{"id":12433,"date":"2024-10-22T10:37:00","date_gmt":"2024-10-22T02:37:00","guid":{"rendered":"https:\/\/app11147.cloudwayssites.com\/?p=12433"},"modified":"2024-11-21T11:49:19","modified_gmt":"2024-11-21T03:49:19","slug":"13-8ph","status":"publish","type":"post","link":"https:\/\/steelprogroup.com\/vi\/stainless-steel\/grades\/13-8ph\/","title":{"rendered":"V\u1ec1 th\u00e9p kh\u00f4ng g\u1ec9 13-8 PH: T\u00ednh ch\u1ea5t, \u1ee9ng d\u1ee5ng, \u01b0u v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Th\u00e9p kh\u00f4ng g\u1ec9 13-8 PH l\u00fd t\u01b0\u1edfng cho c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi kh\u1eaft khe trong ng\u00e0nh h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5, \u00f4 t\u00f4 v\u00e0 c\u00f4ng nghi\u1ec7p nh\u1edd c\u00e1c \u0111\u1eb7c t\u00ednh c\u00e2n b\u1eb1ng c\u1ee7a n\u00f3.<\/p><p class=\"wp-block-paragraph\">B\u00e0i vi\u1ebft n\u00e0y kh\u00e1m ph\u00e1 nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 13-8 PH v\u00e0 \u0111\u1ec1 c\u1eadp \u0111\u1ebfn c\u00e1c \u1ee9ng d\u1ee5ng c\u1ee7a n\u00f3 trong nhi\u1ec1u l\u0129nh v\u1ef1c kh\u00e1c nhau.&nbsp;<\/p><h2 class=\"wp-block-heading\">Th\u00e9p kh\u00f4ng g\u1ec9 13-8 PH l\u00e0 g\u00ec?<\/h2><p class=\"wp-block-paragraph\">Th\u00e9p kh\u00f4ng g\u1ec9 13-8 PH bao g\u1ed3m kho\u1ea3ng 13% crom v\u00e0 8% niken, ph\u1ea7n c\u00f2n l\u1ea1i l\u00e0 s\u1eaft v\u00e0 m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf c\u00e1c nguy\u00ean t\u1ed1 kh\u00e1c nh\u01b0 molypden v\u00e0 nh\u00f4m. \u0110\u00e2y l\u00e0 lo\u1ea1i th\u00e9p k\u1ebft t\u1ee7a-l\u00e0m c\u1ee9ng martensitic ti\u00ean ti\u1ebfn. N\u00f3 \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi s\u1ef1 k\u1ebft h\u1ee3p c\u00e2n b\u1eb1ng gi\u1eefa \u0111\u1ed9 b\u1ec1n tuy\u1ec7t v\u1eddi v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nhi\u1ec1u nh\u1ea5t trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p nh\u01b0 h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5, qu\u1ed1c ph\u00f2ng v\u00e0 ch\u1ebf bi\u1ebfn h\u00f3a ch\u1ea5t.<\/p><h2 class=\"wp-block-heading\">T\u01b0\u01a1ng \u0111\u01b0\u01a1ng th\u00e9p kh\u00f4ng g\u1ec9 13-8 PH<\/h2><ul class=\"wp-block-list\"><li>UNS S13800<\/li>\n\n<li>EN 1.4534<\/li>\n\n<li>DIN X4CrNiMo13-8<\/li><\/ul><h2 class=\"wp-block-heading\">Ti\u00eau chu\u1ea9n th\u00e9p kh\u00f4ng g\u1ec9 13-8 PH<\/h2><ul class=\"wp-block-list\"><li>AMS 5629<\/li>\n\n<li>Ti\u00eau chu\u1ea9n ASTMA313<\/li>\n\n<li>Ti\u00eau chu\u1ea9n ASTMA564<\/li><\/ul><h2 class=\"wp-block-heading\">Th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 13-8 PH<\/h2><figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Y\u1ebfu t\u1ed1<\/strong><\/td><td><strong>C<\/strong><\/td><td><strong>Mn<\/strong><\/td><td><strong>Si<\/strong><\/td><td><strong>P<\/strong><\/td><td><strong>S<\/strong><\/td><td><strong>Cr<\/strong><\/td><td><strong>Ni<\/strong><\/td><td><strong>T\u00f4i<\/strong><\/td><td><strong>Al<\/strong><\/td><td><strong>Fe<\/strong><\/td><\/tr><tr><td><strong>wt%<\/strong><\/td><td>0,05 t\u1ed1i \u0111a<\/td><td>0,10 t\u1ed1i \u0111a<\/td><td>0,10 t\u1ed1i \u0111a<\/td><td>0,010 t\u1ed1i \u0111a<\/td><td>0,008 t\u1ed1i \u0111a<\/td><td>12.25-13.25<\/td><td>7.5-8.5<\/td><td>2.00-2.50<\/td><td>0.90-1.35<\/td><td>S\u1ef1 c\u00e2n b\u1eb1ng<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">T\u00ednh ch\u1ea5t th\u00e9p kh\u00f4ng g\u1ec9 13-8 PH<\/h2><h3 class=\"wp-block-heading\">T\u00ednh ch\u1ea5t v\u1eadt l\u00fd c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 13-8 PH<\/h3><figure class=\"wp-block-table\"><table><tbody><tr><td><strong>T\u00e0i s\u1ea3n<\/strong><\/td><td><strong>Gi\u00e1 tr\u1ecb s\u1ed1 li\u1ec7u<\/strong><\/td><td><strong>Gi\u00e1 tr\u1ecb \u0110\u1ebf qu\u1ed1c<\/strong><\/td><\/tr><tr><td>T\u1ec9 tr\u1ecdng<\/td><td>7,75-7,85 g\/cm\u00b3<\/td><td>0,280-0,2836 lbs\/in\u00b3<\/td><\/tr><tr><td>\u0110i\u1ec3m n\u00f3ng ch\u1ea3y<\/td><td>1404 \u2013 1471 \u00b0C<\/td><td>2560 \u2013 2680 \u00b0F<\/td><\/tr><tr><td>\u0110\u1ed9 d\u1eabn nhi\u1ec7t<\/td><td>14 W\/m\u00b7K<\/td><td>97,2 BTU\u00b7in\/gi\u1edd\u00b7ft\u00b2\u00b7\u00b0F<\/td><\/tr><tr><td>S\u1ef1 gi\u00e3n n\u1edf v\u00ec nhi\u1ec7t<\/td><td>10,6 \u03bcm\/m\u00b7\u00b0C<\/td><td>5,89 \u03bcin\/in\u00b7\u00b0F<\/td><\/tr><tr><td>\u0110\u1ed9 d\u1eabn \u0111i\u1ec7n<\/td><td>0,0001 ohm-cm \u1edf 25\u00b0C<\/td><td>&#8211;<\/td><\/tr><\/tbody><\/table><\/figure><h3 class=\"wp-block-heading\">Th\u00e9p kh\u00f4ng g\u1ec9 13-8 c\u00f3 t\u1eeb t\u00ednh kh\u00f4ng?<\/h3><p class=\"wp-block-paragraph\">N\u00f3 c\u00f3 t\u00ednh t\u1eeb nh\u1eb9 \u1edf tr\u1ea1ng th\u00e1i martensitic. C\u00e1c \u0111\u1eb7c t\u00ednh t\u1eeb c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 13-8 c\u00f3 th\u1ec3 thay \u0111\u1ed5i t\u00f9y thu\u1ed9c v\u00e0o qu\u00e1 tr\u00ecnh x\u1eed l\u00fd nhi\u1ec7t v\u00e0 gia c\u00f4ng c\u01a1 h\u1ecdc m\u00e0 n\u00f3 tr\u1ea3i qua.<\/p><h3 class=\"wp-block-heading\">T\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 13-8 PH<\/h3><figure class=\"wp-block-table\"><table><tbody><tr><td><strong>T\u00e0i s\u1ea3n<\/strong><\/td><td><strong>Gi\u00e1 tr\u1ecb \u0111i\u1ec3n h\u00ecnh<\/strong><\/td><\/tr><tr><td>\u0110\u1ed9 b\u1ec1n k\u00e9o<\/td><td>1480 MPa (215.000 psi)<\/td><\/tr><tr><td>S\u1ee9c ch\u1ecbu l\u1ef1c<\/td><td>1415 MPa (205.000 psi)<\/td><\/tr><tr><td>\u0110\u1ed9 c\u1ee9ng Brinell<\/td><td>363 HB<\/td><\/tr><tr><td>\u0110\u1ed9 c\u1ee9ng Rockwell<\/td><td>45HRC<\/td><\/tr><tr><td>\u0110\u1ed9 c\u1ee9ng Vickers<\/td><td>450 HV<\/td><\/tr><tr><td>\u0110\u1ed9 gi\u00e3n d\u00e0i<\/td><td>10-12%<\/td><\/tr><tr><td>M\u00f4 \u0111un \u0111\u00e0n h\u1ed3i<\/td><td>195-200 GPa (28.300-29.000 ksi)<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">\u01afu \u0111i\u1ec3m c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 13-8 PH<\/h2><p class=\"wp-block-paragraph\">D\u01b0\u1edbi \u0111\u00e2y, ch\u00fang t\u00f4i s\u1ebd kh\u00e1m ph\u00e1 chi ti\u1ebft c\u00e1c t\u00ednh ch\u1ea5t n\u00e0y, \u0111\u1ed3ng th\u1eddi n\u00eau b\u1eadt l\u00fd do t\u1ea1i sao \u0111\u1ed9 PH 13-8 \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p \u0111\u00f2i h\u1ecfi c\u1ea3 \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 c\u1ee9ng.<\/p><h3 class=\"wp-block-heading\">\u0110\u1ed9 b\u1ec1n cao<\/h3><p class=\"wp-block-paragraph\">13-8 PH c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c x\u1eed l\u00fd nhi\u1ec7t \u0111\u1ec3 tr\u1edf n\u00ean c\u1ef1c k\u1ef3 b\u1ec1n. N\u00f3 ho\u00e0n h\u1ea3o cho c\u00e1c b\u1ed9 ph\u1eadn c\u1ea7n x\u1eed l\u00fd t\u1ea3i tr\u1ecdng n\u1eb7ng, nh\u01b0 m\u00e1y bay v\u00e0 m\u00e1y m\u00f3c c\u00f4ng nghi\u1ec7p.<\/p><h3 class=\"wp-block-heading\">Kh\u1ea3 n\u0103ng x\u1eed l\u00fd nhi\u1ec7t<\/h3><p class=\"wp-block-paragraph\">\u0110\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 c\u1ee9ng c\u1ee7a n\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh th\u00f4ng qua x\u1eed l\u00fd nhi\u1ec7t. N\u00f3 r\u1ea5t linh ho\u1ea1t cho c\u00e1c m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng kh\u00e1c nhau, t\u1eeb c\u00e1c b\u1ed9 ph\u1eadn ch\u00ednh x\u00e1c nh\u1ecf \u0111\u1ebfn c\u00e1c c\u1ea5u tr\u00fac l\u1edbn, ch\u1eafc ch\u1eafn.<\/p><h3 class=\"wp-block-heading\">\u0110\u1ed9 b\u1ec1n tuy\u1ec7t v\u1eddi<\/h3><p class=\"wp-block-paragraph\">Th\u00e9p kh\u00f4ng g\u1ec9 13-8 PH c\u00f3 th\u1ec3 duy tr\u00ec \u0111\u1ed9 d\u1ebbo dai t\u1ed1t \u1edf tr\u1ea1ng th\u00e1i c\u1ee9ng. N\u00f3 ch\u1ed1ng n\u1ee9t v\u00e0 v\u1ee1 d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng ho\u1eb7c \u00e1p su\u1ea5t l\u1edbn. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c \u1ee9ng d\u1ee5ng nh\u01b0 b\u00ecnh ch\u1ecbu \u00e1p su\u1ea5t v\u00e0 b\u00e1nh \u0111\u00e1p tr\u00ean m\u00e1y bay.<\/p><h3 class=\"wp-block-heading\">Kh\u1ea3 n\u0103ng ch\u1ed1ng m\u1ecfi<\/h3><p class=\"wp-block-paragraph\">Th\u00e9p kh\u00f4ng g\u1ec9 13-8 PH th\u1ec3 hi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng m\u1ecfi tuy\u1ec7t v\u1eddi. N\u00f3 c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec1u chu k\u1ef3 \u1ee9ng su\u1ea5t m\u00e0 kh\u00f4ng h\u00ecnh th\u00e0nh v\u1ebft n\u1ee9t. V\u00ec c\u1ea5u tr\u00fac martensitic k\u1ebft h\u1ee3p v\u1edbi qu\u00e1 tr\u00ecnh l\u00e0m c\u1ee9ng k\u1ebft t\u1ee7a, l\u00e0m t\u0103ng c\u01b0\u1eddng v\u1eadt li\u1ec7u \u1edf c\u1ea5p \u0111\u1ed9 vi m\u00f4.&nbsp;<\/p><p class=\"wp-block-paragraph\">Th\u00e0nh ph\u1ea7n c\u1ee7a h\u1ee3p kim c\u0169ng gi\u00fap ph\u00e2n b\u1ed5 \u1ee9ng su\u1ea5t \u0111\u1ec1u, gi\u1ea3m nguy c\u01a1 h\u00ecnh th\u00e0nh v\u1ebft n\u1ee9t do rung \u0111\u1ed9ng li\u00ean t\u1ee5c ho\u1eb7c thay \u0111\u1ed5i t\u1ea3i. T\u00ednh ch\u1ea5t n\u00e0y r\u1ea5t quan tr\u1ecdng trong c\u00e1c \u1ee9ng d\u1ee5ng nh\u01b0 linh ki\u1ec7n m\u00e1y bay v\u00e0 c\u00e1nh tua bin.<\/p><h3 class=\"wp-block-heading\">Ch\u1ed1ng \u0103n m\u00f2n<\/h3><p class=\"wp-block-paragraph\">Th\u00e9p kh\u00f4ng g\u1ec9 13-8 PH ch\u1ee9a crom, niken v\u00e0 molypden, gi\u00fap b\u1ea3o v\u1ec7 th\u00e9p kh\u1ecfi r\u1ec9 s\u00e9t v\u00e0 \u0103n m\u00f2n. Th\u00e9p ho\u1ea1t \u0111\u1ed9ng t\u1ed1t trong m\u00f4i tr\u01b0\u1eddng c\u00f3 \u0111\u1ed9 \u1ea9m, h\u00f3a ch\u1ea5t ho\u1eb7c mu\u1ed1i, nh\u01b0 thi\u1ebft b\u1ecb x\u1eed l\u00fd h\u00f3a ch\u1ea5t ho\u1eb7c h\u00e0ng h\u1ea3i.<\/p><h3 class=\"wp-block-heading\">\u0110\u1ed9 \u1ed5n \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc<\/h3><p class=\"wp-block-paragraph\">Th\u00e9p kh\u00f4ng g\u1ec9 13-8 c\u00f3 \u0111\u1ed9 gi\u00e3n n\u1edf nhi\u1ec7t th\u1ea5p. N\u00f3 gi\u00e3n n\u1edf ho\u1eb7c co l\u1ea1i r\u1ea5t \u00edt khi ti\u1ebfp x\u00fac v\u1edbi s\u1ef1 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9. \u0110i\u1ec1u n\u00e0y quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c b\u1ed9 ph\u1eadn ch\u00ednh x\u00e1c nh\u01b0 b\u00e1nh r\u0103ng ho\u1eb7c tr\u1ee5c c\u1ea7n gi\u1eef nguy\u00ean k\u00edch th\u01b0\u1edbc ngay c\u1ea3 khi \u0111\u01b0\u1ee3c gia nhi\u1ec7t.<\/p><h3 class=\"wp-block-heading\">T\u00ednh ch\u1ea5t t\u1eeb t\u00ednh v\u1eeba ph\u1ea3i<\/h3><p class=\"wp-block-paragraph\">Sau khi l\u00e0m c\u1ee9ng, 13-8 PH tr\u1edf n\u00ean h\u01a1i t\u1eeb t\u00ednh. N\u00f3 h\u1eefu \u00edch trong c\u00e1c \u1ee9ng d\u1ee5ng c\u1ea7n c\u1ea3 s\u1ee9c m\u1ea1nh v\u00e0 m\u1ed9t s\u1ed1 m\u1ee9c \u0111\u1ed9 ph\u1ea3n \u1ee9ng t\u1eeb t\u00ednh, ch\u1eb3ng h\u1ea1n nh\u01b0 trong m\u1ed9t s\u1ed1 h\u1ec7 th\u1ed1ng c\u01a1 h\u1ecdc.<\/p><h2 class=\"wp-block-heading\">Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 13-8 PH<\/h2><p class=\"wp-block-paragraph\">M\u1eb7c d\u00f9 th\u00e9p kh\u00f4ng g\u1ec9 13-8 PH c\u00f3 nhi\u1ec1u \u0111\u1eb7c t\u00ednh tuy\u1ec7t v\u1eddi, nh\u01b0ng n\u00f3 kh\u00f4ng ph\u00f9 h\u1ee3p v\u1edbi m\u1ecdi \u1ee9ng d\u1ee5ng. Sau \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 h\u1ea1n ch\u1ebf c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 13-8 PH.<\/p><h3 class=\"wp-block-heading\">Kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n h\u1ea1n ch\u1ebf<\/h3><p class=\"wp-block-paragraph\">Th\u00e9p kh\u00f4ng g\u1ec9 13-8 PH ho\u1ea1t \u0111\u1ed9ng t\u1ed1t trong nhi\u1ec1u m\u00f4i tr\u01b0\u1eddng. Tuy nhi\u00ean, n\u00f3 kh\u00f4ng l\u00fd t\u01b0\u1edfng cho c\u00e1c \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t, ch\u1eb3ng h\u1ea1n nh\u01b0 ti\u1ebfp x\u00fac l\u00e2u d\u00e0i v\u1edbi axit m\u1ea1nh ho\u1eb7c m\u00f4i tr\u01b0\u1eddng gi\u00e0u clorua nh\u01b0 n\u01b0\u1edbc bi\u1ec3n.<\/p><h3 class=\"wp-block-heading\">\u0110\u1ed9 gi\u00f2n \u1edf m\u1ee9c \u0111\u1ed9 c\u1ee9ng cao h\u01a1n<\/h3><p class=\"wp-block-paragraph\">Khi 13-8 PH \u0111\u01b0\u1ee3c x\u1eed l\u00fd nhi\u1ec7t \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 c\u1ee9ng t\u1ed1i \u0111a, n\u00f3 c\u00f3 th\u1ec3 tr\u1edf n\u00ean h\u01a1i gi\u00f2n. \u0110i\u1ec1u n\u00e0y x\u1ea3y ra v\u00ec c\u1ea5u tr\u00fac martensitic tr\u1edf n\u00ean c\u1ee9ng h\u01a1n, l\u00e0m gi\u1ea3m kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 va \u0111\u1eadp.<\/p><h3 class=\"wp-block-heading\">Quy tr\u00ecnh x\u1eed l\u00fd nhi\u1ec7t ph\u1ee9c t\u1ea1p<\/h3><p class=\"wp-block-paragraph\">\u0110\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 c\u1ee9ng c\u1ee7a 13-8 PH ph\u1ee5 thu\u1ed9c v\u00e0o qu\u00e1 tr\u00ecnh x\u1eed l\u00fd nhi\u1ec7t ch\u00ednh x\u00e1c. N\u1ebfu kh\u00f4ng ki\u1ec3m so\u00e1t c\u1ea9n th\u1eadn, n\u00f3 c\u00f3 th\u1ec3 kh\u00f4ng \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 b\u1ec1n ho\u1eb7c \u0111\u1ed9 d\u1ebbo dai \u0111\u1ea7y \u0111\u1ee7.&nbsp;<\/p><h3 class=\"wp-block-heading\">Chi ph\u00ed cao<\/h3><p class=\"wp-block-paragraph\">C\u00e1c th\u00e0nh ph\u1ea7n h\u1ee3p kim trong th\u00e9p kh\u00f4ng g\u1ec9 13-8 PH, ch\u1eb3ng h\u1ea1n nh\u01b0 niken, crom v\u00e0 molypden, l\u00e0m cho vi\u1ec7c s\u1ea3n xu\u1ea5t \u0111\u1eaft h\u01a1n. Ngo\u00e0i ra, quy tr\u00ecnh x\u1eed l\u00fd nhi\u1ec7t ti\u00ean ti\u1ebfn l\u00e0m t\u0103ng t\u1ed5ng chi ph\u00ed.<\/p><h2 class=\"wp-block-heading\">\u1ee8ng d\u1ee5ng c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 13-8 PH<\/h2><p class=\"wp-block-paragraph\">Sau \u0111\u00e2y l\u00e0 t\u1ed5ng quan v\u1ec1 c\u00e1c \u1ee9ng d\u1ee5ng ch\u00ednh c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 13-8 PH:<\/p><ul class=\"wp-block-list\"><li><strong>H\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5<\/strong><\/li><\/ul><p class=\"wp-block-paragraph\">B\u1ed9 ph\u1eadn h\u1ea1 c\u00e1nh, c\u00e1c th\u00e0nh ph\u1ea7n c\u1ea5u tr\u00fac, b\u1ed9 truy\u1ec1n \u0111\u1ed9ng.<\/p><ul class=\"wp-block-list\"><li><strong>D\u1ea7u kh\u00ed<\/strong><\/li><\/ul><p class=\"wp-block-paragraph\">Van, thi\u1ebft b\u1ecb khoan v\u00e0 d\u1ee5ng c\u1ee5 khoan gi\u1ebfng.<\/p><ul class=\"wp-block-list\"><li><strong>H\u00e0ng h\u1ea3i<\/strong><\/li><\/ul><p class=\"wp-block-paragraph\">C\u00e1c th\u00e0nh ph\u1ea7n c\u1ee7a t\u00e0u ng\u1ea7m v\u00e0 h\u1ec7 th\u1ed1ng \u0111\u1ea9y.<\/p><ul class=\"wp-block-list\"><li><strong>X\u1eed l\u00fd h\u00f3a h\u1ecdc<\/strong><\/li><\/ul><p class=\"wp-block-paragraph\">M\u00e1y b\u01a1m, van, l\u00f2 ph\u1ea3n \u1ee9ng \u00e1p su\u1ea5t cao.<\/p><ul class=\"wp-block-list\"><li><strong>Thi\u1ebft b\u1ecb y t\u1ebf<\/strong><\/li><\/ul><p class=\"wp-block-paragraph\">D\u1ee5ng c\u1ee5 ph\u1eabu thu\u1eadt, c\u1ea5y gh\u00e9p.<\/p><ul class=\"wp-block-list\"><li><strong>S\u1ea3n xu\u1ea5t \u0111i\u1ec7n<\/strong><\/li><\/ul><p class=\"wp-block-paragraph\">Linh ki\u1ec7n tuabin, thi\u1ebft b\u1ecb th\u1ee7y \u0111i\u1ec7n.<\/p><ul class=\"wp-block-list\"><li><strong>\u00d4 t\u00f4<\/strong><\/li><\/ul><p class=\"wp-block-paragraph\">C\u00e1c b\u1ed9 ph\u1eadn, b\u00e1nh r\u0103ng, tr\u1ee5c truy\u1ec1n \u0111\u1ed9ng hi\u1ec7u su\u1ea5t cao.<\/p><h2 class=\"wp-block-heading\">X\u1eed l\u00fd nhi\u1ec7t th\u00e9p kh\u00f4ng g\u1ec9 13-8 PH<\/h2><p class=\"wp-block-paragraph\">X\u1eed l\u00fd nhi\u1ec7t th\u00e9p kh\u00f4ng g\u1ec9 13-8 PH l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh r\u1ea5t linh ho\u1ea1t v\u00e0 quan tr\u1ecdng. Ch\u00fang c\u00f3 th\u1ec3 n\u00e2ng cao h\u01a1n n\u1eefa hi\u1ec7u su\u1ea5t c\u1ee7a v\u1eadt li\u1ec7u t\u00f9y thu\u1ed9c v\u00e0o c\u00e1c y\u00eau c\u1ea7u kh\u00e1c nhau. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c quy tr\u00ecnh x\u1eed l\u00fd nhi\u1ec7t b\u1ed5 sung c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng:<\/p><h3 class=\"wp-block-heading\">Dung d\u1ecbch \u1ee7<\/h3><ul class=\"wp-block-list\"><li>\u0110un n\u00f3ng \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 927\u00b0C \u0111\u1ebfn 940\u00b0C (1700\u00b0F \u0111\u1ebfn 1725\u00b0F) v\u00e0 gi\u1eef trong kho\u1ea3ng 1 gi\u1edd cho m\u1ed7i inch \u0111\u1ed9 d\u00e0y.<\/li>\n\n<li>V\u1eadt li\u1ec7u \u1edf tr\u1ea1ng th\u00e1i m\u1ec1m h\u01a1n (T\u00ecnh tr\u1ea1ng A), c\u00f3 c\u1ea5u tr\u00fac martensitic s\u1eb5n s\u00e0ng \u0111\u1ec3 c\u1ee9ng h\u01a1n n\u1eefa.<\/li><\/ul><h3 class=\"wp-block-heading\">X\u1eed l\u00fd \u0111\u00f4ng l\u1ea1nh (T\u00f9y ch\u1ecdn)<\/h3><ul class=\"wp-block-list\"><li>L\u00e0m ngu\u1ed9i v\u1eadt li\u1ec7u xu\u1ed1ng \u0111\u1ebfn -73\u00b0C (-100\u00b0F) ho\u1eb7c th\u1ea5p h\u01a1n sau khi \u1ee7 dung d\u1ecbch, sau \u0111\u00f3 ti\u1ebfn h\u00e0nh \u1ee7.<\/li>\n\n<li>T\u0103ng c\u01b0\u1eddng \u0111\u1ed9 c\u1ee9ng, \u0111\u1ed9 d\u1ebbo dai v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh v\u1ec1 k\u00edch th\u01b0\u1edbc, \u0111\u1eb7c bi\u1ec7t h\u1eefu \u00edch cho c\u00e1c \u1ee9ng d\u1ee5ng nhi\u1ec7t \u0111\u1ed9 th\u1ea5p ho\u1eb7c l\u1ea1nh s\u00e2u.<\/li><\/ul><h3 class=\"wp-block-heading\">L\u00e3o h\u00f3a (S\u1ef1 c\u1ee9ng l\u1ea1i do m\u01b0a)<\/h3><p class=\"wp-block-paragraph\">Sau khi \u1ee7 dung d\u1ecbch, qu\u00e1 tr\u00ecnh l\u00e0m c\u1ee9ng k\u1ebft t\u1ee7a l\u00e0m t\u0103ng \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 c\u1ee9ng c\u1ee7a v\u1eadt li\u1ec7u. Nhi\u1ec7t \u0111\u1ed9 l\u00e3o h\u00f3a kh\u00e1c nhau mang l\u1ea1i s\u1ef1 c\u00e2n b\u1eb1ng kh\u00e1c nhau v\u1ec1 \u0111\u1ed9 b\u1ec1n, \u0111\u1ed9 c\u1ee9ng v\u00e0 \u0111\u1ed9 d\u1ebbo dai.<\/p><p class=\"wp-block-paragraph\">Sau \u0111\u00e2y l\u00e0 b\u1ea3ng c\u00e1c t\u00ecnh tr\u1ea1ng l\u00e3o h\u00f3a ph\u1ed5 bi\u1ebfn.<\/p><figure class=\"wp-block-table\"><table><tbody><tr><td><strong>T\u00ecnh tr\u1ea1ng<\/strong><\/td><td><strong>Nhi\u1ec7t \u0111\u1ed9 l\u00e3o h\u00f3a<\/strong><\/td><td><strong>Th\u1eddi gian gi\u1eef<\/strong><\/td><td><strong>Thu\u1ed9c t\u00ednh k\u1ebft qu\u1ea3<\/strong><\/td><\/tr><tr><td>H950<\/td><td>510\u00b0C (950\u00b0F)<\/td><td>4 gi\u1edd<\/td><td>\u0110\u1ed9 b\u1ec1n t\u1ed1i \u0111a, \u0111\u1ed9 c\u1ee9ng cao<\/td><\/tr><tr><td>H1000<\/td><td>538\u00b0C (1000\u00b0F)<\/td><td>4 gi\u1edd<\/td><td>\u0110\u1ed9 b\u1ec1n cao, \u0111\u1ed9 d\u1ebbo dai \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n<\/td><\/tr><tr><td>H1050<\/td><td>565\u00b0C (1050\u00b0F)<\/td><td>4 gi\u1edd<\/td><td>S\u1ee9c m\u1ea1nh v\u00e0 \u0111\u1ed9 b\u1ec1n c\u00e2n b\u1eb1ng<\/td><\/tr><tr><td>H1100<\/td><td>593\u00b0C (1100\u00b0F)<\/td><td>4 gi\u1edd<\/td><td>S\u1ee9c m\u1ea1nh th\u1ea5p h\u01a1n, \u0111\u1ed9 d\u1ebbo dai cao h\u01a1n<\/td><\/tr><tr><td>H1150<\/td><td>621\u00b0C (1150\u00b0F)<\/td><td>4 gi\u1edd<\/td><td>\u0110\u1ed9 b\u1ec1n th\u1ea5p nh\u1ea5t, \u0111\u1ed9 d\u1ebbo dai t\u1ed1i \u0111a<\/td><\/tr><tr><td>H1150M<\/td><td>L\u00e3o h\u00f3a k\u00e9p<\/td><td>Thay \u0111\u1ed5i<\/td><td>\u0110\u1ed9 d\u1ebbo dai t\u1ed1i \u0111a, s\u1ee9c m\u1ea1nh gi\u1ea3m<\/td><\/tr><\/tbody><\/table><\/figure><h3 class=\"wp-block-heading\">Qu\u00e1 gi\u00e0<\/h3><ul class=\"wp-block-list\"><li>Qu\u00e1 l\u00e3o h\u00f3a l\u00e0 m\u1ed9t t\u00ecnh tr\u1ea1ng l\u00e3o h\u00f3a c\u1ee5 th\u1ec3. N\u00f3 x\u1ea3y ra khi v\u1eadt li\u1ec7u \u0111\u00e3 b\u1ecb l\u00e3o h\u00f3a v\u01b0\u1ee3t qu\u00e1 \u0111i\u1ec3m c\u01b0\u1eddng \u0111\u1ed9 t\u1ed1i \u0111a<\/li>\n\n<li>Qu\u00e1 tr\u00ecnh l\u00e3o h\u00f3a qu\u00e1 m\u1ee9c \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng c\u00e1ch gi\u1eef v\u1eadt li\u1ec7u \u1edf nhi\u1ec7t \u0111\u1ed9 cao h\u01a1n (nh\u01b0 H1150M) ho\u1eb7c trong th\u1eddi gian d\u00e0i h\u01a1n v\u00e0 \u0111\u00f4i khi li\u00ean quan \u0111\u1ebfn qu\u00e1 tr\u00ecnh l\u00e3o h\u00f3a k\u00e9p (v\u00ed d\u1ee5, \u0111\u1ea7u ti\u00ean l\u00e3o h\u00f3a \u1edf 621\u00b0C (1150\u00b0F), sau \u0111\u00f3 \u1edf 593\u00b0C (1100\u00b0F)).<\/li>\n\n<li>T\u1ed1i \u0111a h\u00f3a \u0111\u1ed9 d\u1ebbo dai v\u00e0 gi\u1ea3m \u0111\u1ed9 c\u1ee9ng.<\/li><\/ul><h3 class=\"wp-block-heading\">X\u1eed l\u00fd nhi\u1ec7t sau khi h\u00e0n<\/h3><ul class=\"wp-block-list\"><li>Sau khi h\u00e0n, v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c \u1ee7 trong dung d\u1ecbch v\u00e0 sau \u0111\u00f3 \u0111\u01b0\u1ee3c \u1ee7.<\/li>\n\n<li>\u0110\u1ea3m b\u1ea3o khu v\u1ef1c h\u00e0n c\u00f3 c\u00f9ng t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc nh\u01b0 ph\u1ea7n c\u00f2n l\u1ea1i c\u1ee7a v\u1eadt li\u1ec7u, ng\u0103n ng\u1eeba hi\u1ec7n t\u01b0\u1ee3ng y\u1ebfu \u1edf v\u00f9ng ch\u1ecbu \u1ea3nh h\u01b0\u1edfng c\u1ee7a nhi\u1ec7t (HAZ).<\/li><\/ul><h2 class=\"wp-block-heading\">C\u00e1c ph\u01b0\u01a1ng ph\u00e1p ch\u1ebf bi\u1ebfn kh\u00e1c c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 13-8 PH<\/h2><p class=\"wp-block-paragraph\">Qu\u00e1 tr\u00ecnh gia c\u00f4ng c\u01a1 h\u1ecdc th\u00e9p kh\u00f4ng g\u1ec9 13-8 PH c\u00f3 th\u1ec3 bao g\u1ed3m nhi\u1ec1u b\u01b0\u1edbc kh\u00e1c nhau. Gia c\u00f4ng n\u00f3ng, gia c\u00f4ng ngu\u1ed9i, r\u00e8n, t\u1ea1o h\u00ecnh v\u00e0 h\u00e0n l\u00e0 t\u00f9y ch\u1ecdn. Gia c\u00f4ng l\u00e0 b\u01b0\u1edbc ph\u1ed5 bi\u1ebfn \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c k\u00edch th\u01b0\u1edbc ch\u00ednh x\u00e1c.&nbsp;<\/p><p class=\"wp-block-paragraph\">Sau m\u1ed7i qu\u00e1 tr\u00ecnh c\u01a1 h\u1ecdc, v\u1eadt li\u1ec7u th\u01b0\u1eddng tr\u1ea3i qua qu\u00e1 tr\u00ecnh x\u1eed l\u00fd nhi\u1ec7t ti\u1ebfp theo \u0111\u1ec3 ph\u1ee5c h\u1ed3i ho\u1eb7c t\u0103ng c\u01b0\u1eddng c\u00e1c \u0111\u1eb7c t\u00ednh c\u01a1 h\u1ecdc c\u1ee7a n\u00f3.<\/p><h3 class=\"wp-block-heading\">L\u00e0m vi\u1ec7c n\u00f3ng<\/h3><ul class=\"wp-block-list\"><li>Bi\u1ebfn d\u1ea1ng v\u1eadt li\u1ec7u \u1edf nhi\u1ec7t \u0111\u1ed9 cao (1038\u00b0C \u0111\u1ebfn 1149\u00b0C ho\u1eb7c 1900\u00b0F \u0111\u1ebfn 2100\u00b0F). Bao g\u1ed3m c\u00e1n n\u00f3ng, r\u00e8n ho\u1eb7c \u0111\u00f9n.<\/li>\n\n<li>\u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ea1o h\u00ecnh c\u00e1c b\u1ed9 ph\u1eadn l\u1edbn ho\u1eb7c ph\u1ee9c t\u1ea1p v\u1edbi nguy c\u01a1 n\u1ee9t t\u1ed1i thi\u1ec3u.<\/li><\/ul><h3 class=\"wp-block-heading\">L\u00e0m vi\u1ec7c l\u1ea1nh<\/h3><ul class=\"wp-block-list\"><li>Bi\u1ebfn d\u1ea1ng th\u00e9p kh\u00f4ng g\u1ec9 13-8 PH \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng th\u00f4ng qua c\u00e1c qu\u00e1 tr\u00ecnh nh\u01b0 c\u00e1n, k\u00e9o ho\u1eb7c \u00e9p.<\/li>\n\n<li>T\u0103ng \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 c\u1ee9ng c\u1ee7a v\u1eadt li\u1ec7u.<\/li><\/ul><h3 class=\"wp-block-heading\">H\u00ecnh th\u00e0nh<\/h3><ul class=\"wp-block-list\"><li>C\u00e1c qu\u00e1 tr\u00ecnh \u0111\u1ecbnh h\u00ecnh nh\u01b0 u\u1ed1n, d\u1eadp ho\u1eb7c k\u00e9o gi\u00e3n \u0111\u1ec3 t\u1ea1o th\u00e0nh c\u00e1c h\u00ecnh d\u1ea1ng c\u1ee5 th\u1ec3 m\u00e0 kh\u00f4ng c\u1ea7n lo\u1ea1i b\u1ecf v\u1eadt li\u1ec7u.<\/li>\n\n<li>Bi\u1ebfn d\u1ea1ng v\u1eadt li\u1ec7u th\u00e0nh h\u00ecnh d\u1ea1ng c\u1ea7n thi\u1ebft cho m\u1ee5c \u0111\u00edch c\u1ea5u tr\u00fac ho\u1eb7c ch\u1ee9c n\u0103ng.<\/li><\/ul><h3 class=\"wp-block-heading\">Gia c\u00f4ng<\/h3><ul class=\"wp-block-list\"><li>C\u1eaft, khoan, ti\u1ec7n ho\u1eb7c phay \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c k\u00edch th\u01b0\u1edbc v\u00e0 h\u00ecnh d\u1ea1ng ch\u00ednh x\u00e1c.<\/li>\n\n<li>\u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ea1o ra c\u00e1c th\u00e0nh ph\u1ea7n ho\u00e0n thi\u1ec7n, ch\u00ednh x\u00e1c sau qu\u00e1 tr\u00ecnh t\u1ea1o h\u00ecnh.<\/li><\/ul><h3 class=\"wp-block-heading\">H\u00e0n<\/h3><ul class=\"wp-block-list\"><li>N\u1ed1i hai m\u1ea3nh v\u1eadt li\u1ec7u b\u1eb1ng nhi\u1ec7t v\u00e0 \u0111\u00f4i khi l\u00e0 kim lo\u1ea1i ph\u1ee5. Sau khi h\u00e0n, v\u1eadt li\u1ec7u c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c x\u1eed l\u00fd nhi\u1ec7t \u0111\u1ec3 l\u1ea5y l\u1ea1i to\u00e0n b\u1ed9 \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 d\u1ebbo dai.<\/li>\n\n<li>\u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u1eafp r\u00e1p c\u00e1c c\u1ea5u tr\u00fac ph\u1ee9c t\u1ea1p.<\/li><\/ul><h2 class=\"wp-block-heading\">H\u01a1n n\u1eefa Kho\u1ea3ng 13-8 PH Th\u00e9p kh\u00f4ng g\u1ec9<\/h2><h3 class=\"wp-block-heading\">Th\u00e9p kh\u00f4ng g\u1ec9 13-8 c\u00f3 b\u1ecb g\u1ec9 kh\u00f4ng?<\/h3><p class=\"wp-block-paragraph\">Th\u00e9p kh\u00f4ng g\u1ec9 13-8 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng g\u1ec9 v\u00e0 \u0103n m\u00f2n.&nbsp;<\/p><p class=\"wp-block-paragraph\">Trong m\u1ed9t s\u1ed1 \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t, ch\u1eb3ng h\u1ea1n nh\u01b0 ti\u1ebfp x\u00fac l\u00e2u v\u1edbi n\u01b0\u1edbc bi\u1ec3n ho\u1eb7c h\u00f3a ch\u1ea5t m\u1ea1nh, n\u00f3 v\u1eabn c\u00f3 th\u1ec3 b\u1ecb \u0103n m\u00f2n.<\/p><h3 class=\"wp-block-heading\">S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa 13-8 PH v\u00e0 17-4 PH l\u00e0 g\u00ec?<\/h3><p class=\"wp-block-paragraph\">13-8 PH c\u00f3 h\u00e0m l\u01b0\u1ee3ng niken cao h\u01a1n v\u00e0 bao g\u1ed3m nh\u00f4m. N\u00f3 \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi \u0111\u1ed9 b\u1ec1n cao h\u01a1n v\u00e0 ho\u1ea1t \u0111\u1ed9ng t\u1ed1t h\u01a1n trong vi\u1ec7c ch\u1ed1ng n\u1ee9t do \u0103n m\u00f2n \u1ee9ng su\u1ea5t.<\/p><p class=\"wp-block-paragraph\"><a href=\"https:\/\/steelprogroup.com\/vi\/stainless-steel\/grades\/grade-630\/\">17-4 PH<\/a> ch\u1ee9a nhi\u1ec1u crom h\u01a1n. N\u00f3 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n t\u1ed1t h\u01a1n, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong m\u00f4i tr\u01b0\u1eddng bi\u1ec3n.<\/p><h3 class=\"wp-block-heading\">Th\u00e9p kh\u00f4ng g\u1ec9 PH 13-8 Mo l\u00e0 g\u00ec?<\/h3><p class=\"wp-block-paragraph\">Th\u00e9p kh\u00f4ng g\u1ec9 PH 13-8 Mo l\u00e0 h\u1ee3p kim t\u00f4i k\u1ebft t\u1ee7a v\u1edbi crom, niken v\u00e0 molypden. H\u1ee3p kim n\u00e0y c\u00f3 \u0111\u1ed9 b\u1ec1n, kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u00e0 \u0111\u1ed9 d\u1ebbo dai \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ng\u00e0nh h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 v\u00e0 d\u1ea7u kh\u00ed.<\/p><h3 class=\"wp-block-heading\">13-8 PH VS PH 13-8 Mo Th\u00e9p kh\u00f4ng g\u1ec9<\/h3><p class=\"wp-block-paragraph\">PH 13-8 Mo ch\u1ee9a molypden. N\u00f3 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n t\u1ed1t h\u01a1n. PH 13-8 Mo th\u01b0\u1eddng c\u00f3 \u0111\u1ed9 b\u1ec1n cao h\u01a1n sau khi x\u1eed l\u00fd nhi\u1ec7t.<\/p><p class=\"wp-block-paragraph\">M\u1eb7c d\u00f9 c\u1ea3 hai \u0111\u1ec1u b\u1ec1n nh\u01b0ng PH 13-8 Mo \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng h\u01a1n cho c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u01b0\u1ee3t tr\u1ed9i.<\/p><h2 class=\"wp-block-heading\">B\u1ea3n t\u00f3m t\u1eaft<\/h2><p class=\"wp-block-paragraph\">13-8 PH c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u1ecfi, kh\u1ea3 n\u0103ng h\u00e0n v\u00e0 t\u00ednh linh ho\u1ea1t tuy\u1ec7t v\u1eddi th\u00f4ng qua c\u00e1c quy tr\u00ecnh x\u1eed l\u00fd nhi\u1ec7t. \u0110\u00e2y l\u00e0 v\u1eadt li\u1ec7u \u0111a n\u0103ng cho c\u00e1c m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t.<\/p><p class=\"wp-block-paragraph\">T\u1ea1i Steel Pro Group, ch\u00fang t\u00f4i cam k\u1ebft cung c\u1ea5p v\u1eadt li\u1ec7u ch\u1ea5t l\u01b0\u1ee3ng h\u00e0ng \u0111\u1ea7u cho nhu c\u1ea7u c\u00f4ng nghi\u1ec7p hi\u1ec7u su\u1ea5t cao. N\u1ebfu b\u1ea1n \u0111ang t\u00ecm ki\u1ebfm gi\u1ea3i ph\u00e1p \u0111\u00e1ng tin c\u1eady cho c\u00e1c d\u1ef1 \u00e1n c\u1ee7a m\u00ecnh, vui l\u00f2ng <a href=\"https:\/\/steelprogroup.com\/vi\">gh\u00e9 th\u0103m trang web c\u1ee7a ch\u00fang t\u00f4i<\/a> ho\u1eb7c <a href=\"https:\/\/steelprogroup.com\/vi\/contact-us\/\">li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i<\/a> \u0111\u1ec3 \u0111\u01b0\u1ee3c t\u01b0 v\u1ea5n v\u00e0 b\u00e1o gi\u00e1 c\u00e1 nh\u00e2n. Ch\u00fang t\u00f4i \u1edf \u0111\u00e2y \u0111\u1ec3 gi\u00fap b\u1ea1n l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u t\u1ed1t nh\u1ea5t cho c\u00e1c y\u00eau c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a b\u1ea1n!<\/p>","protected":false},"excerpt":{"rendered":"<p>Th\u00e9p kh\u00f4ng g\u1ec9 13-8 PH l\u00fd t\u01b0\u1edfng cho c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi kh\u1eaft khe trong ng\u00e0nh h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5, \u00f4 t\u00f4 v\u00e0 c\u00f4ng nghi\u1ec7p nh\u1edd c\u00e1c \u0111\u1eb7c t\u00ednh c\u00e2n b\u1eb1ng c\u1ee7a n\u00f3. [\u2026]<\/p>","protected":false},"author":1,"featured_media":12431,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_eb_attr":"","rank_math_lock_modified_date":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[4191,112],"tags":[],"class_list":["post-12433","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-grades","category-stainless-steel"],"acf":[],"_links":{"self":[{"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/posts\/12433","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/comments?post=12433"}],"version-history":[{"count":0,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/posts\/12433\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/media\/12431"}],"wp:attachment":[{"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/media?parent=12433"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/categories?post=12433"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/tags?post=12433"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}