{"id":19787,"date":"2024-12-09T03:46:00","date_gmt":"2024-12-08T19:46:00","guid":{"rendered":"https:\/\/steelprogroup.com\/?p=19787"},"modified":"2024-12-09T14:05:47","modified_gmt":"2024-12-09T06:05:47","slug":"ah40-dh40-eh40-fh40","status":"publish","type":"post","link":"https:\/\/steelprogroup.com\/vi\/shipbuilding-steel\/ah40-dh40-eh40-fh40\/","title":{"rendered":"S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa th\u00e9p \u0111\u00f3ng t\u00e0u ABS c\u1ea5p AH40, DH40, EH40, FH40"},"content":{"rendered":"<p>AH40, DH40, EH40 v\u00e0 FH40 l\u00e0 th\u00e9p h\u1ee3p kim th\u1ea5p (HSLA) c\u01b0\u1eddng \u0111\u1ed9 cao, m\u1ed7i lo\u1ea1i ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c m\u00f4i tr\u01b0\u1eddng bi\u1ec3n kh\u00e1c nhau. V\u1ec1 b\u1ea3n ch\u1ea5t, s\u1ef1 kh\u00e1c bi\u1ec7t ch\u00ednh n\u1eb1m \u1edf \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp, c\u1ea3i thi\u1ec7n t\u1eeb AH40 \u0111\u1ebfn FH40.<\/p><p><strong>AH40<\/strong> ph\u00f9 h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng h\u00e0ng h\u1ea3i n\u00f3i chung, c\u00f3 \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng h\u00e0n t\u1ed1t. <strong>DH40<\/strong> b\u1ec1n h\u01a1n v\u00e0 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho c\u00e1c t\u00e0u thuy\u1ec1n ho\u1ea1t \u0111\u1ed9ng trong \u0111i\u1ec1u ki\u1ec7n b\u0103ng gi\u00e1 ho\u1eb7c va ch\u1ea1m v\u1eeba ph\u1ea3i. <strong>EH40<\/strong> c\u00f3 \u0111\u1ed9 b\u1ec1n v\u01b0\u1ee3t tr\u1ed9i trong nh\u1eefng m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t nh\u01b0 t\u00e0u ph\u00e1 b\u0103ng v\u00e0 gi\u00e0n khoan ngo\u00e0i kh\u01a1i. <strong>FH40<\/strong> \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng trong \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t, c\u00f3 \u0111\u1ed9 b\u1ec1n v\u01b0\u1ee3t tr\u1ed9i \u0111\u1ed1i v\u1edbi m\u00f4i tr\u01b0\u1eddng bi\u1ec3n s\u00e2u v\u00e0 ngo\u00e0i kh\u01a1i ch\u1ecbu t\u00e1c \u0111\u1ed9ng m\u1ea1nh.<\/p><h2 class=\"wp-block-heading\">C\u1ea5p \u0111\u1ed9 ABS: AH40 | DH40 | EH40 | FH40<\/h2><p>AH40, DH40, EH40 v\u00e0 FH40 l\u00e0 th\u00e9p h\u1ee3p kim th\u1ea5p c\u01b0\u1eddng \u0111\u1ed9 cao (HSLA). Ch\u00fang tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n ISO 630 v\u00e0 ISO 15608. C\u00e1c lo\u1ea1i th\u00e9p n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong t\u00e0u bi\u1ec3n v\u00e0 c\u00e1c c\u00f4ng tr\u00ecnh ngo\u00e0i kh\u01a1i, mang l\u1ea1i s\u1ef1 c\u00e2n b\u1eb1ng v\u1ec1 \u0111\u1ed9 b\u1ec1n, \u0111\u1ed9 d\u1ebbo dai v\u00e0 kh\u1ea3 n\u0103ng h\u00e0n. \u0110\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn b\u1edfi ABS v\u00e0 c\u00e1c t\u1ed5 ch\u1ee9c ph\u00e2n lo\u1ea1i kh\u00e1c, ch\u00fang \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng trong c\u00e1c m\u00f4i tr\u01b0\u1eddng h\u00e0ng h\u1ea3i kh\u1eafc nghi\u1ec7t.<\/p><h2 class=\"wp-block-heading\">Th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc c\u1ee7a AH40, DH40, EH40, FH40<\/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>Cu<\/strong><\/td><td><strong>N<\/strong><\/td><td><strong>CEV<\/strong><\/td><\/tr><tr><td>AH40<\/td><td>\u22640,18<\/td><td>0,90\u20131,60<\/td><td>0,15\u20130,50<\/td><td>\u22640,030<\/td><td>\u22640,030<\/td><td>\u22640,20<\/td><td>\u22640,40<\/td><td>\u22640,08<\/td><td>\u22640,35<\/td><td>&#8211;<\/td><td>\u22640,40<\/td><\/tr><tr><td>DH40<\/td><td>\u22640,18<\/td><td>0,90\u20131,60<\/td><td>0,15\u20130,50<\/td><td>\u22640,025<\/td><td>\u22640,025<\/td><td>\u22640,20<\/td><td>\u22640,40<\/td><td>\u22640,08<\/td><td>\u22640,35<\/td><td>&#8211;<\/td><td>\u22640,40<\/td><\/tr><tr><td>EH40<\/td><td>\u22640,18<\/td><td>0,90\u20131,60<\/td><td>0,15\u20130,50<\/td><td>\u22640,025<\/td><td>\u22640,025<\/td><td>\u22640,20<\/td><td>\u22640,40<\/td><td>\u22640,08<\/td><td>\u22640,35<\/td><td>&#8211;<\/td><td>\u22640,40<\/td><\/tr><tr><td>FH40<\/td><td>\u22640,16<\/td><td>0,90\u20131,60<\/td><td>0,15\u20130,50<\/td><td>\u22640,020<\/td><td>\u22640,020<\/td><td>\u22640,20<\/td><td>\u22640,80<\/td><td>\u22640,08<\/td><td>\u22640,35<\/td><td>\u22640,009<\/td><td>\u22640,45<\/td><\/tr><\/tbody><\/table><\/figure><ul class=\"wp-block-list\"><li><em>C\u00f4ng th\u1ee9c t\u00ednh l\u01b0\u1ee3ng cacbon t\u01b0\u01a1ng \u0111\u01b0\u01a1ng:\u00a0<\/em><\/li><\/ul><p><em>CEV = C + (Mn\/6) + ((Cr + Mo + V) \/ 5) + ((Ni + Cu) \/ 15).<\/em><\/p><h2 class=\"wp-block-heading\">T\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc c\u1ee7a AH40, DH40, EH40, FH40<\/h2><figure class=\"wp-block-table\"><table><tbody><tr><td><strong>T\u00e0i s\u1ea3n<\/strong><\/td><td><strong>AH40<\/strong><\/td><td><strong>DH40<\/strong><\/td><td><strong>EH40<\/strong><\/td><td><strong>FH40<\/strong><\/td><\/tr><tr><td><strong>C\u01b0\u1eddng \u0111\u1ed9 ch\u1ecbu k\u00e9o (t\u1ed1i thi\u1ec3u)<\/strong><\/td><td>390 MPa (57 ksi)<\/td><td>390 MPa (57 ksi)<\/td><td>390 MPa (57 ksi)<\/td><td>390 MPa (57 ksi)<\/td><\/tr><tr><td><strong>\u0110\u1ed9 b\u1ec1n k\u00e9o (ph\u00fat)<\/strong><\/td><td>510 \u2013 660 MPa(71 \u2013 90 ksi)<\/td><td>510 \u2013 660 MPa(71 \u2013 90 ksi)<\/td><td>510 \u2013 660 MPa(74 \u2013 96 ksi)<\/td><td>510 \u2013 660 MPa(74 \u2013 96 ksi)<\/td><\/tr><tr><td><strong>\u0110\u1ed9 gi\u00e3n d\u00e0i (ph\u00fat)<\/strong><\/td><td>22% trong 200 mm (8 in)<\/td><td>22% trong 200 mm (8 in)<\/td><td>22% trong 200 mm (8 in)<\/td><td>22% trong 200 mm (8 in)<\/td><\/tr><tr><td><strong>T\u00e1c \u0111\u1ed9ng Charpy V-Notch<\/strong><\/td><td>27 J \u1edf -20\u00b0C (-4\u00b0F)<\/td><td>27 J \u1edf -20\u00b0C (-4\u00b0F)<\/td><td>27 J \u1edf -20\u00b0C (-4\u00b0F)<\/td><td>47 J \u1edf -40\u00b0C (-40\u00b0F)<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">X\u1eed l\u00fd AH40, DH40, EH40, FH40<\/h2><figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXe5CwySWVZ3nQrwQyzXOqP0dClBUBHv6cHpvsmTUXyjrowrVO6GOumyc89zrEZdFmQp5c3DgPITUK2Hqim7pvb5rTaEKYi56fhznPCID9eLwGcVqKaSTUa_XLwR4S-wWbKlr4LA4A?key=-LYMl02BKV9SKNclYDA3hJaf\" alt=\"\"\/><\/figure><h3 class=\"wp-block-heading\">Th\u00eam c\u00e1c th\u00e0nh ph\u1ea7n h\u1ee3p kim&nbsp;<\/h3><p>\u0110\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u su\u1ea5t c\u01b0\u1eddng \u0111\u1ed9 cao c\u1ee7a <strong>AH40<\/strong>, <strong>DH40<\/strong>, <strong>EH40<\/strong>, V\u00e0 <strong>FH40<\/strong> h\u1ee3p kim vi m\u00f4 v\u1edbi c\u00e1c nguy\u00ean t\u1ed1 nh\u01b0 <strong>Niobi (Nb)<\/strong>, <strong>Vanadi (V)<\/strong>, V\u00e0 <strong>Titan (Ti)<\/strong> th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng. C\u00e1c y\u1ebfu t\u1ed1 n\u00e0y, c\u00f9ng v\u1edbi vi\u1ec7c c\u00e1n c\u00f3 ki\u1ec3m so\u00e1t, tinh ch\u1ec9nh c\u1ea5u tr\u00fac h\u1ea1t v\u00e0 t\u0103ng c\u01b0\u1eddng <strong>\u0111\u1ed9 b\u1ec1n<\/strong>.<\/p><p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 h\u00e0m l\u01b0\u1ee3ng \u0111i\u1ec3n h\u00ecnh c\u1ee7a c\u00e1c nguy\u00ean t\u1ed1 h\u1ee3p kim n\u00e0y trong <strong>AH40<\/strong>, <strong>DH40<\/strong>, <strong>EH40<\/strong>, V\u00e0 <strong>FH40<\/strong>:<\/p><figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Y\u1ebfu t\u1ed1<\/strong><\/td><td><strong>T\u00ed<\/strong><\/td><td><strong>V<\/strong><\/td><td><strong>L\u01b0u \u00fd<\/strong><\/td><td><strong>Al<\/strong><\/td><\/tr><tr><td><strong>N\u1ed9i dung(%)<\/strong><\/td><td>\u22640,02<\/td><td>0.05-0.1<\/td><td>0.02-0.05<\/td><td>0.015<\/td><\/tr><\/tbody><\/table><\/figure><p>C\u00e1c y\u1ebfu t\u1ed1 tinh ch\u1ebf h\u1ea1t nh\u01b0 <strong>Titan (Ti)<\/strong>, <strong>Vanadi (V)<\/strong>, <strong>Niobi (Nb)<\/strong>, V\u00e0 <strong>Nh\u00f4m (Al)<\/strong> c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u00eam v\u00e0o th\u00e9p ri\u00eang l\u1ebb ho\u1eb7c k\u1ebft h\u1ee3p theo b\u1ea5t k\u1ef3 c\u00e1ch n\u00e0o.&nbsp;<\/p><ul class=\"wp-block-list\"><li>Khi \u0111\u01b0\u1ee3c th\u00eam ri\u00eang l\u1ebb, h\u00e0m l\u01b0\u1ee3ng c\u1ee7a c\u00e1c nguy\u00ean t\u1ed1 n\u00e0y ph\u1ea3i tu\u00e2n th\u1ee7 c\u00e1c gi\u1edbi h\u1ea1n \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh trong b\u1ea3ng.\u00a0<\/li>\n\n<li>Tuy nhi\u00ean, khi k\u1ebft h\u1ee3p hai ho\u1eb7c nhi\u1ec1u nguy\u00ean t\u1ed1 tinh luy\u1ec7n h\u1ea1t, gi\u1edbi h\u1ea1n d\u01b0\u1edbi c\u1ee7a h\u00e0m l\u01b0\u1ee3ng cho m\u1ed7i nguy\u00ean t\u1ed1 trong b\u1ea3ng kh\u00f4ng \u00e1p d\u1ee5ng: Nb+V+Ti\u22640.12%<\/li><\/ul><p>V\u00ec <strong>FH40<\/strong> th\u00e9p c\u00f3 ch\u1ee9a nh\u00f4m, h\u00e0m l\u01b0\u1ee3ng nit\u01a1 (N) kh\u00f4ng \u0111\u01b0\u1ee3c v\u01b0\u1ee3t qu\u00e1 <strong>0.012%<\/strong>.<\/p><h3 class=\"wp-block-heading\">C\u00e1n n\u00f3ng &amp; R\u00e8n<\/h3><p><strong>AH40<\/strong>, <strong>DH40<\/strong>, V\u00e0 <strong>EH40<\/strong> th\u01b0\u1eddng l\u00e0 <strong>c\u00e1n n\u00f3ng<\/strong> s\u1eed d\u1ee5ng c\u00e1c k\u1ef9 thu\u1eadt c\u00e1n th\u00f4ng th\u01b0\u1eddng, ti\u1ebfp theo l\u00e0 <strong>b\u00ecnh th\u01b0\u1eddng h\u00f3a<\/strong> ho\u1eb7c <strong>l\u00e0m ngu\u1ed9i v\u00e0 t\u00f4i luy\u1ec7n<\/strong> \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 d\u1ebbo dai mong mu\u1ed1n.&nbsp;<\/p><p><strong>FH40<\/strong> \u0111\u00f2i h\u1ecfi nhi\u1ec1u h\u01a1n <strong>l\u0103n c\u00f3 ki\u1ec3m so\u00e1t<\/strong> qu\u00e1 tr\u00ecnh v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c cao h\u01a1n trong x\u1eed l\u00fd nhi\u1ec7t do <strong>t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 b\u1ec1n \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p<\/strong> y\u00eau c\u1ea7u.<\/p><h3 class=\"wp-block-heading\">X\u1eed l\u00fd nhi\u1ec7t<\/h3><ul class=\"wp-block-list\"><li><strong>AH40, DH40 v\u00e0 EH40<\/strong> th\u01b0\u1eddng ph\u1ea3i ch\u1ecbu <strong>l\u00e0m ngu\u1ed9i v\u00e0 t\u00f4i luy\u1ec7n<\/strong> c\u00e1c quy tr\u00ecnh.<\/li><\/ul><p>Nh\u1eefng qu\u00e1 tr\u00ecnh n\u00e0y bao g\u1ed3m <strong>s\u01b0\u1edfi \u1ea5m<\/strong> th\u00e9p \u1edf nhi\u1ec7t \u0111\u1ed9 cao (th\u01b0\u1eddng l\u00e0 gi\u1eefa <strong>850\u00b0C \u0111\u1ebfn 950\u00b0C<\/strong>), sau \u0111\u00f3 l\u00e0m ngu\u1ed9i nhanh (l\u00e0m ngu\u1ed9i), v\u00e0 sau \u0111\u00f3 t\u00f4i luy\u1ec7n \u1edf <strong>550\u00b0C \u0111\u1ebfn 650\u00b0C<\/strong> \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 c\u1ee9ng v\u00e0 c\u1ea3i thi\u1ec7n \u0111\u1ed9 d\u1ebbo dai v\u00e0 \u0111\u1ed9 dai.<\/p><ul class=\"wp-block-list\"><li><strong>FH40<\/strong>, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho nh\u1eefng \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t h\u01a1n, \u0111\u00f2i h\u1ecfi <strong>x\u1eed l\u00fd nhi\u1ec7t chuy\u00ean d\u1ee5ng<\/strong> ch\u1eb3ng h\u1ea1n nh\u01b0 <strong>nhi\u1ec7t \u0111\u1ed9 d\u01b0\u1edbi 0<\/strong> ho\u1eb7c <strong>gi\u1ea3i t\u1ecfa c\u0103ng th\u1eb3ng tr\u01b0\u1edbc<\/strong>.\u00a0<\/li><\/ul><p>C\u00e1c quy tr\u00ecnh n\u00e0y \u0111\u1ea3m b\u1ea3o th\u00e9p duy tr\u00ec \u0111\u01b0\u1ee3c \u0111\u1ed9 d\u1ebbo dai ngay c\u1ea3 \u1edf nhi\u1ec7t \u0111\u1ed9 c\u1ef1c th\u1ea5p (xu\u1ed1ng t\u1edbi <strong>-40\u00b0C<\/strong>), \u0111\u1ea3m b\u1ea3o y\u00eau c\u1ea7u <strong>N\u0103ng l\u01b0\u1ee3ng va ch\u1ea1m 47 J<\/strong>.<\/p><h3 class=\"wp-block-heading\">H\u00e0n<\/h3><p><strong>AH40, DH40 v\u00e0 EH40<\/strong> cung c\u1ea5p kh\u1ea3 n\u0103ng h\u00e0n t\u1ed1t v\u1edbi h\u00e0m l\u01b0\u1ee3ng carbon th\u1ea5p h\u01a1n so v\u1edbi th\u00e9p c\u00f3 \u0111\u1ed9 b\u1ec1n cao h\u01a1n. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p c\u00e1c lo\u1ea1i n\u00e0y \u0111\u01b0\u1ee3c h\u00e0n b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng th\u00f4ng th\u01b0\u1eddng<strong> MIG (Kh\u00ed tr\u01a1 kim lo\u1ea1i) v\u00e0 MAG (Kh\u00ed ho\u1ea1t t\u00ednh kim lo\u1ea1i)<\/strong> c\u00e1c quy tr\u00ecnh h\u00e0n. C\u00e1c lo\u1ea1i th\u00e9p n\u00e0y ph\u00f9 h\u1ee3p cho <strong>t\u1ef1 \u0111\u1ed9ng<\/strong> ho\u1eb7c <strong>b\u00e1n t\u1ef1 \u0111\u1ed9ng<\/strong> h\u00e0n.<\/p><p>Khi h\u00e0n <strong>FH40<\/strong>, nh\u1eefng c\u00e2n nh\u1eafc \u0111\u1eb7c bi\u1ec7t, ch\u1eb3ng h\u1ea1n nh\u01b0 <strong>l\u00e0m n\u00f3ng tr\u01b0\u1edbc<\/strong> (th\u01b0\u1eddng l\u00e0 gi\u1eefa <strong>100\u00b0C \u0111\u1ebfn 150\u00b0C<\/strong>) V\u00e0 <strong>X\u1eed l\u00fd nhi\u1ec7t sau h\u00e0n (PWHT)<\/strong>, l\u00e0 c\u1ea7n thi\u1ebft \u0111\u1ec3 ng\u0103n ng\u1eeba <strong>n\u1ee9t l\u1ea1nh<\/strong> v\u00e0 duy tr\u00ec kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp c\u1ee7a v\u1eadt li\u1ec7u. Ngo\u00e0i ra, <strong>v\u1eadt t\u01b0 h\u00e0n \u00edt hydro<\/strong> \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o cao <strong>\u0111\u1ed9 b\u1ec1n<\/strong> trong v\u00f9ng h\u00e0n, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong m\u00f4i tr\u01b0\u1eddng c\u00f3 nhi\u1ec7t \u0111\u1ed9 th\u1ea5p l\u00e0 v\u1ea5n \u0111\u1ec1 \u0111\u00e1ng lo ng\u1ea1i.<\/p><h2 class=\"wp-block-heading\">\u1ee8ng d\u1ee5ng c\u1ee7a AH40, DH40, EH40, FH40<\/h2><figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXc5Yw84T4g9nztUnEsa3qWrLzfPhs6iO9fj6ZP3aeBlGRl54RzFiBREYZCoGgL7NNiSYHYdt97AtD7KLBYtmsJWKKJoqQnk2M5O0t7RdulCLlqSXeEMEZHrnOGkhcMy2Yr75QAF?key=-LYMl02BKV9SKNclYDA3hJaf\" alt=\"\"\/><\/figure><p>AH40, DH40, EH40 v\u00e0 FH40 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong \u0111\u00f3ng t\u00e0u cho nhi\u1ec1u lo\u1ea1i t\u00e0u kh\u00e1c nhau. Vi\u1ec7c l\u1ef1a ch\u1ecdn lo\u1ea1i th\u00e9p th\u01b0\u1eddng t\u01b0\u01a1ng quan v\u1edbi m\u00f4i tr\u01b0\u1eddng ho\u1ea1t \u0111\u1ed9ng d\u1ef1 ki\u1ebfn c\u1ee7a t\u00e0u (v\u00ed d\u1ee5: ho\u1ea1t \u0111\u1ed9ng ph\u00e1 b\u0103ng, bi\u1ec3n s\u00e2u ho\u1eb7c n\u01b0\u1edbc l\u1ea1nh) v\u00e0 t\u1ea3i tr\u1ecdng m\u00e0 t\u00e0u d\u1ef1 ki\u1ebfn s\u1ebd mang.<\/p><figure class=\"wp-block-table\"><table><tbody><tr><td><strong>C\u1ea5p<\/strong><\/td><td><strong>\u1ee8ng d\u1ee5ng<\/strong><\/td><td><strong>M\u00f4i tr\u01b0\u1eddng<\/strong><\/td><\/tr><tr><td><strong>AH40<\/strong><\/td><td>T\u00e0u ch\u1edf h\u00e0ng r\u1eddi c\u1ee1 trung, t\u00e0u ch\u1edf h\u00e0ng t\u1ed5ng h\u1ee3p v\u00e0 t\u00e0u ch\u1edf d\u1ea7u.<\/td><td>m\u00f4i tr\u01b0\u1eddng bi\u1ec3n \u00f4n h\u00f2a v\u1edbi \u00edt b\u0103ng ho\u1eb7c \u0111i\u1ec1u ki\u1ec7n th\u1eddi ti\u1ebft kh\u1eafc nghi\u1ec7t<\/td><\/tr><tr><td><strong>DH40<\/strong><\/td><td>T\u00e0u l\u1edbp b\u0103ng, t\u00e0u nghi\u00ean c\u1ee9u v\u00f9ng c\u1ef1c v\u00e0 t\u00e0u ch\u1edf d\u1ea7u ngo\u00e0i kh\u01a1i.<\/td><td>m\u00f4i tr\u01b0\u1eddng bi\u1ec3n c\u00f3 m\u1ee9c \u0111\u1ed9 ti\u1ebfp x\u00fac v\u1eeba ph\u1ea3i v\u1edbi b\u0103ng ho\u1eb7c t\u00e1c \u0111\u1ed9ng<\/td><\/tr><tr><td><strong>EH40<\/strong><\/td><td>T\u00e0u ph\u00e1 b\u0103ng, gi\u00e0n khoan ngo\u00e0i kh\u01a1i, t\u00e0u ch\u1edf h\u00e0ng ch\u1ea1y tr\u00ean b\u0103ng v\u00e0 t\u00e0u th\u00e1m hi\u1ec3m v\u00f9ng c\u1ef1c.<\/td><td>m\u00f4i tr\u01b0\u1eddng ngo\u00e0i kh\u01a1i c\u00f3 b\u0103ng gi\u00e1 nghi\u00eam tr\u1ecdng, gi\u00f3 m\u1ea1nh v\u00e0 \u0111i\u1ec1u ki\u1ec7n \u00e1p su\u1ea5t cao<\/td><\/tr><tr><td><strong>FH40<\/strong><\/td><td>Ho\u1ea1t \u0111\u1ed9ng ph\u00e1 b\u0103ng, ho\u1ea1t \u0111\u1ed9ng d\u01b0\u1edbi bi\u1ec3n s\u00e2u v\u00e0 c\u00e1c gi\u00e0n khoan ngo\u00e0i kh\u01a1i h\u1ea1ng n\u1eb7ng.<\/td><td>M\u00f4i tr\u01b0\u1eddng B\u1eafc C\u1ef1c\/c\u1ef1c, th\u1eddi ti\u1ebft kh\u1eafc nghi\u1ec7t, \u0111i\u1ec1u ki\u1ec7n t\u00e1c \u0111\u1ed9ng m\u1ea1nh<\/td><\/tr><\/tbody><\/table><\/figure><p>\u0110\u1ec3 hi\u1ec3u s\u00e2u h\u01a1n v\u1ec1 c\u00e1ch c\u00e1c lo\u1ea1i th\u00e9p \u0111\u00f3ng t\u00e0u c\u1ee7a ch\u00fang t\u00f4i \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng th\u00e0nh c\u00f4ng trong c\u00e1c d\u1ef1 \u00e1n \u0111\u00f3ng t\u00e0u v\u00e0 ngo\u00e0i kh\u01a1i, ch\u1ec9 c\u1ea7n li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i <a href=\"https:\/\/steelprogroup.com\/vi\/contact-us\/\">b\u1eb1ng e-mail \u1edf \u0111\u00e2y<\/a>!<\/p><p>B\u1ea1n s\u1ebd nh\u1eadn \u0111\u01b0\u1ee3c c\u00e1c nghi\u00ean c\u1ee9u \u0111i\u1ec3n h\u00ecnh \u0111\u1ed9c quy\u1ec1n \u0111\u1ec3 gi\u00fap b\u1ea1n \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh s\u00e1ng su\u1ed1t h\u01a1n cho c\u00e1c d\u1ef1 \u00e1n x\u00e2y d\u1ef1ng h\u00e0ng h\u1ea3i c\u1ee7a m\u00ecnh.<\/p><h2 class=\"wp-block-heading\">K\u00edch th\u01b0\u1edbc s\u1ea3n ph\u1ea9m c\u1ee7a t\u1ea5m th\u00e9p AH40, DH40, EH40, FH40<\/h2><p>Trong ng\u00e0nh \u0111\u00f3ng t\u00e0u v\u00e0 x\u00e2y d\u1ef1ng ngo\u00e0i kh\u01a1i, c\u00e1c lo\u1ea1i th\u00e9p AH40, DH40, EH40 v\u00e0 FH40 ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c mua d\u01b0\u1edbi d\u1ea1ng t\u1ea5m th\u00e9p. C\u00e1c lo\u1ea1i th\u00e9p h\u1ee3p kim th\u1ea5p, c\u01b0\u1eddng \u0111\u1ed9 cao n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 ch\u1ebf t\u1ea1o th\u00e2n t\u00e0u, s\u00e0n t\u00e0u v\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n k\u1ebft c\u1ea5u kh\u00e1c c\u1ee7a t\u00e0u v\u00e0 gi\u00e0n khoan ngo\u00e0i kh\u01a1i.&nbsp;<\/p><p>\u0110\u00e2y l\u00e0 ph\u1ea1m vi k\u00edch th\u01b0\u1edbc \u0111i\u1ec3n h\u00ecnh cho <strong>AH40<\/strong>, <strong>DH40<\/strong>, <strong>EH40<\/strong>, V\u00e0 <strong>FH40<\/strong> t\u1ea5m th\u00e9p:<\/p><ul class=\"wp-block-list\"><li><strong>\u0110\u1ed9 d\u00e0y<\/strong>: <strong>6mm (0,24\u2033)<\/strong> \u0110\u1ebeN <strong>200 mm (7,87\u2033)<\/strong><\/li>\n\n<li><strong>Chi\u1ec1u r\u1ed9ng<\/strong>: <strong>1.500 mm (59\u2033)<\/strong> \u0110\u1ebeN <strong>3.000 mm (118\u2033)<\/strong><\/li>\n\n<li><strong>Chi\u1ec1u d\u00e0i<\/strong>: <strong>6.000 mm (236\u2033)<\/strong> V\u00e0 <strong>12.000 mm (472\u2033)<\/strong><\/li><\/ul><h2 class=\"wp-block-heading\">Th\u00e9p cao c\u1ea5p cho x\u00e2y d\u1ef1ng h\u00e0ng h\u1ea3i v\u00e0 ngo\u00e0i kh\u01a1i<\/h2><p>T\u1ea1i SteelPro Group, ch\u00fang t\u00f4i cam k\u1ebft cung c\u1ea5p th\u00e9p \u0111\u00f3ng t\u00e0u ch\u1ea5t l\u01b0\u1ee3ng cao cho c\u00e1c d\u1ef1 \u00e1n x\u00e2y d\u1ef1ng h\u00e0ng h\u1ea3i ho\u1eb7c ngo\u00e0i kh\u01a1i \u0111\u00f2i h\u1ecfi kh\u1eaft khe c\u1ee7a b\u1ea1n. C\u00e1c s\u1ea3n ph\u1ea9m c\u1ee7a ch\u00fang t\u00f4i, bao g\u1ed3m <a href=\"https:\/\/steelprogroup.com\/vi\/shipbuilding-steel\/ah40\/\">AH40<\/a>, <a href=\"https:\/\/steelprogroup.com\/vi\/shipbuilding-steel\/dh40\/\">DH40<\/a>, <a href=\"https:\/\/steelprogroup.com\/vi\/shipbuilding-steel\/eh40\/\">EH40<\/a>, V\u00e0 <a href=\"https:\/\/steelprogroup.com\/vi\/shipbuilding-steel\/fh40\/\">FH40<\/a> t\u1ea5m th\u00e9p, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u kh\u1eaft khe nh\u1ea5t c\u1ee7a ng\u00e0nh h\u00e0ng h\u1ea3i. Sau \u0111\u00e2y l\u00e0 nh\u1eefng g\u00ec ch\u00fang t\u00f4i c\u00f3 th\u1ec3 cung c\u1ea5p:<\/p><ul class=\"wp-block-list\"><li><strong>Ch\u1ea5t l\u01b0\u1ee3ng v\u1eadt li\u1ec7u<\/strong> \u0111\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn theo ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf nh\u01b0 <strong>ASTM A131 v\u00e0 ISO 6365<\/strong>.<\/li>\n\n<li><strong>An to\u00e0n v\u00e0 tu\u00e2n th\u1ee7<\/strong> \u0111\u01b0\u1ee3c \u0111\u1ea3m b\u1ea3o v\u1edbi <strong>CCS, ABS, LR v\u00e0 KR<\/strong> b\u1ed9 ph\u00e2n lo\u1ea1i.<\/li>\n\n<li><strong>X\u1eed l\u00fd b\u1ec1 m\u1eb7t <\/strong>c\u00e1c t\u00f9y ch\u1ecdn nh\u01b0 <strong>phun c\u00e1t, phun s\u01a1n v\u00e0 ph\u1ee7 s\u01a1n<\/strong> \u0111\u1ec3 t\u0103ng \u0111\u1ed9 b\u1ec1n.<\/li>\n\n<li><strong>Gi\u1ea3i ph\u00e1p t\u00f9y ch\u1ec9nh<\/strong> \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ri\u00eang \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a d\u1ef1 \u00e1n b\u1ea1n.<\/li><\/ul><p>H\u00e3y li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i ngay h\u00f4m nay \u0111\u1ec3 th\u1ea3o lu\u1eadn v\u1ec1 nhu c\u1ea7u c\u1ee7a b\u1ea1n v\u00e0 nh\u1eadn \u0111\u01b0\u1ee3c \u0111\u1ec1 xu\u1ea5t ph\u00f9 h\u1ee3p!<\/p><p><\/p>","protected":false},"excerpt":{"rendered":"<p>AH40, DH40, EH40, and FH40 are high-strength low-alloy (HSLA) steels, each suited for different marine environments. In essence, the key [&hellip;]<\/p>","protected":false},"author":12,"featured_media":19788,"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":[4292,4291,4289],"tags":[],"class_list":["post-19787","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-comparison-grades-shipbuilding-steel","category-grades-shipbuilding-steel","category-shipbuilding-steel"],"acf":[],"_links":{"self":[{"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/posts\/19787","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\/12"}],"replies":[{"embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/comments?post=19787"}],"version-history":[{"count":0,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/posts\/19787\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/media\/19788"}],"wp:attachment":[{"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/media?parent=19787"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/categories?post=19787"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/tags?post=19787"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}