{"id":7952,"date":"2026-07-06T05:37:15","date_gmt":"2026-07-06T05:37:15","guid":{"rendered":"https:\/\/www.shandongruiying.com\/?p=7952"},"modified":"2026-07-06T05:44:54","modified_gmt":"2026-07-06T05:44:54","slug":"304-316-stainless-steel-pipe-marine-project-service-life-maintenance-tips","status":"publish","type":"post","link":"https:\/\/www.shandongruiying.com\/vi\/304-316-stainless-steel-pipe-marine-project-service-life-maintenance-tips\/","title":{"rendered":"\u1ed0ng th\u00e9p kh\u00f4ng g\u1ec9 304 \/ 316: Tu\u1ed5i th\u1ecd trong c\u00e1c d\u1ef1 \u00e1n h\u00e0ng h\u1ea3i v\u00e0 c\u00e1c m\u1eb9o b\u1ea3o tr\u00ec"},"content":{"rendered":"

1. \u0110i\u1ec3m kh\u00e1c bi\u1ec7t c\u1ed1t l\u00f5i gi\u1eefa th\u00e9p kh\u00f4ng g\u1ec9 304 v\u00e0 316 trong m\u00f4i tr\u01b0\u1eddng h\u00e0ng h\u1ea3i<\/strong><\/strong><\/h2>\n\n\n\n

N\u01b0\u1edbc bi\u1ec3n ch\u1ee9a h\u00e0m l\u01b0\u1ee3ng ion clorua cao, d\u1ec5 g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng \u0103n m\u00f2n r\u1ed7 tr\u00ean b\u1ec1 m\u1eb7t kim lo\u1ea1i, t\u1ea1o ra m\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c c\u00f3 t\u00ednh \u0103n m\u00f2n kh\u1eafc nghi\u1ec7t \u0111\u1ed1i v\u1edbi c\u00e1c d\u1ef1 \u00e1n ngo\u00e0i kh\u01a1i, c\u1ea3ng ven bi\u1ec3n, t\u00e0u thuy\u1ec1n v\u00e0 c\u00e1c d\u1ef1 \u00e1n kh\u1eed m\u1eb7n n\u01b0\u1edbc bi\u1ec3n.<\/p>\n\n\n\n

\u2022 \u1ed0ng th\u00e9p kh\u00f4ng g\u1ec9 304:<\/strong> S\u1ea3n ph\u1ea9m n\u00e0y ch\u1ee9a h\u1ee3p kim niken 8%\u201310% v\u00e0 kh\u00f4ng ch\u1ee9a molypden. S\u1ea3n ph\u1ea9m ho\u1ea1t \u0111\u1ed9ng t\u1ed1t trong m\u00f4i tr\u01b0\u1eddng kh\u00ed quy\u1ec3n ven bi\u1ec3n, n\u01a1i th\u1ec9nh tho\u1ea3ng c\u00f3 n\u01b0\u1edbc bi\u1ec3n b\u1eafn v\u00e0o. Tu\u1ed5i th\u1ecd c\u1ee7a s\u1ea3n ph\u1ea9m khi \u0111\u01b0\u1ee3c b\u1ea3o d\u01b0\u1ee1ng \u0111\u1ecbnh k\u1ef3 c\u00f3 th\u1ec3 \u0111\u1ea1t 8\u201312 n\u0103m. Vi\u1ec7c ng\u00e2m ho\u00e0n to\u00e0n trong n\u01b0\u1edbc bi\u1ec3n trong th\u1eddi gian d\u00e0i s\u1ebd d\u1eabn \u0111\u1ebfn xu\u1ea5t hi\u1ec7n nhanh ch\u00f3ng c\u00e1c v\u1ebft r\u1ec9 s\u00e9t tr\u00ean b\u1ec1 m\u1eb7t v\u00e0 \u0103n m\u00f2n th\u1ee7ng.<\/p>\n\n\n\n

\u2022 \u1ed0ng th\u00e9p kh\u00f4ng g\u1ec9 316:<\/strong> \u0110\u00e3 b\u1ed5 sung nguy\u00ean t\u1ed1 molypden 2%\u20133%, v\u1eadt li\u1ec7u ch\u1ed1ng \u0103n m\u00f2n do clorua l\u00e0 y\u1ebfu t\u1ed1 c\u1ed1t l\u00f5i. \u0110\u00e2y l\u00e0 v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c \u01b0u ti\u00ean s\u1eed d\u1ee5ng cho c\u00e1c \u0111\u01b0\u1eddng \u1ed1ng bi\u1ec3n ng\u1eadp ho\u00e0n to\u00e0n, h\u1ec7 th\u1ed1ng d\u1eabn n\u01b0\u1edbc bi\u1ec3n v\u00e0 h\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng \u1ed1ng tr\u00ean gi\u00e0n khoan ngo\u00e0i kh\u01a1i. V\u1edbi l\u1edbp b\u1ea3o v\u1ec7 ch\u1ed1ng \u0103n m\u00f2n ti\u00eau chu\u1ea9n, tu\u1ed5i th\u1ecd c\u1ee7a v\u1eadt li\u1ec7u n\u00e0y c\u00f3 th\u1ec3 k\u00e9o d\u00e0i l\u00ean \u0111\u1ebfn 15\u201325 n\u0103m, v\u01b0\u1ee3t xa th\u00e9p lo\u1ea1i 304 trong c\u00e1c t\u00ecnh hu\u1ed1ng ti\u1ebfp x\u00fac li\u00ean t\u1ee5c v\u1edbi n\u01b0\u1edbc bi\u1ec3n.<\/p>\n\n\n\n

2. C\u00e1c y\u1ebfu t\u1ed1 ch\u00ednh \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn tu\u1ed5i th\u1ecd ho\u1ea1t \u0111\u1ed9ng tr\u00ean bi\u1ec3n<\/strong><\/strong><\/h2>\n\n\n\n

1. N\u1ed3ng \u0111\u1ed9 clorua: Vi\u1ec7c ng\u00e2m ho\u00e0n to\u00e0n trong n\u01b0\u1edbc bi\u1ec3n g\u00e2y ra nguy c\u01a1 \u0103n m\u00f2n cao h\u01a1n nhi\u1ec1u so v\u1edbi c\u00e1c khu v\u1ef1c b\u1ecb n\u01b0\u1edbc bi\u1ec3n b\u1eafn tung t\u00f3e do gi\u00f3 bi\u1ec3n.<\/p>\n\n\n\n

2. B\u1ec1 m\u1eb7t ho\u00e0n thi\u1ec7n: \u1ed0ng th\u00e9p kh\u00f4ng g\u1ec9 \u0111\u01b0\u1ee3c \u0111\u00e1nh b\u00f3ng c\u00f3 b\u1ec1 m\u1eb7t m\u1ecbn h\u01a1n v\u00e0 \u00edt \u0111i\u1ec3m b\u00e1m \u0103n m\u00f2n h\u01a1n so v\u1edbi b\u1ec1 m\u1eb7t th\u00f4 sau khi t\u1ea9y axit.<\/p>\n\n\n\n

3. Ch\u1ea5t l\u01b0\u1ee3ng h\u00e0n: C\u00e1c \u0111\u01b0\u1eddng h\u00e0n ch\u01b0a \u0111\u01b0\u1ee3c m\u00e0i nh\u1eb5n l\u00e0 \u0111i\u1ec3m h\u01b0 h\u1ecfng do \u0103n m\u00f2n ph\u1ed5 bi\u1ebfn nh\u1ea5t \u1edf c\u00e1c \u1ed1ng th\u00e9p kh\u00f4ng g\u1ec9 d\u00f9ng trong h\u00e0ng h\u1ea3i.<\/p>\n\n\n\n

4. Thi\u1ebft k\u1ebf l\u1eafp \u0111\u1eb7t: N\u01b0\u1edbc bi\u1ec3n \u1ee9 \u0111\u1ecdng t\u00edch t\u1ee5 \u1edf c\u00e1c g\u00f3c ch\u1ebft c\u1ee7a \u0111\u01b0\u1eddng \u1ed1ng l\u00e0m gia t\u0103ng t\u1ed1c \u0111\u1ed9 \u0103n m\u00f2n r\u1ed7 c\u1ee5c b\u1ed9.<\/p>\n\n\n\n

5. L\u1edbp ph\u1ee7 b\u00ean ngo\u00e0i: S\u01a1n ch\u1ed1ng b\u00e1m b\u1ea9n v\u00e0 h\u1ec7 th\u1ed1ng b\u1ea3o v\u1ec7 cat\u1ed1t gi\u00fap k\u00e9o d\u00e0i \u0111\u00e1ng k\u1ec3 tu\u1ed5i th\u1ecd t\u1ed5ng th\u1ec3 c\u1ee7a c\u00e1c \u0111\u01b0\u1eddng \u1ed1ng ng\u1ea7m d\u01b0\u1edbi n\u01b0\u1edbc.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

3. H\u01b0\u1edbng d\u1eabn b\u1ea3o tr\u00ec h\u00e0ng ng\u00e0y v\u00e0 d\u00e0i h\u1ea1n<\/strong><\/strong><\/h2>\n\n\n\n

3.1 B\u1ea3o d\u01b0\u1ee1ng \u0111\u1ecbnh k\u1ef3 th\u01b0\u1eddng xuy\u00ean<\/strong><\/strong><\/p>\n\n\n\n

\u2022 \u0110\u1ed1i v\u1edbi c\u00e1c \u0111\u01b0\u1eddng \u1ed1ng n\u1eb1m trong v\u00f9ng b\u1eafn t\u00f3e n\u01b0\u1edbc ven bi\u1ec3n: C\u1ea7n l\u00e0m s\u1ea1ch c\u1eb7n mu\u1ed1i b\u00e1m tr\u00ean b\u1ec1 m\u1eb7t b\u1eb1ng c\u00e1ch x\u1ea3 n\u01b0\u1edbc ng\u1ecdt \u00e1p l\u1ef1c cao m\u1ed7i 1\u20132 th\u00e1ng \u0111\u1ec3 lo\u1ea1i b\u1ecf s\u1ef1 t\u00edch t\u1ee5 clorua.<\/p>\n\n\n\n

\u2022 Ki\u1ec3m tra c\u00e1c m\u1ed1i h\u00e0n, gi\u00e1 \u0111\u1ee1 \u1ed1ng v\u00e0 c\u00e1c m\u1ed1i n\u1ed1i m\u1eb7t b\u00edch h\u00e0ng qu\u00fd; ki\u1ec3m tra xem c\u00f3 c\u00e1c v\u1ebft r\u1ec9 s\u00e9t nh\u1ecf, r\u00f2 r\u1ec9 n\u01b0\u1edbc v\u00e0 l\u1edbp s\u01a1n b\u1ecb bong tr\u00f3c hay kh\u00f4ng.<\/p>\n\n\n\n

\u2022 Tr\u00e1nh \u0111\u1ec3 \u1ed1ng th\u00e9p kh\u00f4ng g\u1ec9 ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp v\u1edbi gi\u00e1 \u0111\u1ee1 b\u1eb1ng th\u00e9p cacbon; s\u1eed d\u1ee5ng mi\u1ebfng \u0111\u1ec7m c\u00e1ch \u0111i\u1ec7n \u0111\u1ec3 ng\u0103n ng\u1eeba hi\u1ec7n t\u01b0\u1ee3ng \u0103n m\u00f2n \u0111i\u1ec7n h\u00f3a.<\/p>\n\n\n\n

3.2 X\u1eed l\u00fd ch\u1ed1ng \u0103n m\u00f2n chuy\u00ean nghi\u1ec7p<\/strong><\/strong><\/p>\n\n\n\n

\u2022 Sau khi l\u1eafp \u0111\u1eb7t \u0111\u01b0\u1eddng \u1ed1ng, c\u1ea7n \u0111\u00e1nh b\u00f3ng k\u1ef9 c\u00e1c \u0111\u01b0\u1eddng h\u00e0n \u0111\u1ec3 lo\u1ea1i b\u1ecf l\u1edbp oxit v\u00e0 x\u1ec9 h\u00e0n.<\/p>\n\n\n\n

\u2022 Ph\u1ee7 l\u1edbp s\u01a1n ch\u1ed1ng mu\u1ed1i chuy\u00ean d\u1ee5ng cho m\u00f4i tr\u01b0\u1eddng bi\u1ec3n l\u00ean th\u00e0nh ngo\u00e0i c\u1ee7a c\u00e1c \u0111\u01b0\u1eddng \u1ed1ng n\u1eb1m tr\u00ean m\u1eb7t n\u01b0\u1edbc; s\u1eed d\u1ee5ng l\u1edbp s\u01a1n ch\u1ed1ng b\u00e1m sinh v\u1eadt cho c\u00e1c \u0111o\u1ea1n \u0111\u01b0\u1eddng \u1ed1ng ng\u1eadp n\u01b0\u1edbc nh\u1eb1m ng\u0103n ch\u1eb7n s\u1ef1 b\u00e1m d\u00ednh c\u1ee7a c\u00e1c sinh v\u1eadt bi\u1ec3n.<\/p>\n\n\n\n

\u2022 \u0110\u1ed1i v\u1edbi c\u00f4ng tr\u00ecnh k\u1ef9 thu\u1eadt d\u01b0\u1edbi \u0111\u00e1y bi\u1ec3n s\u00e2u, c\u1ea7n l\u1eafp \u0111\u1eb7t h\u1ec7 th\u1ed1ng b\u1ea3o v\u1ec7 cat\u1ed1t b\u1eb1ng c\u1ef1c hy sinh \u0111\u1ec3 l\u00e0m ch\u1eadm qu\u00e1 tr\u00ecnh \u0103n m\u00f2n \u0111\u1ed3ng \u0111\u1ec1u tr\u00ean th\u00e0nh \u1ed1ng.<\/p>\n\n\n\n

3.3 X\u1eed l\u00fd kh\u1ea9n c\u1ea5p c\u00e1c \u0111i\u1ec3m b\u1ecb \u0103n m\u00f2n<\/strong><\/strong><\/p>\n\n\n\n

\u2022 C\u00e1c v\u1ebft r\u1ec9 s\u00e9t nh\u1ecf tr\u00ean b\u1ec1 m\u1eb7t: Ch\u00e0 b\u00f3ng b\u1eb1ng kem th\u1ee5 \u0111\u1ed9ng h\u00f3a d\u00e0nh cho th\u00e9p kh\u00f4ng g\u1ec9, r\u1eeda s\u1ea1ch k\u1ef9 l\u01b0\u1ee1ng v\u00e0 phun l\u1ea1i l\u1edbp ph\u1ee7 b\u1ea3o v\u1ec7.<\/p>\n\n\n\n

\u2022 \u0102n m\u00f2n l\u1ed7 c\u1ee5c b\u1ed9: M\u00e0i s\u1ea1ch ho\u00e0n to\u00e0n khu v\u1ef1c b\u1ecb \u0103n m\u00f2n, th\u1ef1c hi\u1ec7n x\u1eed l\u00fd th\u1ee5 \u0111\u1ed9ng h\u00f3a l\u1ea7n hai v\u00e0 gia c\u1ed1 b\u1eb1ng s\u01a1n ch\u1ed1ng \u0103n m\u00f2n c\u00f3 \u0111\u1ed9 d\u00e0y cao.<\/p>\n\n\n\n

\u2022 Th\u00e0nh \u1ed1ng b\u1ecb th\u1ee7ng: Thay th\u1ebf ngay \u0111o\u1ea1n \u1ed1ng \u0111\u00f3 \u0111\u1ec3 tr\u00e1nh r\u00f2 r\u1ec9 n\u01b0\u1edbc bi\u1ec3n, g\u00e2y nguy hi\u1ec3m cho an to\u00e0n c\u1ee7a thi\u1ebft b\u1ecb h\u00e0ng h\u1ea3i.<\/p>\n\n\n\n

4. C\u00e1c \u0111\u1ec1 xu\u1ea5t v\u1ec1 mua s\u1eafm v\u00e0 giao h\u00e0ng d\u00e0nh cho c\u00e1c nh\u00e0 mua h\u00e0ng h\u00e0ng h\u1ea3i n\u01b0\u1edbc ngo\u00e0i<\/strong><\/strong><\/h2>\n\n\n\n

1. L\u1ef1a ch\u1ecdn c\u00e1c lo\u1ea1i \u1ed1ng li\u1ec1n m\u1ea1ch \u0111\u00e3 qua x\u1eed l\u00fd b\u1ec1 m\u1eb7t s\u00e1ng b\u00f3ng d\u00e0nh cho c\u00e1c d\u1ef1 \u00e1n h\u00e0ng h\u1ea3i, v\u00e0 y\u00eau c\u1ea7u cung c\u1ea5p ch\u1ee9ng ch\u1ec9 th\u1eed nghi\u1ec7m v\u1eadt li\u1ec7u (MTC) \u0111\u1ec3 x\u00e1c minh h\u00e0m l\u01b0\u1ee3ng molypden trong th\u00e9p kh\u00f4ng g\u1ec9 lo\u1ea1i 316.<\/p>\n\n\n\n

2. Y\u00eau c\u1ea7u ph\u1ea3i th\u1ef1c hi\u1ec7n x\u1eed l\u00fd th\u1ee5 \u0111\u1ed9ng t\u1ea1i nh\u00e0 m\u00e1y tr\u01b0\u1edbc khi xu\u1ea5t x\u01b0\u1edfng \u0111\u1ec3 t\u1ea1o th\u00e0nh m\u1ed9t l\u1edbp m\u00e0ng ch\u1ed1ng \u0103n m\u00f2n d\u00e0y \u0111\u1eb7c tr\u00ean th\u00e0nh trong v\u00e0 th\u00e0nh ngo\u00e0i c\u1ee7a \u1ed1ng.<\/p>\n\n\n\n

3. \u0110\u00f3ng g\u00f3i ch\u1ed1ng g\u1ec9: Qu\u1ea5n \u1ed1ng b\u1eb1ng gi\u1ea5y ch\u1ed1ng \u0103n m\u00f2n VCI, b\u1ecdc k\u00edn b\u1eb1ng m\u00e0ng nh\u1ef1a v\u00e0 \u0111\u1eb7t ch\u1ea5t h\u00fat \u1ea9m kh\u00f4 v\u00e0o b\u00ean trong th\u00f9ng ch\u1ee9a \u0111\u1ec3 tr\u00e1nh hi\u1ec7n t\u01b0\u1ee3ng \u0103n m\u00f2n do s\u01b0\u01a1ng mu\u1ed1i trong qu\u00e1 tr\u00ecnh v\u1eadn chuy\u1ec3n \u0111\u01b0\u1eddng bi\u1ec3n d\u00e0i ng\u00e0y.<\/p>\n\n\n\n

4. Gia c\u00f4ng theo y\u00eau c\u1ea7u: Y\u00eau c\u1ea7u \u0111\u00e1nh b\u00f3ng to\u00e0n b\u1ed9 c\u00e1c v\u00f9ng h\u00e0n, c\u1eaft s\u1eb5n theo chi\u1ec1u d\u00e0i c\u1ed1 \u0111\u1ecbnh v\u00e0 gia c\u00f4ng s\u1eb5n c\u00e1c m\u1eb7t b\u00edch nh\u1eb1m gi\u1ea3m thi\u1ec3u c\u00e1c c\u00f4ng \u0111o\u1ea1n gia c\u00f4ng th\u1ee9 c\u1ea5p t\u1ea1i c\u00f4ng tr\u01b0\u1eddng c\u0169ng nh\u01b0 nguy c\u01a1 \u0103n m\u00f2n.<\/p>\n\n\n\n

K\u1ebft lu\u1eadn<\/strong><\/strong><\/h2>\n\n\n\n

\u1ed0ng th\u00e9p kh\u00f4ng g\u1ec9 304 l\u00e0 l\u1ef1a ch\u1ecdn hi\u1ec7u qu\u1ea3 v\u1ec1 chi ph\u00ed cho c\u00e1c d\u1ef1 \u00e1n ti\u1ebfp x\u00fac v\u1edbi kh\u00f4ng kh\u00ed ven bi\u1ec3n, trong khi \u1ed1ng th\u00e9p kh\u00f4ng g\u1ec9 316 l\u00e0 v\u1eadt li\u1ec7u ti\u00eau chu\u1ea9n cho t\u1ea5t c\u1ea3 c\u00e1c h\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng \u1ed1ng ng\u1ea7m d\u01b0\u1edbi bi\u1ec3n. Vi\u1ec7c tu\u00e2n th\u1ee7 nghi\u00eam ng\u1eb7t c\u00e1c quy tr\u00ecnh l\u1eafp \u0111\u1eb7t ti\u00eau chu\u1ea9n v\u00e0 th\u1ef1c hi\u1ec7n b\u1ea3o tr\u00ec t\u1ea9y mu\u1ed1i \u0111\u1ecbnh k\u1ef3 c\u00f3 th\u1ec3 t\u1ed1i \u0111a h\u00f3a tu\u1ed5i th\u1ecd c\u1ee7a \u1ed1ng th\u00e9p kh\u00f4ng g\u1ec9, gi\u1ea3m chi ph\u00ed thay th\u1ebf cho d\u1ef1 \u00e1n v\u00e0 tr\u00e1nh nh\u1eefng t\u1ed5n th\u1ea5t do ph\u1ea3i ng\u1eebng ho\u1ea1t \u0111\u1ed9ng \u0111\u1ed9t ng\u1ed9t trong c\u00e1c d\u1ef1 \u00e1n k\u1ef9 thu\u1eadt h\u00e0ng h\u1ea3i.<\/p>\n\n\n\n

<\/p>","protected":false},"excerpt":{"rendered":"

1. Core Difference of 304 & 316 Stainless Steel for Marine Environment Seawater contains high chloride ions, which easily trigger pitting corrosion on metal surfaces, creating a harsh corrosive working environment for offshore, coastal port, ship and seawater desalination projects. \u2022 304 stainless steel pipe: It contains 8%\u201310% nickel and no molybdenum. It works well in […]<\/p>","protected":false},"author":1,"featured_media":7954,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_seopress_titles_title":"304 vs 316 Stainless Steel Pipe | Marine Service Life, Corrosion Resistance & Maintenance Guide","_seopress_titles_desc":"Compare service life of 304 and 316 stainless steel pipes in marine environments. 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