{"id":21597,"date":"2025-03-11T09:47:00","date_gmt":"2025-03-11T01:47:00","guid":{"rendered":"https:\/\/steelprogroup.com\/?p=21597"},"modified":"2025-03-11T13:49:38","modified_gmt":"2025-03-11T05:49:38","slug":"prevent-galvanic-corrosion","status":"publish","type":"post","link":"https:\/\/steelprogroup.com\/vi\/galvanized-steel\/maintenance\/prevent-galvanic-corrosion\/","title":{"rendered":"Ng\u0103n ng\u1eeba \u0103n m\u00f2n Galvanic: C\u00e1c y\u1ebfu t\u1ed1 v\u00e0 ph\u01b0\u01a1ng ph\u00e1p"},"content":{"rendered":"<p class=\"c0 wp-block-paragraph\"><span class=\"c1\">\u0102n m\u00f2n \u0111i\u1ec7n h\u00f3a \u0111\u01b0\u1ee3c th\u00fac \u0111\u1ea9y b\u1edfi s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 \u0111i\u1ec7n th\u1ebf gi\u1eefa hai kim lo\u1ea1i, d\u1eabn \u0111\u1ebfn s\u1ef1 \u0103n m\u00f2n c\u1ee7a kim lo\u1ea1i ph\u1ea3n \u1ee9ng m\u1ea1nh h\u01a1n. \u0110i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i bi\u1ebft c\u00e1ch ng\u0103n ng\u1eeba lo\u1ea1i \u0103n m\u00f2n n\u00e0y \u0111\u1ec3 b\u1ea3o v\u1ec7 c\u00e1c c\u1ea5u tr\u00fac kim lo\u1ea1i v\u00e0 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a ch\u00fang.<\/span><\/p><p class=\"c0 wp-block-paragraph\"><span class=\"c1\">Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang t\u00f4i s\u1ebd th\u1ea3o lu\u1eadn v\u1ec1 c\u00e1c chi\u1ebfn l\u01b0\u1ee3c hi\u1ec7u qu\u1ea3 \u0111\u1ec3 b\u1ea3o v\u1ec7 c\u00e1c th\u00e0nh ph\u1ea7n kim lo\u1ea1i c\u1ee7a b\u1ea1n kh\u1ecfi s\u1ef1 \u0103n m\u00f2n \u0111i\u1ec7n h\u00f3a, gi\u00fap ch\u00fang lu\u00f4n b\u1ec1n v\u00e0 ch\u1eafc trong nhi\u1ec1u n\u0103m.<\/span><\/p><h2 class=\"wp-block-heading c12 c3\" id=\"h.m3kcjdl6orp2\"><span class=\"c7\">\u0102n m\u00f2n \u0111i\u1ec7n h\u00f3a l\u00e0 g\u00ec?<\/span><\/h2><p class=\"c0 wp-block-paragraph\"><span class=\"c1\">\u0102n m\u00f2n \u0111i\u1ec7n h\u00f3a x\u1ea3y ra khi hai kim lo\u1ea1i ri\u00eang bi\u1ec7t \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i \u0111i\u1ec7n trong s\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a ch\u1ea5t l\u1ecfng d\u1eabn \u0111i\u1ec7n. Trong t\u01b0\u01a1ng t\u00e1c n\u00e0y, m\u1ed9t kim lo\u1ea1i \u0111\u00f3ng vai tr\u00f2 l\u00e0 c\u1ef1c d\u01b0\u01a1ng v\u00e0 m\u1ea5t electron th\u00f4ng qua qu\u00e1 tr\u00ecnh oxy h\u00f3a, trong khi kim lo\u1ea1i c\u00f2n l\u1ea1i \u0111\u00f3ng vai tr\u00f2 l\u00e0 c\u1ef1c \u00e2m, n\u01a1i x\u1ea3y ra qu\u00e1 tr\u00ecnh kh\u1eed v\u00e0 v\u1eabn \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 kh\u1ecfi s\u1ef1 \u0103n m\u00f2n. &nbsp;<\/span><\/p><h2 class=\"wp-block-heading c0 c3\" id=\"h.f9x1h0onwboa\"><span class=\"c7\">\u0110i\u1ec1u ki\u1ec7n c\u1ea7n thi\u1ebft cho s\u1ef1 \u0103n m\u00f2n \u0111i\u1ec7n h\u00f3a<\/span><\/h2><ul class=\"wp-block-list c2 lst-kix_q3nil0dh47nh-0 start\"><li><span class=\"c1\">S\u1ef1 c\u00f3 m\u1eb7t c\u1ee7a hai kim lo\u1ea1i kh\u00e1c nhau: C\u1ea7n c\u00f3 \u00edt nh\u1ea5t hai kim lo\u1ea1i kh\u00e1c nhau.<\/span><\/li>\n\n<li><span class=\"c1\">Ti\u1ebfp x\u00fac \u0111i\u1ec7n: C\u00e1c kim lo\u1ea1i ph\u1ea3i ti\u1ebfp x\u00fac \u0111i\u1ec7n tr\u1ef1c ti\u1ebfp v\u1edbi nhau.<\/span><\/li>\n\n<li><span class=\"c1\">Ch\u1ea5t \u0111i\u1ec7n gi\u1ea3i: Ch\u1ea5t \u0111i\u1ec7n gi\u1ea3i, ch\u1eb3ng h\u1ea1n nh\u01b0 n\u01b0\u1edbc ho\u1eb7c \u0111\u1ed9 \u1ea9m, l\u00e0 c\u1ea7n thi\u1ebft \u0111\u1ec3 t\u1ea1o \u0111i\u1ec1u ki\u1ec7n thu\u1eadn l\u1ee3i cho qu\u00e1 tr\u00ecnh n\u00e0y.<\/span><\/li><\/ul><h2 class=\"wp-block-heading c3 c12\" id=\"h.wur5pdeis56y\"><span class=\"c7\">C\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0103n m\u00f2n \u0111i\u1ec7n h\u00f3a<\/span><\/h2><h3 class=\"wp-block-heading c0 c3\" id=\"h.xai74eqgyq9f\"><span class=\"c8\">S\u1ef1 kh\u00e1c bi\u1ec7t ti\u1ec1m n\u0103ng<\/span><\/h3><p class=\"c0 wp-block-paragraph\"><span class=\"c1\">S\u1ef1 ch\u00eanh l\u1ec7ch l\u1edbn h\u01a1n v\u1ec1 \u0111i\u1ec7n th\u1ebf \u0111i\u1ec7n h\u00f3a gi\u1eefa hai kim lo\u1ea1i d\u1eabn \u0111\u1ebfn t\u1ed1c \u0111\u1ed9 \u0103n m\u00f2n cao h\u01a1n cho anot. Khi m\u1ed9t kim lo\u1ea1i ph\u1ea3n \u1ee9ng nhi\u1ec1u h\u01a1n \u0111\u01b0\u1ee3c gh\u00e9p v\u1edbi m\u1ed9t kim lo\u1ea1i \u00edt ph\u1ea3n \u1ee9ng h\u01a1n, kim lo\u1ea1i ph\u1ea3n \u1ee9ng nhi\u1ec1u h\u01a1n s\u1ebd b\u1ecb \u0103n m\u00f2n v\u1edbi t\u1ed1c \u0111\u1ed9 nhanh h\u01a1n. <\/span><\/p><h3 class=\"wp-block-heading c0 c3\" id=\"h.dkbd4tp1n0j7\"><span class=\"c8\">C\u00e1c y\u1ebfu t\u1ed1 m\u00f4i tr\u01b0\u1eddng<\/span><\/h3><p class=\"c0 wp-block-paragraph\"><span class=\"c1\">C\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111\u1ed9 pH c\u00f3 th\u1ec3 \u0111\u1ea9y nhanh ho\u1eb7c l\u00e0m ch\u1eadm qu\u00e1 tr\u00ecnh \u0103n m\u00f2n. Nhi\u1ec7t \u0111\u1ed9 cao h\u01a1n th\u01b0\u1eddng l\u00e0m t\u0103ng t\u1ed1c \u0111\u1ed9 ph\u1ea3n \u1ee9ng, trong khi m\u1ee9c \u0111\u1ed9 pH c\u1ef1c \u0111oan c\u00f3 th\u1ec3 th\u00fac \u0111\u1ea9y ho\u1eb7c \u1ee9c ch\u1ebf s\u1ef1 \u0103n m\u00f2n t\u00f9y thu\u1ed9c v\u00e0o kim lo\u1ea1i li\u00ean quan.<\/span><\/p><h3 class=\"wp-block-heading c0 c3\" id=\"h.otruzip9563\"><span class=\"c8\">T\u1ef7 l\u1ec7 di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t<\/span><\/h3><p class=\"c0 wp-block-paragraph\"><span class=\"c1\">K\u00edch th\u01b0\u1edbc c\u1ee7a b\u1ec1 m\u1eb7t kim lo\u1ea1i r\u1ea5t quan tr\u1ecdng. C\u1ee5 th\u1ec3, khi anode c\u00f3 di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t t\u01b0\u01a1ng \u0111\u1ed1i nh\u1ecf h\u01a1n so v\u1edbi catod, n\u00f3 c\u00f3 xu h\u01b0\u1edbng h\u01b0 h\u1ecfng nhanh h\u01a1n. \u0110i\u1ec1u n\u00e0y l\u00e0 do di\u1ec7n t\u00edch nh\u1ecf h\u01a1n t\u1eadp trung c\u00e1c ph\u1ea3n \u1ee9ng \u0111i\u1ec7n h\u00f3a, d\u1eabn \u0111\u1ebfn h\u01b0 h\u1ecfng nhanh h\u01a1n.<\/span><\/p><h2 class=\"wp-block-heading c0 c3\" id=\"h.2eohontxdgpa\"><span class=\"c7\">L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 ng\u0103n ng\u1eeba \u0103n m\u00f2n \u0111i\u1ec7n h\u00f3a?<\/span><\/h2><h3 class=\"wp-block-heading c3 c14\" id=\"h.47gnoyr9j6lo\"><span class=\"c8\">L\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u<\/span><\/h3><p class=\"c0 wp-block-paragraph\"><span class=\"c1\">\u0110\u1ec3 gi\u1ea3m thi\u1ec3u nguy c\u01a1 \u0103n m\u00f2n \u0111i\u1ec7n h\u00f3a, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i ch\u1ecdn kim lo\u1ea1i c\u00f3 \u0111i\u1ec7n th\u1ebf \u0111i\u1ec7n h\u00f3a t\u01b0\u01a1ng t\u1ef1. V\u00ed d\u1ee5, th\u00e9p kh\u00f4ng g\u1ec9 v\u00e0 nh\u00f4m c\u00f3 th\u1ec3 c\u00f3 ch\u00eanh l\u1ec7ch \u0111i\u1ec7n th\u1ebf l\u1edbn, khi\u1ebfn ch\u00fang tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn k\u00e9m khi k\u1ebft h\u1ee3p v\u1edbi nhau. Vi\u1ec7c ch\u1ecdn kim lo\u1ea1i c\u00f9ng h\u1ecd ho\u1eb7c c\u00f3 \u0111\u1eb7c t\u00ednh t\u01b0\u01a1ng th\u00edch c\u00f3 th\u1ec3 gi\u00fap ng\u0103n ng\u1eeba \u0103n m\u00f2n.<\/span><\/p><h3 class=\"wp-block-heading c0 c3\" id=\"h.a204wudf2onu\"><span class=\"c8\">L\u1edbp ph\u1ee7 v\u00e0 r\u00e0o ch\u1eafn b\u1ea3o v\u1ec7<\/span><\/h3><p class=\"c0 wp-block-paragraph\"><span class=\"c1\">M\u1ed9t ph\u01b0\u01a1ng ph\u00e1p c\u1ef1c k\u1ef3 hi\u1ec7u qu\u1ea3 \u0111\u1ec3 ch\u1ed1ng \u0103n m\u00f2n l\u00e0 \u00e1p d\u1ee5ng c\u00e1c l\u1edbp b\u1ea3o v\u1ec7 tr\u00ean b\u1ec1 m\u1eb7t kim lo\u1ea1i. C\u00e1c l\u1edbp b\u1ea3o v\u1ec7 n\u00e0y ng\u0103n kh\u00f4ng cho h\u01a1i \u1ea9m v\u00e0 c\u00e1c ch\u1ea5t c\u00f3 h\u1ea1i ti\u1ebfp c\u1eadn v\u00e0 l\u00e0m h\u1ecfng kim lo\u1ea1i b\u00ean d\u01b0\u1edbi. \u0110\u1ec3 duy tr\u00ec ch\u1ea5t l\u01b0\u1ee3ng b\u1ea3o v\u1ec7 c\u1ee7a ch\u00fang theo th\u1eddi gian, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i duy tr\u00ec c\u00e1c l\u1edbp ph\u1ee7 n\u00e0y v\u00e0 \u00e1p d\u1ee5ng l\u1ea1i khi c\u1ea7n thi\u1ebft.<\/span><\/p><ul class=\"wp-block-list c2 lst-kix_7d1fx5hxvp1s-0 start\"><li><span class=\"c9\">S\u01a1n<\/span><span class=\"c1\">\u00a0th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ea1o ra l\u1edbp ch\u1eafn ch\u1ed1ng \u1ea9m. Ch\u00fang gi\u00fap b\u1ea3o v\u1ec7 b\u1ec1 m\u1eb7t kim lo\u1ea1i kh\u1ecfi h\u00f3a ch\u1ea5t v\u00e0 c\u00e1c y\u1ebfu t\u1ed1 m\u00f4i tr\u01b0\u1eddng. <\/span><\/li>\n\n<li><span class=\"c9\">L\u1edbp ph\u1ee7 b\u1ed9t<\/span><span class=\"c1\">\u00a0cung c\u1ea5p l\u1edbp b\u1ea3o v\u1ec7 d\u00e0y h\u01a1n, b\u1ec1n h\u01a1n. Ch\u00fang \u0111\u1eb7c bi\u1ec7t ph\u00f9 h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng ngo\u00e0i tr\u1eddi, n\u01a1i ch\u00fang ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t.<\/span><\/li><\/ul><p class=\"c0 wp-block-paragraph\"><span class=\"c1\">Ngo\u00e0i ra, s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u c\u00e1ch \u0111i\u1ec7n \u0111\u1ec3 t\u00e1ch c\u00e1c kim lo\u1ea1i kh\u00f4ng gi\u1ed1ng nhau s\u1ebd l\u00e0m gi\u1ea3m nguy c\u01a1 \u0103n m\u00f2n \u0111i\u1ec7n h\u00f3a. B\u1eb1ng c\u00e1ch k\u1ebft h\u1ee3p l\u1edbp ph\u1ee7 b\u1ea3o v\u1ec7 v\u1edbi c\u00e1c k\u1ef9 thu\u1eadt t\u00e1ch n\u00e0y, b\u1ea1n c\u00f3 th\u1ec3 t\u0103ng c\u01b0\u1eddng \u0111\u00e1ng k\u1ec3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n.<\/span><\/p><ul class=\"wp-block-list c2 lst-kix_s00lizxnv367-0 start\"><li><span class=\"c9\">V\u00f2ng \u0111\u1ec7m v\u00e0 \u1ed1ng l\u00f3t b\u1eb1ng nh\u1ef1a<\/span>\u00a0<span class=\"c1\">c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u1eb7t gi\u1eefa bu l\u00f4ng v\u00e0 b\u1ec1 m\u1eb7t kim lo\u1ea1i \u0111\u1ec3 ng\u0103n ng\u1eeba ti\u1ebfp x\u00fac \u0111i\u1ec7n. V\u1eadt li\u1ec7u ph\u1ed5 bi\u1ebfn bao g\u1ed3m nylon ho\u1eb7c polyethylene.<\/span><\/li>\n\n<li><span class=\"c9\">Gio\u0103ng cao su<\/span>\u00a0b\u1ea1n l\u00e0<span class=\"c1\">\u0110\u01b0\u1ee3c g\u1eafn \u1edf c\u00e1c m\u1ed1i n\u1ed1i v\u00e0 m\u1eb7t b\u00edch, gio\u0103ng cao su t\u1ea1o ra m\u1ed9t r\u00e0o c\u1ea3n ng\u0103n kh\u00f4ng cho kim lo\u1ea1i ch\u1ea1m v\u00e0o nhau. \u0110i\u1ec1u n\u00e0y \u0111\u1eb7c bi\u1ec7t h\u1eefu \u00edch trong h\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng \u1ed1ng.<\/span><\/li>\n\n<li><span class=\"c9\">\u1ed0ng c\u00e1ch nhi\u1ec7t<\/span>\u00a0<span class=\"c1\">c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng xung quanh bu l\u00f4ng ho\u1eb7c \u1ed1c v\u00edt \u0111\u1ec3 ng\u0103n ch\u00fang ti\u1ebfp x\u00fac v\u1edbi c\u00e1c kim lo\u1ea1i kh\u00e1c nhau.<\/span><\/li><\/ul><h3 class=\"wp-block-heading c0 c3\" id=\"h.h2g9dvrlb7gg\"><span class=\"c8\">B\u1ea3o v\u1ec7 cat\u1ed1t<\/span><\/h3><p class=\"c0 wp-block-paragraph\"><span class=\"c1\">B\u1ea3o v\u1ec7 cat\u1ed1t l\u00e0 m\u1ed9t k\u1ef9 thu\u1eadt hi\u1ec7u qu\u1ea3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ng\u0103n ng\u1eeba s\u1ef1 \u0103n m\u00f2n tr\u00ean c\u00e1c k\u1ebft c\u1ea5u kim lo\u1ea1i v\u00e0 ch\u1ee7 y\u1ebfu c\u00f3 hai d\u1ea1ng: H\u1ec7 th\u1ed1ng d\u00f2ng \u0111i\u1ec7n c\u01b0\u1ee1ng b\u1ee9c (ICS) v\u00e0 H\u1ec7 th\u1ed1ng anode hy sinh.<\/span><\/p><ul class=\"wp-block-list c2 lst-kix_qgpww7m26ake-0 start\"><li><span class=\"c11 c9\">H\u1ec7 th\u1ed1ng d\u00f2ng \u0111i\u1ec7n \u1ea5n t\u01b0\u1ee3ng (ICS)<\/span><\/li><\/ul><p class=\"c0 wp-block-paragraph\">H\u1ec7 th\u1ed1ng d\u00f2ng \u0111i\u1ec7n \u1ea5n t\u01b0\u1ee3ng s\u1eed d\u1ee5ng ngu\u1ed3n \u0111i\u1ec7n b\u00ean ngo\u00e0i \u0111\u1ec3 cung c\u1ea5p d\u00f2ng \u0111i\u1ec7n li\u00ean t\u1ee5c, gi\u00fap b\u1ea3o v\u1ec7 c\u00e1c c\u1ea5u tr\u00fac kim lo\u1ea1i kh\u1ecfi b\u1ecb \u0103n m\u00f2n. B\u1ed9 ch\u1ec9nh l\u01b0u t\u1ea1o ra d\u00f2ng \u0111i\u1ec7n m\u1ed9t chi\u1ec1u \u0111i qua c\u00e1c anode tr\u01a1 \u0111\u01b0\u1ee3c \u0111\u1eb7t g\u1ea7n kim lo\u1ea1i \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7. Qu\u00e1 tr\u00ecnh n\u00e0y \u0111\u1ea3o ng\u01b0\u1ee3c c\u00e1c ph\u1ea3n \u1ee9ng \u0111i\u1ec7n h\u00f3a, chuy\u1ec3n \u0111\u1ed5i hi\u1ec7u qu\u1ea3 kim lo\u1ea1i th\u00e0nh cat\u1ed1t v\u00e0 gi\u1ea3m t\u1ed1c \u0111\u1ed9 \u0103n m\u00f2n.<\/p><p class=\"c0 wp-block-paragraph\"><span class=\"c1\">Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho \u0111\u01b0\u1eddng \u1ed1ng, b\u1ec3 ch\u1ee9a v\u00e0 t\u00e0u bi\u1ec3n, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u1edf nh\u1eefng khu v\u1ef1c c\u00f3 nguy c\u01a1 \u0103n m\u00f2n cao. Vi\u1ec7c gi\u00e1m s\u00e1t th\u01b0\u1eddng xuy\u00ean l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o m\u1ee9c d\u00f2ng \u0111i\u1ec7n \u0111\u1ee7 v\u00e0 anot ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng.<\/span><\/p><ul class=\"wp-block-list c2 lst-kix_7fehlblsvt2l-0 start\"><li><span class=\"c9 c11\">H\u1ec7 th\u1ed1ng Anode hy sinh<\/span><\/li><\/ul><p class=\"c0 wp-block-paragraph\"><span class=\"c1\">H\u1ec7 th\u1ed1ng Anode hy sinh b\u1ea3o v\u1ec7 c\u00e1c c\u1ea5u tr\u00fac kim lo\u1ea1i b\u1eb1ng c\u00e1ch g\u1eafn m\u1ed9t kim lo\u1ea1i ph\u1ea3n \u1ee9ng m\u1ea1nh h\u01a1n, nh\u01b0 k\u1ebdm ho\u1eb7c magi\u00ea. Anode hy sinh n\u00e0y \u0103n m\u00f2n \u01b0u ti\u00ean, b\u1ea3o v\u1ec7 kim lo\u1ea1i b\u00ean d\u01b0\u1edbi. \u00dd t\u01b0\u1edfng l\u00e0 anode s\u1ebd b\u1ecb \u0103n m\u00f2n tr\u01b0\u1edbc, ng\u0103n ng\u1eeba h\u01b0 h\u1ecfng cho c\u1ea5u tr\u00fac \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7.<\/span><\/p><p class=\"c0 wp-block-paragraph\">N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c \u1ee9ng d\u1ee5ng h\u00e0ng h\u1ea3i, bao g\u1ed3m thuy\u1ec1n v\u00e0 t\u00e0u, \u0111\u01b0\u1eddng \u1ed1ng ng\u1ea7m v\u00e0 b\u1ec3 ch\u1ee9a. Ch\u00fang cung c\u1ea5p m\u1ed9t chi\u1ebfn l\u01b0\u1ee3c hi\u1ec7u qu\u1ea3 v\u00e0 ti\u1ebft ki\u1ec7m \u0111\u1ec3 ng\u0103n ng\u1eeba \u0103n m\u00f2n. Tuy nhi\u00ean, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i th\u1ef1c hi\u1ec7n ki\u1ec3m tra th\u01b0\u1eddng xuy\u00ean v\u00e0 thay th\u1ebf c\u00e1c anode hy sinh khi c\u1ea7n thi\u1ebft, v\u00ec ch\u00fang s\u1ebd d\u1ea7n b\u1ecb m\u00f2n theo th\u1eddi gian.<\/p><h3 class=\"wp-block-heading c14 c3\" id=\"h.6ulnyy9om15u\"><span class=\"c8\">Ki\u1ec3m so\u00e1t \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng<\/span><\/h3><p class=\"c0 wp-block-paragraph\"><span class=\"c1\">Ki\u1ec3m so\u00e1t c\u00e1c \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 l\u00e0m ch\u1eadm qu\u00e1 tr\u00ecnh \u0103n m\u00f2n \u0111i\u1ec7n h\u00f3a. M\u1ed9t c\u00e1ch ti\u1ebfp c\u1eadn hi\u1ec7u qu\u1ea3 l\u00e0 qu\u1ea3n l\u00fd nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111\u1ed9 \u1ea9m c\u1ee7a m\u00f4i tr\u01b0\u1eddng xung quanh. Gi\u1ea3m \u0111\u1ed9 \u1ea9m c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m \u0111\u00e1ng k\u1ec3 s\u1ef1 ti\u1ebfp x\u00fac v\u1edbi \u0111\u1ed9 \u1ea9m, \u0111\u00e2y l\u00e0 y\u1ebfu t\u1ed1 ch\u00ednh trong qu\u00e1 tr\u00ecnh \u0103n m\u00f2n.<\/span><\/p><p class=\"c0 wp-block-paragraph\"><span class=\"c1\">Ngo\u00e0i ra, s\u1eed d\u1ee5ng ch\u1ea5t tr\u00e1m xung quanh c\u00e1c m\u1ed1i n\u1ed1i v\u00e0 k\u1ebft n\u1ed1i c\u00f3 th\u1ec3 t\u1ea1o ra m\u1ed9t l\u1edbp b\u1ea3o v\u1ec7. C\u00e1c ch\u1ea5t tr\u00e1m n\u00e0y ng\u0103n h\u01a1i \u1ea9m x\u00e2m nh\u1eadp v\u00e0 gi\u00fap b\u1ea3o v\u1ec7 c\u00e1c th\u00e0nh ph\u1ea7n nh\u1ea1y c\u1ea3m kh\u1ecfi ti\u1ebfp x\u00fac v\u1edbi c\u00e1c y\u1ebfu t\u1ed1 \u0103n m\u00f2n.<\/span><\/p><p class=\"c0 wp-block-paragraph\"><span class=\"c1\">Ki\u1ec3m tra \u0111\u1ecbnh k\u1ef3 l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 qu\u1ea3n l\u00fd \u0103n m\u00f2n hi\u1ec7u qu\u1ea3. \u0110\u00e1nh gi\u00e1 th\u01b0\u1eddng xuy\u00ean gi\u00fap ph\u00e1t hi\u1ec7n s\u1edbm c\u00e1c ch\u1ec9 s\u1ed1 \u0103n m\u00f2n, cho ph\u00e9p b\u1ea1n gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 k\u1ecbp th\u1eddi v\u00e0 ng\u0103n ng\u1eeba thi\u1ec7t h\u1ea1i l\u1edbn x\u1ea3y ra.<\/span><\/p><h3 class=\"wp-block-heading c0 c3\" id=\"h.clv8ec3wbes0\"><span class=\"c8\">S\u1eed d\u1ee5ng ch\u1ea5t \u1ee9c ch\u1ebf \u0103n m\u00f2n<\/span><\/h3><p class=\"c0 wp-block-paragraph\"><span class=\"c1\">Ch\u1ea5t \u1ee9c ch\u1ebf \u0103n m\u00f2n l\u00e0 nh\u1eefng ch\u1ea5t c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o m\u00f4i tr\u01b0\u1eddng \u0111\u1ec3 gi\u00fap gi\u1ea3m t\u1ed1c \u0111\u1ed9 \u0103n m\u00f2n. V\u00ed d\u1ee5, trong h\u1ec7 th\u1ed1ng n\u01b0\u1edbc l\u00e0m m\u00e1t, ch\u1ea5t \u1ee9c ch\u1ebf c\u1ee5 th\u1ec3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u00eam v\u00e0o \u0111\u1ec3 t\u1ea1o ra m\u1ed9t l\u1edbp b\u1ea3o v\u1ec7 tr\u00ean b\u1ec1 m\u1eb7t kim lo\u1ea1i. L\u1edbp n\u00e0y gi\u1ea3m thi\u1ec3u kh\u1ea3 n\u0103ng ph\u1ea3n \u1ee9ng c\u1ee7a kim lo\u1ea1i v\u00e0 l\u00e0m ch\u1eadm \u0111\u00e1ng k\u1ec3 qu\u00e1 tr\u00ecnh \u0103n m\u00f2n, t\u0103ng tu\u1ed5i th\u1ecd c\u1ee7a thi\u1ebft b\u1ecb. <\/span><\/p><h2 class=\"wp-block-heading c0 c3\" id=\"h.mfismpksqhu6\"><span class=\"c7\">C\u00e1c lo\u1ea1i th\u00e9p c\u1ea7n b\u1ea3o v\u1ec7 ch\u1ed1ng \u0103n m\u00f2n b\u1eb1ng m\u1ea1 \u0111i\u1ec7n<\/span><\/h2><p class=\"c6 wp-block-paragraph\"><span class=\"c9\">Th\u00e9p m\u1ea1 k\u1ebdm<\/span>: <span class=\"c1\">Khi k\u1ebft h\u1ee3p v\u1edbi c\u00e1c kim lo\u1ea1i qu\u00fd h\u01a1n nh\u01b0 \u0111\u1ed3ng ho\u1eb7c th\u00e9p kh\u00f4ng g\u1ec9, l\u1edbp m\u1ea1 k\u1ebdm tr\u00ean th\u00e9p m\u1ea1 k\u1ebdm c\u00f3 th\u1ec3 b\u1ecb \u0103n m\u00f2n nhanh h\u01a1n.<\/span><\/p><p class=\"c6 wp-block-paragraph\"><span class=\"c9\">Th\u00e9p Cacbon<\/span><span class=\"c1\">:Th\u00e9p cacbon d\u1ec5 b\u1ecb \u0103n m\u00f2n khi ti\u1ebfp x\u00fac v\u1edbi th\u00e9p kh\u00f4ng g\u1ec9 ho\u1eb7c \u0111\u1ed3ng, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong \u0111i\u1ec1u ki\u1ec7n \u1ea9m \u01b0\u1edbt ho\u1eb7c thu\u1eadn l\u1ee3i.<\/span><\/p><p class=\"c6 wp-block-paragraph\"><span class=\"c9\">Th\u00e9p h\u1ee3p kim th\u1ea5p<\/span><span class=\"c1\">:Lo\u1ea1i th\u00e9p n\u00e0y c\u0169ng d\u1ec5 b\u1ecb \u0103n m\u00f2n nhanh h\u01a1n khi k\u1ebft h\u1ee3p v\u1edbi c\u00e1c kim lo\u1ea1i nh\u01b0 nh\u00f4m, \u0111\u1ed3ng ho\u1eb7c th\u00e9p kh\u00f4ng g\u1ec9.<\/span><\/p><p class=\"c6 wp-block-paragraph\"><span class=\"c9\">Th\u00e9p kh\u00f4ng g\u1ec9<\/span><span class=\"c1\">:M\u1eb7c d\u00f9 nh\u00ecn chung c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n, m\u1ed9t s\u1ed1 lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9 nh\u01b0 th\u00e9p kh\u00f4ng g\u1ec9 304 c\u00f3 th\u1ec3 b\u1ecb \u0103n m\u00f2n khi ti\u1ebfp x\u00fac v\u1edbi th\u00e9p cacbon trong m\u00f4i tr\u01b0\u1eddng \u1ea9m \u01b0\u1edbt ho\u1eb7c c\u00f3 mu\u1ed1i.<\/span><\/p><p class=\"c6 wp-block-paragraph\"><span class=\"c9\">Gang \u0111\u00fac<\/span><span class=\"c1\">: Gang c\u00f3 th\u1ec3 b\u1ecb \u0103n m\u00f2n \u0111i\u1ec7n h\u00f3a khi ti\u1ebfp x\u00fac v\u1edbi c\u00e1c kim lo\u1ea1i nh\u01b0 th\u00e9p kh\u00f4ng g\u1ec9 ho\u1eb7c \u0111\u1ed3ng, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong \u0111i\u1ec1u ki\u1ec7n \u1ea9m \u01b0\u1edbt ho\u1eb7c \u1edf v\u00f9ng bi\u1ec3n.<\/span><\/p><h2 class=\"wp-block-heading c0 c3\" id=\"h.1fax6l4neuap\"><span class=\"c7\">Th\u00e9p m\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng t\u1ed1t h\u01a1n cho \u0103n m\u00f2n \u0111i\u1ec7n h\u00f3a<\/span><\/h2><p class=\"c0 wp-block-paragraph\"><span class=\"c1\">Th\u00e9p m\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng v\u1eabn c\u00f3 th\u1ec3 b\u1ecb \u0103n m\u00f2n \u0111i\u1ec7n h\u00f3a, nh\u01b0ng n\u00f3 c\u00f3 l\u1edbp k\u1ebdm d\u00e0y h\u01a1n \u0111\u1ec3 b\u1ea3o v\u1ec7. \u0110\u1ed9 d\u00e0y b\u1ed5 sung n\u00e0y l\u00e0m cho n\u00f3 hi\u1ec7u qu\u1ea3 h\u01a1n c\u00e1c ph\u01b0\u01a1ng ph\u00e1p m\u1ea1 k\u1ebdm kh\u00e1c trong m\u00f4i tr\u01b0\u1eddng \u0103n m\u00f2n nh\u1eb9 \u0111\u1ebfn trung b\u00ecnh. N\u1ebfu c\u1ea7n b\u1ea3o v\u1ec7 m\u1ea1nh h\u01a1n, n\u00ean s\u1eed d\u1ee5ng ph\u1ee5 ki\u1ec7n \u0111i\u1ec7n m\u00f4i ho\u1eb7c \u00e1p d\u1ee5ng l\u1edbp ph\u1ee7 b\u1ed5 sung. <\/span><\/p><p class=\"c0 wp-block-paragraph\">Nh\u00f3m Steel Pro <span class=\"c16\"><a class=\"c13\" href=\"https:\/\/www.google.com\/url?q=https:\/\/steelprogroup.com\/product-category\/galvanized-steel\/&amp;sa=D&amp;source=editors&amp;ust=1741668453308384&amp;usg=AOvVaw1mI0pdPJ-kfcly9J42Xxef\">s\u1ea3n ph\u1ea9m th\u00e9p m\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng<\/a><\/span>&nbsp;c\u00f3 l\u1edbp ph\u1ee7 k\u1ebdm d\u00e0y v\u00e0 \u0111\u1ec1u, cung c\u1ea5p kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 v\u01b0\u1ee3t tr\u1ed9i ch\u1ed1ng l\u1ea1i s\u1ef1 \u0103n m\u00f2n \u0111i\u1ec7n h\u00f3a. Ch\u00fang t\u00f4i cung c\u1ea5p <span class=\"c16\"><a class=\"c13\" href=\"https:\/\/www.google.com\/url?q=https:\/\/steelprogroup.com\/contact-us\/&amp;sa=D&amp;source=editors&amp;ust=1741668453308603&amp;usg=AOvVaw2HFJSED3lK2GyOrJXooIUC\">t\u00f9y ch\u1ecdn t\u00f9y ch\u1ec9nh<\/a><\/span><span class=\"c1\">&nbsp;\u0111\u1ec3 bi\u1ebft \u0111\u1ed9 d\u00e0y l\u1edbp ph\u1ee7 v\u00e0 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd b\u1ed5 sung d\u1ef1a tr\u00ean nhu c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a d\u1ef1 \u00e1n. <\/span><\/p><p class=\"c0 wp-block-paragraph\"><span class=\"c1\">V\u1edbi kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t ch\u00ednh x\u00e1c qu\u00e1 tr\u00ecnh m\u1ea1 k\u1ebdm, Steel Pro \u0111\u1ea3m b\u1ea3o v\u1eadt li\u1ec7u c\u1ee7a b\u1ea1n s\u1ebd b\u1ec1n l\u00e2u cho d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n.<\/span><\/p><p class=\"wp-block-paragraph\">&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>\u0110\u1ea3m b\u1ea3o \u0111\u1ed9 b\u1ec1n cho c\u00e1c d\u1ef1 \u00e1n kim lo\u1ea1i c\u1ee7a b\u1ea1n b\u1eb1ng c\u00e1ch t\u00ecm hi\u1ec3u c\u00e1ch ng\u0103n ng\u1eeba \u0103n m\u00f2n \u0111i\u1ec7n h\u00f3a ngay t\u1eeb \u0111\u1ea7u.<\/p>","protected":false},"author":1,"featured_media":21598,"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":[4314],"tags":[],"class_list":["post-21597","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-maintenance-galvanized-steel"],"acf":[],"_links":{"self":[{"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/posts\/21597","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=21597"}],"version-history":[{"count":0,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/posts\/21597\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/media\/21598"}],"wp:attachment":[{"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/media?parent=21597"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/categories?post=21597"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/tags?post=21597"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}