{"id":6856,"date":"2023-12-07T00:13:24","date_gmt":"2023-12-06T16:13:24","guid":{"rendered":"https:\/\/xzfastener.com\/?p=6856"},"modified":"2026-06-23T00:14:52","modified_gmt":"2026-06-22T16:14:52","slug":"corrosion-resistance-comparison-zinc-hdg-stainless-steel-and-dacromet","status":"publish","type":"post","link":"https:\/\/xzfastener.com\/vi\/corrosion-resistance-comparison-zinc-hdg-stainless-steel-and-dacromet\/","title":{"rendered":"So s\u00e1nh kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n: K\u1ebdm, HDG, Th\u00e9p kh\u00f4ng g\u1ec9 v\u00e0 Dacromet"},"content":{"rendered":"

Vi\u1ec7c l\u1ef1a ch\u1ecdn \u1ed1c v\u00edt ch\u1ed1ng \u0103n m\u00f2n kh\u00f4ng \u0111\u01a1n gi\u1ea3n nh\u01b0 y\u00eau c\u1ea7u \u201cl\u1edbp ph\u1ee7 ch\u1ed1ng g\u1ec9\u201d. Trong c\u00e1c d\u1ef1 \u00e1n th\u1ef1c t\u1ebf, t\u00f4i \u0111\u00e3 th\u1ea5y c\u00e1c bu l\u00f4ng m\u1ea1 k\u1ebdm b\u1ecb h\u1ecfng ngo\u00e0i tr\u1eddi, th\u00e9p kh\u00f4ng g\u1ec9 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u1edf nh\u1eefng n\u01a1i c\u1ea7n th\u00e9p carbon c\u01b0\u1eddng \u0111\u1ed9 cao v\u00e0 c\u00e1c s\u1ee3i m\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng b\u1ecb lo\u1ea1i v\u00ec kh\u00f4ng ki\u1ec3m tra \u0111\u01b0\u1ee3c \u0111\u1ed9 kh\u00edt c\u1ee7a \u0111ai \u1ed1c.<\/p>\n\n\n\n

S\u1ef1 l\u1ef1a ch\u1ecdn \u0111\u00fang \u0111\u1eafn ph\u1ee5 thu\u1ed9c v\u00e0o m\u00f4i tr\u01b0\u1eddng, y\u00eau c\u1ea7u v\u1ec1 \u0111\u1ed9 b\u1ec1n, \u0111\u1ed9 v\u1eeba v\u1eb7n c\u1ee7a ren, chi ph\u00ed v\u00e0 tu\u1ed5i th\u1ecd s\u1eed d\u1ee5ng.<\/p>\n\n\n\n

C\u00e1c t\u00f9y ch\u1ecdn b\u1ea3o v\u1ec7 ch\u1ed1ng \u0103n m\u00f2n ch\u00ednh<\/h2>\n\n\n\n

m\u1ea1 k\u1ebdm<\/h3>\n\n\n\n

M\u1ea1 k\u1ebdm l\u00e0 ph\u1ed5 bi\u1ebfn cho c\u00e1c \u1ed1c v\u00edt c\u00f4ng nghi\u1ec7p trong nh\u00e0 v\u00e0 c\u00f4ng nghi\u1ec7p nh\u1eb9. N\u00f3 mang l\u1ea1i v\u1ebb ngo\u00e0i s\u1ea1ch s\u1ebd, k\u00edch th\u01b0\u1edbc \u1ed5n \u0111\u1ecbnh v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n ti\u1ebft ki\u1ec7m.<\/p>\n\n\n\n

N\u00f3 ph\u00f9 h\u1ee3p cho m\u00e1y m\u00f3c th\u00f4ng th\u01b0\u1eddng, t\u1ee7, gi\u00e1 \u0111\u1ee1 v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn kh\u00f4 trong nh\u00e0.<\/p>\n\n\n\n

\u0110\u1ed1i v\u1edbi c\u00e1c \u1ed1c v\u00edt m\u1ea1 \u0111i\u1ec7n c\u00f3 \u0111\u1ed9 b\u1ec1n cao, ng\u01b0\u1eddi mua n\u00ean xem x\u00e9t c\u1ea9n th\u1eadn vi\u1ec7c ki\u1ec3m so\u00e1t \u0111\u1ed9 gi\u00f2n do hydro. \u0110i\u1ec1u n\u00e0y \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi bu l\u00f4ng lo\u1ea1i 10.9 v\u00e0 12.9.<\/p>\n\n\n\n

M\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng<\/h3>\n\n\n\n

M\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng, hay c\u00f2n g\u1ecdi l\u00e0 HDG, cung c\u1ea5p l\u1edbp k\u1ebdm d\u00e0y h\u01a1n so v\u1edbi m\u1ea1 \u0111i\u1ec7n th\u00f4ng th\u01b0\u1eddng. N\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c c\u00f4ng tr\u00ecnh ngo\u00e0i tr\u1eddi, bu l\u00f4ng neo, ph\u1ea7n c\u1ee9ng ti\u1ec7n \u00edch, lan can v\u00e0 \u1ed1c v\u00edt x\u00e2y d\u1ef1ng.<\/p>\n\n\n\n

S\u1ef1 th\u1eadn tr\u1ecdng ch\u00ednh l\u00e0 ph\u00f9 h\u1ee3p v\u1edbi ch\u1ee7 \u0111\u1ec1. L\u1edbp ph\u1ee7 d\u00e0y h\u01a1n n\u00ean c\u00e1c \u0111ai \u1ed1c v\u00e0 ren b\u00ean trong ph\u1ea3i \u0111\u01b0\u1ee3c kh\u1edbp ch\u00ednh x\u00e1c sau khi m\u1ea1.<\/p>\n\n\n\n

th\u00e9p kh\u00f4ng g\u1ec9<\/h3>\n\n\n\n

Ch\u1ed1t b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 ch\u1ed1ng \u0103n m\u00f2n th\u00f4ng qua ch\u00ednh v\u1eadt li\u1ec7u, kh\u00f4ng ch\u1ec9 th\u00f4ng qua l\u1edbp ph\u1ee7 b\u1ec1 m\u1eb7t. C\u00e1c c\u1ea5p \u0111\u1ed9 ph\u1ed5 bi\u1ebfn bao g\u1ed3m 304 v\u00e0 316. \u0110\u1ed1i v\u1edbi m\u00f4i tr\u01b0\u1eddng clorua, bi\u1ec3n ho\u1eb7c r\u1eeda tr\u00f4i, 316 th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u01b0a th\u00edch h\u01a1n.<\/p>\n\n\n\n

Tuy nhi\u00ean, th\u00e9p kh\u00f4ng g\u1ec9 kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng b\u1ec1n h\u01a1n th\u00e9p h\u1ee3p kim \u0111\u01b0\u1ee3c x\u1eed l\u00fd nhi\u1ec7t. Ng\u01b0\u1eddi mua n\u00ean x\u00e1c nh\u1eadn c\u1ea5p \u0111\u1ed9 c\u01a1 h\u1ecdc, r\u1ee7i ro kh\u00f3 ch\u1ecbu v\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch c\u1ee7a v\u1eadt li\u1ec7u giao ph\u1ed1i.<\/p>\n\n\n\n

Dacromet \/ L\u1edbp ph\u1ee7 v\u1ea3y k\u1ebdm<\/h3>\n\n\n\n

Dacromet th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u01b0 m\u1ed9t thu\u1eadt ng\u1eef th\u1ecb tr\u01b0\u1eddng cho c\u00e1c h\u1ec7 th\u1ed1ng ph\u1ee7 v\u1ea3y k\u1ebdm. Nh\u1eefng l\u1edbp ph\u1ee7 n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn khi ng\u01b0\u1eddi mua c\u1ea7n kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n cao h\u01a1n so v\u1edbi m\u1ea1 k\u1ebdm ti\u00eau chu\u1ea9n v\u00e0 mu\u1ed1n gi\u1ea3m b\u1edbt m\u1ed1i lo ng\u1ea1i v\u1ec1 hi\u1ec7n t\u01b0\u1ee3ng gi\u00f2n hydro li\u00ean quan \u0111\u1ebfn m\u1ea1 \u0111i\u1ec7n.<\/p>\n\n\n\n

Ch\u00fang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong \u00f4 t\u00f4, m\u00e1y m\u00f3c, n\u0103ng l\u01b0\u1ee3ng gi\u00f3 v\u00e0 \u1ed1c v\u00edt thi\u1ebft b\u1ecb ngo\u00e0i tr\u1eddi.<\/p>\n\n\n\n

So s\u00e1nh nhanh cho ng\u01b0\u1eddi mua<\/h2>\n\n\n\n
T\u00f9y ch\u1ecdn<\/th>S\u1eed d\u1ee5ng t\u1ed1t nh\u1ea5t<\/th>\u01afu \u0111i\u1ec3m ch\u00ednh<\/th>Th\u1eadn tr\u1ecdng ch\u00ednh<\/th><\/tr><\/thead>
M\u1ea1 k\u1ebdm<\/td>Trong nh\u00e0, \u00e1nh s\u00e1ng ngo\u00e0i tr\u1eddi<\/td>Chi ph\u00ed th\u1ea5p, ho\u00e0n thi\u1ec7n s\u1ea1ch s\u1ebd<\/td>Tu\u1ed5i th\u1ecd \u0103n m\u00f2n h\u1ea1n ch\u1ebf ngo\u00e0i tr\u1eddi<\/td><\/tr>
HDG<\/td>X\u00e2y d\u1ef1ng ngo\u00e0i tr\u1eddi v\u00e0 neo<\/td>B\u1ea3o v\u1ec7 k\u1ebdm d\u00e0y<\/td>S\u1ef1 ph\u00f9 h\u1ee3p c\u1ee7a ch\u1ec9 ph\u1ea3i \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t<\/td><\/tr>
Th\u00e9p kh\u00f4ng g\u1ec9<\/td>Khu v\u1ef1c bi\u1ec3n, \u1ea9m \u01b0\u1edbt, h\u00f3a ch\u1ea5t<\/td>Ch\u1ed1ng \u0103n m\u00f2n qua v\u1eadt li\u1ec7u<\/td>Chi ph\u00ed v\u00e0 s\u1ee9c m\u1ea1nh ph\u1ea3i \u0111\u01b0\u1ee3c ki\u1ec3m tra<\/td><\/tr>
Dacromet \/ m\u1ea3nh k\u1ebdm<\/td>\u00d4 t\u00f4, m\u00e1y m\u00f3c, l\u1eafp r\u00e1p ngo\u00e0i tr\u1eddi<\/td>Ch\u1ed1ng \u0103n m\u00f2n m\u1ea1nh, t\u1ed1t cho c\u00e1c b\u1ed9 ph\u1eadn c\u00f3 \u0111\u1ed9 b\u1ec1n cao<\/td>Th\u00f4ng s\u1ed1 l\u1edbp ph\u1ee7 v\u00e0 v\u1ea5n \u0111\u1ec1 ki\u1ec3m so\u00e1t ma s\u00e1t<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u0110\u1ec3 l\u1ef1a ch\u1ecdn l\u1edbp ph\u1ee7, ng\u01b0\u1eddi mua c\u00f3 th\u1ec3 xem x\u00e9t \u1ed1c v\u00edt tr\u00e1ng kh\u00e1c nhau<\/a>. \u0110\u1ed1i v\u1edbi c\u00e1c t\u00f9y ch\u1ecdn kh\u00f4ng g\u1ec9, xem \u1ed1c v\u00edt b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9<\/a>.<\/p>\n\n\n\n

Quy t\u1eafc l\u1ef1a ch\u1ecdn<\/h2>\n\n\n\n

K\u1ebft h\u1ee3p l\u1edbp ph\u1ee7 v\u1edbi \u0111i\u1ec1u ki\u1ec7n l\u00e0m vi\u1ec7c<\/h3>\n\n\n\n

S\u1eed d\u1ee5ng m\u1ea1 k\u1ebdm cho m\u00f4i tr\u01b0\u1eddng trong nh\u00e0 ho\u1eb7c m\u00f4i tr\u01b0\u1eddng c\u00f3 r\u1ee7i ro th\u1ea5p.
S\u1eed d\u1ee5ng HDG cho k\u1ebft c\u1ea5u th\u00e9p ngo\u00e0i tr\u1eddi v\u00e0 neo m\u00f3ng.
S\u1eed d\u1ee5ng th\u00e9p kh\u00f4ng g\u1ec9 khi kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n ph\u1ea3i \u0111\u01b0\u1ee3c duy tr\u00ec ngay c\u1ea3 khi b\u1ec1 m\u1eb7t b\u1ecb tr\u1ea7y x\u01b0\u1edbc.
S\u1eed d\u1ee5ng l\u1edbp ph\u1ee7 v\u1ea3y k\u1ebdm khi kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n, \u0111\u1ed9 d\u00e0y \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t v\u00e0 \u0111\u1ed9 an to\u00e0n c\u1ee7a chi ti\u1ebft si\u1ebft ch\u1eb7t c\u01b0\u1eddng \u0111\u1ed9 cao \u0111\u1ec1u quan tr\u1ecdng.<\/p>\n\n\n\n

\u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng ch\u1ecbu t\u1ea3i, h\u00e3y xem l\u1ea1i \u1ed1c v\u00edt c\u01b0\u1eddng \u0111\u1ed9 cao<\/a> tr\u01b0\u1edbc khi x\u00e1c nh\u1eadn l\u1edbp ph\u1ee7.<\/p>\n\n\n\n

RFQ Danh s\u00e1ch ki\u1ec3m tra<\/h2>\n\n\n\n

Tr\u01b0\u1edbc khi \u0111\u1eb7t h\u00e0ng, ch\u1ec9 \u0111\u1ecbnh:<\/p>\n\n\n\n

    \n
  1. Lo\u1ea1i chi ti\u1ebft si\u1ebft ch\u1eb7t v\u00e0 ti\u00eau chu\u1ea9n<\/li>\n\n\n\n
  2. Ch\u1ea5t li\u1ec7u v\u00e0 l\u1edbp<\/li>\n\n\n\n
  3. Y\u00eau c\u1ea7u v\u1ec1 lo\u1ea1i l\u1edbp ph\u1ee7 v\u00e0 \u0111\u1ed9 d\u00e0y<\/li>\n\n\n\n
  4. Y\u00eau c\u1ea7u phun mu\u1ed1i ho\u1eb7c \u0103n m\u00f2n<\/li>\n\n\n\n
  5. L\u1eafp ren sau khi ph\u1ee7<\/li>\n\n\n\n
  6. K\u1ebft h\u1ee3p \u0111ai \u1ed1c v\u00e0 v\u00f2ng \u0111\u1ec7m<\/li>\n\n\n\n
  7. B\u00e1o c\u00e1o ki\u1ec3m tra ho\u1eb7c gi\u1ea5y ch\u1ee9ng nh\u1eadn l\u1edbp ph\u1ee7<\/li>\n<\/ol>\n\n\n\n

    \u0110\u1ed1i v\u1edbi c\u00e1c k\u00edch th\u01b0\u1edbc \u0111\u1eb7c bi\u1ec7t ho\u1eb7c b\u1ea3n v\u1ebd d\u1ef1 \u00e1n, h\u00e3y s\u1eed d\u1ee5ng \u1ed1c v\u00edt phi ti\u00eau chu\u1ea9n t\u00f9y ch\u1ec9nh<\/a>.<\/p>\n\n\n\n

    L\u1eddi khuy\u00ean cu\u1ed1i c\u00f9ng<\/h2>\n\n\n\n

    Kh\u00f4ng c\u00f3 l\u1edbp ph\u1ee7 n\u00e0o l\u00e0 t\u1ed1t nh\u1ea5t cho m\u1ecdi \u1ee9ng d\u1ee5ng. M\u1ea1 k\u1ebdm l\u00e0 kinh t\u1ebf. HDG r\u1ea5t b\u1ec1n cho c\u00f4ng tr\u00ecnh ngo\u00e0i tr\u1eddi. Th\u00e9p kh\u00f4ng g\u1ec9 t\u1ed1t h\u01a1n cho s\u1ef1 \u0103n m\u00f2n nghi\u00eam tr\u1ecdng. L\u1edbp ph\u1ee7 v\u1ea3y k\u1ebdm ki\u1ec3u Dacromet r\u1ea5t h\u1eefu \u00edch cho c\u00e1c c\u1ee5m chi ti\u1ebft si\u1ebft ch\u1eb7t \u0111\u01b0\u1ee3c ph\u1ee7 c\u00f3 y\u00eau c\u1ea7u kh\u1eaft khe.<\/p>\n\n\n\n

    S\u1ef1 l\u1ef1a ch\u1ecdn an to\u00e0n nh\u1ea5t \u0111\u1ebfn t\u1eeb vi\u1ec7c ph\u00f9 h\u1ee3p v\u1edbi m\u00f4i tr\u01b0\u1eddng, t\u1ea3i tr\u1ecdng, l\u1edbp ph\u1ee7, \u0111\u1ed9 kh\u00edt ren v\u00e0 c\u00e1c y\u00eau c\u1ea7u ki\u1ec3m tra tr\u01b0\u1edbc khi s\u1ea3n xu\u1ea5t.<\/p>","protected":false},"excerpt":{"rendered":"

    Choosing corrosion-resistant fasteners is not as simple as asking for \u201canti-rust coating.\u201d In real projects, I have seen zinc plated bolts fail outdoors, stainless steel used where high-strength carbon steel was needed, and hot-dip galvanized threads rejected because nut fit was not checked. The right choice depends on environment, strength requirement, thread fit, cost, and […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[479],"tags":[503],"class_list":["post-6856","post","type-post","status-publish","format-standard","hentry","category-fastener-knowledge-library","tag-surface-finishes-corrosion-resistance"],"acf":[],"_links":{"self":[{"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts\/6856","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/comments?post=6856"}],"version-history":[{"count":1,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts\/6856\/revisions"}],"predecessor-version":[{"id":6857,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts\/6856\/revisions\/6857"}],"wp:attachment":[{"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/media?parent=6856"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/categories?post=6856"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/tags?post=6856"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}