{"id":1436,"date":"2025-12-16T12:34:35","date_gmt":"2025-12-16T05:34:35","guid":{"rendered":"https:\/\/inoxcuongthinh.com\/tieu-chuan-jis-cho-inox-cac-mac-sus304-sus201-316-430\/"},"modified":"2025-12-16T12:34:35","modified_gmt":"2025-12-16T05:34:35","slug":"tieu-chuan-jis-cho-inox-cac-mac-sus304-sus201-316-430","status":"publish","type":"post","link":"https:\/\/inoxcuongthinh.com\/tieu-chuan-jis-cho-inox-cac-mac-sus304-sus201-316-430\/","title":{"rendered":"Ti\u00eau chu\u1ea9n JIS cho inox: c\u00e1c m\u00e1c SUS304, SUS201, 316, 430"},"content":{"rendered":"<div class=\"custom-toc\">\n<h3>N\u1ed9i dung ch\u00ednh<\/h3>\n<ul>\n<li><a href=\"#toc-0-1-jis-cho-inox-gom-nhung-tieu-chuan-nao\">1) JIS cho inox g\u1ed3m nh\u1eefng ti\u00eau chu\u1ea9n n\u00e0o?<\/a><\/li>\n<li><a href=\"#toc-1-2-tuong-duong-mac-jis-astmaisi-en\">2) T\u01b0\u01a1ng \u0111\u01b0\u01a1ng m\u00e1c JIS \u2013 ASTM\/AISI \u2013 EN<\/a><\/li>\n<li><a href=\"#toc-2-3-thong-so-ky-thuat-cac-mac-jis-pho-bien\">3) Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u00e1c m\u00e1c JIS ph\u1ed5 bi\u1ebfn<\/a><\/li>\n<li><a href=\"#toc-3-4-be-mat-va-dung-sai-theo-jis-ban-can-biet\">4) B\u1ec1 m\u1eb7t v\u00e0 dung sai theo JIS b\u1ea1n c\u1ea7n bi\u1ebft<\/a><\/li>\n<li><a href=\"#toc-4-5-huong-dan-chon-mac-theo-moi-truong-lam-viec\">5) H\u01b0\u1edbng d\u1eabn ch\u1ecdn m\u00e1c theo m\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c<\/a><\/li>\n<li><a href=\"#toc-5-6-cach-kiem-chung-dung-jis-khi-mua-hang\">6) C\u00e1ch ki\u1ec3m ch\u1ee9ng \u201c\u0111\u00fang JIS\u201d khi mua h\u00e0ng<\/a><\/li>\n<li><a href=\"#toc-6-7-loi-chon-mac-thuong-gap-tai-thi-truong-viet-nam\">7) L\u1ed7i ch\u1ecdn m\u00e1c th\u01b0\u1eddng g\u1eb7p t\u1ea1i th\u1ecb tr\u01b0\u1eddng Vi\u1ec7t Nam<\/a><\/li>\n<li><a href=\"#toc-7-8-so-sanh-nhanh-sus201-vs-sus304-vs-sus316-vs-sus4\">8) So s\u00e1nh nhanh SUS201 vs SUS304 vs SUS316 vs SUS430<\/a><\/li>\n<li><a href=\"#toc-8-9-nguon-tham-khao-ky-thuat\">9) Ngu\u1ed3n tham kh\u1ea3o k\u1ef9 thu\u1eadt<\/a><\/li>\n<li><a href=\"#toc-9-ket-luan\">K\u1ebft lu\u1eadn<\/a><\/li>\n<\/ul>\n<\/div>\n<p>Ti\u00eau chu\u1ea9n JIS (Japanese Industrial Standards) l\u00e0 h\u1ec7 th\u1ed1ng ti\u00eau chu\u1ea9n l\u00f5i c\u1ee7a Nh\u1eadt B\u1ea3n, quy \u0111\u1ecbnh t\u1eeb c\u00e1ch \u0111\u1eb7t t\u00ean (SUS\u2026) \u0111\u1ebfn th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc, c\u01a1 t\u00ednh, dung sai v\u00e0 b\u1ec1 m\u1eb7t cho th\u00e9p kh\u00f4ng g\u1ec9. N\u1eafm v\u1eefng JIS gi\u00fap k\u1ef9 s\u01b0 v\u00e0 nh\u00e0 th\u1ea7u ch\u1ecdn \u0111\u00fang m\u00e1c inox, ki\u1ec3m ch\u1ee9ng CQ\/CO, v\u00e0 \u0111\u1ed3ng b\u1ed9 v\u1edbi c\u00e1c h\u1ec7 ti\u00eau chu\u1ea9n kh\u00e1c (ASTM\/EN) trong qu\u1ea3n l\u00fd ch\u1ea5t l\u01b0\u1ee3ng. B\u00e0i vi\u1ebft n\u00e0y t\u1eadp trung v\u00e0o c\u00e1c m\u00e1c JIS ph\u1ed5 bi\u1ebfn t\u1ea1i Vi\u1ec7t Nam: SUS304, SUS201, SUS316, SUS430, SUS410.<\/p>\n<h2 id=\"toc-0-1-jis-cho-inox-gom-nhung-tieu-chuan-nao\">1) JIS cho inox g\u1ed3m nh\u1eefng ti\u00eau chu\u1ea9n n\u00e0o?<\/h2>\n<p>&#8211; C\u00e1ch k\u00fd hi\u1ec7u: \u201cSUS\u201d + s\u1ed1 m\u00e1c. V\u00ed d\u1ee5: SUS304 (austenitic Cr-Ni), SUS430 (ferritic Cr).<br \/>\n&#8211; Ti\u00eau chu\u1ea9n s\u1ea3n ph\u1ea9m ch\u00ednh:<br \/>\n  &#8211; JIS G 4303: Th\u00e9p kh\u00f4ng g\u1ec9 \u2013 Th\u00e9p thanh (bars, rods)<br \/>\n  &#8211; JIS G 4304: Th\u00e9p kh\u00f4ng g\u1ec9 \u2013 T\u1ea5m\/d\u1ea3i c\u00e1n n\u00f3ng (hot-rolled)<br \/>\n  &#8211; JIS G 4305: Th\u00e9p kh\u00f4ng g\u1ec9 \u2013 T\u1ea5m\/d\u1ea3i c\u00e1n ngu\u1ed9i (cold-rolled)<br \/>\n  &#8211; JIS G 4318: D\u00e2y th\u00e9p kh\u00f4ng g\u1ec9 (wire)<br \/>\n&#8211; N\u1ed9i dung quy \u0111\u1ecbnh: th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc, c\u01a1 t\u00ednh t\u1ed1i thi\u1ec3u, k\u00edch th\u01b0\u1edbc\/dung sai, b\u1ec1 m\u1eb7t (No.1, 2B, BA, No.4, HL\u2026), ch\u1ee9ng ch\u1ec9 ki\u1ec3m tra.<\/p>\n<h2 id=\"toc-1-2-tuong-duong-mac-jis-astmaisi-en\">2) T\u01b0\u01a1ng \u0111\u01b0\u01a1ng m\u00e1c JIS \u2013 ASTM\/AISI \u2013 EN<\/h2>\n<p>&#8211; SUS304 \u2248 AISI\/ASTM 304 \u2248 EN 1.4301 (X5CrNi18-10)<br \/>\n&#8211; SUS304L \u2248 304L \u2248 EN 1.4307 (X2CrNi18-9)<br \/>\n&#8211; SUS316 \u2248 316 \u2248 EN 1.4401 (X5CrNiMo17-12-2)<br \/>\n&#8211; SUS316L \u2248 316L \u2248 EN 1.4404 (X2CrNiMo17-12-2)<br \/>\n&#8211; SUS201 \u2248 AISI 201 (Cr-Ni-Mn; \u1edf JIS c\u00f2n c\u00f3 bi\u1ebfn th\u1ec3 201J1 Ni th\u1ea5p)<br \/>\n&#8211; SUS430 \u2248 AISI 430 \u2248 EN 1.4016 (X6Cr17)<br \/>\n&#8211; SUS410 \u2248 AISI 410 \u2248 EN 1.4006 (X12Cr13)<\/p>\n<p>L\u01b0u \u00fd: \u201ct\u01b0\u01a1ng \u0111\u01b0\u01a1ng\u201d kh\u00f4ng lu\u00f4n \u0111\u1ed3ng ngh\u0129a gi\u1ed1ng h\u1ec7t d\u1ea3i th\u00e0nh ph\u1ea7n; khi thay th\u1ebf ch\u00e9o h\u1ec7 ti\u00eau chu\u1ea9n, h\u00e3y so t\u1eebng y\u00eau c\u1ea7u c\u1ee7a d\u1ef1 \u00e1n (th\u00e0nh ph\u1ea7n, c\u01a1 t\u00ednh, m\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c).<\/p>\n<h2 id=\"toc-2-3-thong-so-ky-thuat-cac-mac-jis-pho-bien\">3) Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u00e1c m\u00e1c JIS ph\u1ed5 bi\u1ebfn<\/h2>\n<h3>SUS304 \/ SUS304L \u2013 Inox 18\/10 \u0111a d\u1ee5ng<\/h3>\n<p>&#8211; Th\u00e0nh ph\u1ea7n (JIS G 4304\/4305, \u0111i\u1ec3n h\u00ecnh):<br \/>\n  &#8211; SUS304: C \u2264 0.08; Si \u2264 1.00; Mn \u2264 2.00; P \u2264 0.045; S \u2264 0.030; Cr 18.00\u201320.00; Ni 8.00\u201310.50; N \u2264 0.10<br \/>\n  &#8211; SUS304L (th\u1ea5p C): C \u2264 0.03; c\u00e1c nguy\u00ean t\u1ed1 kh\u00e1c t\u01b0\u01a1ng t\u1ef1; Ni th\u01b0\u1eddng r\u1ed9ng h\u01a1n (x\u1ea5p x\u1ec9 8\u201312) t\u00f9y phi\u00ean b\u1ea3n ti\u00eau chu\u1ea9n v\u00e0 nh\u00e0 s\u1ea3n xu\u1ea5t<br \/>\n&#8211; C\u01a1 t\u00ednh t\u1ed1i thi\u1ec3u (t\u1ea5m c\u00e1n ngu\u1ed9i \u2013 tham chi\u1ebfu JIS G 4305, ph\u1ee5 thu\u1ed9c chi\u1ec1u d\u00e0y):<br \/>\n  &#8211; \u0110\u1ed9 b\u1ec1n k\u00e9o Rm \u2265 520 MPa; Gi\u1edbi h\u1ea1n ch\u1ea3y Rp0.2 \u2265 205 MPa; D\u00e3n d\u00e0i A50 \u2265 40%<br \/>\n&#8211; T\u00ednh ch\u1ea5t:<br \/>\n  &#8211; Ch\u1ed1ng \u0103n m\u00f2n t\u1ed1t trong kh\u00ed quy\u1ec3n \u0111\u00f4 th\u1ecb\/nh\u00e0 x\u01b0\u1edfng, n\u01b0\u1edbc sinh ho\u1ea1t, th\u1ef1c ph\u1ea9m; nh\u1ea1y pitting trong m\u00f4i tr\u01b0\u1eddng chloride cao<br \/>\n  &#8211; Kh\u00f4ng t\u1eeb t\u00ednh \u1edf tr\u1ea1ng th\u00e1i \u1ee7; c\u00f3 th\u1ec3 nhi\u1ec5m t\u1eeb nh\u1eb9 sau c\u00e1n ngu\u1ed9i\/h\u00e0n<br \/>\n  &#8211; H\u00e0n t\u1ed1t; 304L \u01b0u vi\u1ec7t cho m\u1ed1i h\u00e0n d\u00e0y, gi\u1ea3m nh\u1ea1y \u0103n m\u00f2n li\u00ean k\u1ebft h\u1ea1t<br \/>\n&#8211; \u1ee8ng d\u1ee5ng:<br \/>\n  &#8211; B\u1ed3n, b\u00e0n k\u1ec7 th\u1ef1c ph\u1ea9m, \u1ed1ng c\u00f4ng ngh\u1ec7, lan can trong nh\u00e0, v\u1ecf m\u00e1y, thang m\u00e1ng c\u00e1p, \u0111\u1ed3 gia d\u1ee5ng cao c\u1ea5p<\/p>\n<h3>SUS201 \/ SUS201J1 \u2013 Austenitic Ni th\u1ea5p, Mn cao<\/h3>\n<p>&#8211; Th\u00e0nh ph\u1ea7n (tham chi\u1ebfu JIS cho nh\u00f3m Cr-Ni-Mn):<br \/>\n  &#8211; SUS201 (\u0111i\u1ec3n h\u00ecnh): C \u2264 0.15; Si \u2264 1.00; Mn ~5.5\u20137.5; P \u2264 0.060; S \u2264 0.030; Cr 16.0\u201318.0; Ni ~3.5\u20135.5; N \u2264 0.25; c\u00f3 th\u1ec3 c\u00f3 Cu nh\u1ecf<br \/>\n  &#8211; SUS201J1: bi\u1ebfn th\u1ec3 Ni th\u1ea5p h\u01a1n (th\u01b0\u1eddng ~1\u20132) v\u1edbi Mn cao h\u01a1n \u0111\u1ec3 \u1ed5n \u0111\u1ecbnh austenite; chi ph\u00ed th\u1ea5p, ch\u1ed1ng \u0103n m\u00f2n k\u00e9m h\u01a1n 304<br \/>\n&#8211; C\u01a1 t\u00ednh (t\u1ea5m c\u00e1n ngu\u1ed9i, \u0111i\u1ec3n h\u00ecnh):<br \/>\n  &#8211; Rm \u2265 520 MPa; Rp0.2 th\u01b0\u1eddng 240\u2013275 MPa; A50 \u2265 35\u201340% (ph\u1ee5 thu\u1ed9c chi\u1ec1u d\u00e0y v\u00e0 \u1ee7)<br \/>\n&#8211; T\u00ednh ch\u1ea5t:<br \/>\n  &#8211; Ch\u1ed1ng \u0103n m\u00f2n \u1edf m\u1ee9c trung b\u00ecnh; d\u1ec5 \u1ed1 v\u00e0ng\/r\u1ed7 trong m\u00f4i tr\u01b0\u1eddng \u1ea9m, m\u1eb7n, h\u00f3a ch\u1ea5t nh\u1eb9<br \/>\n  &#8211; Kh\u00f4ng t\u1eeb t\u00ednh (\u1ee7), c\u00f3 th\u1ec3 nhi\u1ec5m t\u1eeb sau bi\u1ebfn c\u1ee9ng ngu\u1ed9i<br \/>\n  &#8211; H\u00e0n \u0111\u01b0\u1ee3c; c\u1ea7n ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ec3 tr\u00e1nh n\u1ee9t n\u00f3ng do Mn\/N cao<br \/>\n&#8211; \u1ee8ng d\u1ee5ng:<br \/>\n  &#8211; Trang tr\u00ed n\u1ed9i th\u1ea5t kh\u00f4, chi ti\u1ebft gia d\u1ee5ng, \u1ed1ng h\u1ed9p m\u1ef9 thu\u1eadt trong nh\u00e0, ph\u1ee5 ki\u1ec7n \u00edt ti\u1ebfp x\u00fac h\u00f3a ch\u1ea5t\/n\u01b0\u1edbc bi\u1ec3n<br \/>\n&#8211; C\u1ea3nh b\u00e1o ch\u1ecdn v\u1eadt li\u1ec7u:<br \/>\n  &#8211; Kh\u00f4ng khuy\u1ebfn ngh\u1ecb d\u00f9ng 201\/201J1 cho ngo\u00e0i tr\u1eddi ven bi\u1ec3n, h\u1ed3 b\u01a1i, nh\u00e0 m\u00e1y h\u00f3a ch\u1ea5t, th\u1ef1c ph\u1ea9m m\u1eb7n; n\u00ean n\u00e2ng c\u1ea5p 304\/316<\/p>\n<h3>SUS316 \/ SUS316L \u2013 Ch\u1ed1ng pitting t\u1ed1t h\u01a1n nh\u1edd Mo<\/h3>\n<p>&#8211; Th\u00e0nh ph\u1ea7n (JIS G 4304\/4305, \u0111i\u1ec3n h\u00ecnh):<br \/>\n  &#8211; SUS316: C \u2264 0.08; Si \u2264 1.00; Mn \u2264 2.00; P \u2264 0.045; S \u2264 0.030; Cr 16.00\u201318.00; Ni ~10.00\u201314.00; Mo 2.00\u20133.00; N \u2264 0.10<br \/>\n  &#8211; SUS316L: C \u2264 0.03; c\u00e1c d\u1ea3i Cr\/Ni\/Mo t\u01b0\u01a1ng t\u1ef1 ho\u1eb7c h\u01a1i r\u1ed9ng h\u01a1n t\u00f9y phi\u00ean b\u1ea3n<br \/>\n&#8211; C\u01a1 t\u00ednh (t\u1ea5m c\u00e1n ngu\u1ed9i, \u0111i\u1ec3n h\u00ecnh):<br \/>\n  &#8211; Rm \u2265 520 MPa; Rp0.2 \u2265 205 MPa; A50 \u2265 40%<br \/>\n&#8211; T\u00ednh ch\u1ea5t:<br \/>\n  &#8211; R\u1ea5t t\u1ed1t tr\u01b0\u1edbc chloride (pitting\/crevice) so v\u1edbi 304, th\u00edch h\u1ee3p v\u00f9ng ven bi\u1ec3n, b\u1ed3n mu\u1ed1i, d\u01b0\u1ee3c ph\u1ea9m<br \/>\n  &#8211; H\u00e0n t\u1ed1t; 316L l\u1ef1a ch\u1ecdn \u01b0u ti\u00ean cho b\u1ed3n, \u1ed1ng c\u00f4ng ngh\u1ec7 \u0111\u00f2i h\u1ecfi v\u1ec7 sinh v\u00e0 ch\u1ed1ng \u0103n m\u00f2n m\u1ed1i h\u00e0n<br \/>\n&#8211; \u1ee8ng d\u1ee5ng:<br \/>\n  &#8211; Thi\u1ebft b\u1ecb y d\u01b0\u1ee3c-th\u1ef1c ph\u1ea9m, b\u1ed3n CIP\/SIP, linh ki\u1ec7n t\u00e0u thuy\u1ec1n\/inox ngo\u00e0i tr\u1eddi ven bi\u1ec3n, heat-exchanger c\u00f3 chloride<\/p>\n<h3>SUS430 \u2013 Ferritic 16\u201318% Cr, kinh t\u1ebf<\/h3>\n<p>&#8211; Th\u00e0nh ph\u1ea7n (JIS G 4304\/4305, \u0111i\u1ec3n h\u00ecnh):<br \/>\n  &#8211; C \u2264 0.12; Si \u2264 1.00; Mn \u2264 1.00; P \u2264 0.040; S \u2264 0.030; Cr 16.00\u201318.00<br \/>\n&#8211; C\u01a1 t\u00ednh (t\u1ea5m c\u00e1n ngu\u1ed9i, \u0111i\u1ec3n h\u00ecnh):<br \/>\n  &#8211; Rm \u2265 450 MPa; Rp0.2 \u2265 205 MPa; A50 \u2265 22%<br \/>\n&#8211; T\u00ednh ch\u1ea5t:<br \/>\n  &#8211; T\u1eeb t\u00ednh; \u0111\u1ecbnh h\u00ecnh \u1edf m\u1ee9c trung b\u00ecnh; h\u00e0n k\u00e9m h\u01a1n 304\/201<br \/>\n  &#8211; Ch\u1ed1ng \u0103n m\u00f2n v\u1eeba ph\u1ea3i trong m\u00f4i tr\u01b0\u1eddng kh\u00f4; kh\u00f4ng ph\u00f9 h\u1ee3p chloride \u1ea9m<br \/>\n&#8211; \u1ee8ng d\u1ee5ng:<br \/>\n  &#8211; \u1ed0p trang tr\u00ed n\u1ed9i th\u1ea5t, m\u1eb7t d\u1ef1ng kh\u00f4, v\u1ecf thi\u1ebft b\u1ecb, \u0111\u1ed3 gia d\u1ee5ng (l\u00f2 n\u01b0\u1edbng), khu v\u1ef1c \u00edt \u1ea9m\/mu\u1ed1i<\/p>\n<h3>SUS410 \u2013 Martensitic ch\u1ecbu m\u00e0i m\u00f2n<\/h3>\n<p>&#8211; Th\u00e0nh ph\u1ea7n (JIS G 4303\/4304, \u0111i\u1ec3n h\u00ecnh):<br \/>\n  &#8211; C \u2264 0.15; Si \u2264 1.00; Mn \u2264 1.00; P \u2264 0.040; S \u2264 0.030; Cr ~11.5\u201313.5<br \/>\n&#8211; C\u01a1 t\u00ednh:<br \/>\n  &#8211; \u1ede tr\u1ea1ng th\u00e1i \u1ee7: Rm ~450\u2013650 MPa; sau t\u00f4i ram c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u1ed9 c\u1ee9ng cao (HRC 35\u201345 t\u00f9y x\u1eed l\u00fd)<br \/>\n&#8211; T\u00ednh ch\u1ea5t:<br \/>\n  &#8211; T\u1eeb t\u00ednh, c\u00f3 th\u1ec3 nhi\u1ec7t luy\u1ec7n t\u0103ng c\u1ee9ng; ch\u1ed1ng \u0103n m\u00f2n k\u00e9m h\u01a1n austenitic\/ferritic<br \/>\n&#8211; \u1ee8ng d\u1ee5ng:<br \/>\n  &#8211; Dao k\u00e9o, tr\u1ee5c, bulong ch\u1ecbu m\u00e0i m\u00f2n, chi ti\u1ebft c\u01a1 kh\u00ed y\u00eau c\u1ea7u \u0111\u1ed9 c\u1ee9ng<\/p>\n<h2 id=\"toc-3-4-be-mat-va-dung-sai-theo-jis-ban-can-biet\">4) B\u1ec1 m\u1eb7t v\u00e0 dung sai theo JIS b\u1ea1n c\u1ea7n bi\u1ebft<\/h2>\n<p>&#8211; B\u1ec1 m\u1eb7t ph\u1ed5 bi\u1ebfn (JIS G 4304\/4305):<br \/>\n  &#8211; No.1: c\u00e1n n\u00f3ng, \u1ee7 t\u1ea9y, b\u1ec1 m\u1eb7t x\u1ec9n \u2013 d\u00f9ng cho gia c\u00f4ng ti\u1ebfp<br \/>\n  &#8211; 2B: c\u00e1n ngu\u1ed9i, \u1ee7 t\u1ea9y, skin-pass \u2013 b\u1ec1 m\u1eb7t m\u1ecbn \u0111a d\u1ee5ng<br \/>\n  &#8211; BA (Bright Annealed): \u1ee7 s\u00e1ng trong m\u00f4i tr\u01b0\u1eddng b\u1ea3o v\u1ec7 \u2013 b\u00f3ng nh\u01b0 g\u01b0\u01a1ng m\u1edd<br \/>\n  &#8211; No.4: \u0111\u00e1nh x\u01b0\u1edbc ng\u1eafn; HL (Hairline): v\u00e2n d\u00e0i li\u00ean t\u1ee5c<br \/>\n  &#8211; 8K: g\u01b0\u01a1ng cao c\u1ea5p<br \/>\n&#8211; Dung sai k\u00edch th\u01b0\u1edbc:<br \/>\n  &#8211; Quy \u0111\u1ecbnh theo \u0111\u1ed9 d\u00e0y\/r\u1ed9ng\/\u0111\u1ed9 ph\u1eb3ng; m\u1ed7i nh\u00e0 m\u00e1y c\u00f3 b\u1ea3ng dung sai n\u1ed9i b\u1ed9 trong khung JIS. Khi \u0111\u1eb7t h\u00e0ng, h\u00e3y ch\u1ec9 r\u00f5 chi\u1ec1u d\u00e0y danh \u0111\u1ecbnh v\u00e0 dung sai cho ph\u00e9p (v\u00ed d\u1ee5: t\u1ea5m 2.0 mm theo JIS G 4305, dung sai ti\u00eau chu\u1ea9n ho\u1eb7c y\u00eau c\u1ea7u \u0111\u1eb7c bi\u1ec7t)<\/p>\n<h2 id=\"toc-4-5-huong-dan-chon-mac-theo-moi-truong-lam-viec\">5) H\u01b0\u1edbng d\u1eabn ch\u1ecdn m\u00e1c theo m\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c<\/h2>\n<p>&#8211; Trong nh\u00e0 kh\u00f4, kh\u00f4ng h\u00f3a ch\u1ea5t: 201\/430 (kinh t\u1ebf) ho\u1eb7c 304 (\u0111\u1ed9 b\u1ec1n \u0111\u1eb9p cao h\u01a1n)<br \/>\n&#8211; Ngo\u00e0i tr\u1eddi \u0111\u00f4 th\u1ecb, m\u01b0a axit nh\u1eb9: 304; tr\u00e1nh 201 n\u1ebfu g\u1ea7n n\u01b0\u1edbc\/\u1ea9m<br \/>\n&#8211; Ven bi\u1ec3n, h\u1ed3 b\u01a1i, chloride: 316\/316L; 304 c\u00f3 nguy c\u01a1 r\u1ed7, 201\/430 kh\u00f4ng ph\u00f9 h\u1ee3p<br \/>\n&#8211; B\u1ed3n, \u1ed1ng th\u1ef1c ph\u1ea9m\/d\u01b0\u1ee3c, h\u00e0n nhi\u1ec1u: 304L\/316L<br \/>\n&#8211; Chi ti\u1ebft c\u1ea7n \u0111\u1ed9 c\u1ee9ng\/kh\u00e1ng m\u00e0i m\u00f2n: 410 (x\u1eed l\u00fd nhi\u1ec7t ph\u00f9 h\u1ee3p)<\/p>\n<h2 id=\"toc-5-6-cach-kiem-chung-dung-jis-khi-mua-hang\">6) C\u00e1ch ki\u1ec3m ch\u1ee9ng \u201c\u0111\u00fang JIS\u201d khi mua h\u00e0ng<\/h2>\n<p>&#8211; Ki\u1ec3m CQ\/MTC (Mill Test Certificate):<br \/>\n  &#8211; Ph\u1ea3i ghi r\u00f5 ti\u00eau chu\u1ea9n \u00e1p d\u1ee5ng (JIS G 4304, JIS G 4305\u2026), m\u00e1c SUS\u2026, s\u1ed1 heat\/lot, d\u1ea3i th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc \u0111o \u0111\u01b0\u1ee3c, c\u01a1 t\u00ednh, b\u1ec1 m\u1eb7t, k\u00edch th\u01b0\u1edbc, k\u1ebft qu\u1ea3 test<br \/>\n&#8211; \u0110\u1ed1i chi\u1ebfu th\u00e0nh ph\u1ea7n:<br \/>\n  &#8211; So Ni\/Cr\/C\/Mn v\u1edbi d\u1ea3i JIS c\u1ee7a m\u00e1c t\u01b0\u01a1ng \u1ee9ng (v\u00ed d\u1ee5 304 Ni 8.00\u201310.50; 201 Ni ~3.5\u20135.5\u2026)<br \/>\n&#8211; Ki\u1ec3m nhanh hi\u1ec7n tr\u01b0\u1eddng:<br \/>\n  &#8211; T\u1eeb t\u00ednh: 304\/316 kh\u00f4ng t\u1eeb t\u00ednh (\u1ee7), 430\/410 t\u1eeb t\u00ednh m\u1ea1nh; 201 c\u00f3 th\u1ec3 h\u01a1i h\u00fat sau gia c\u00f4ng<br \/>\n  &#8211; PMI (XRF): x\u00e1c minh Cr, Ni, Mo; 201 Ni th\u1ea5p, 304 Ni ~8\u201310.5, 316 c\u00f3 Mo ~2\u20133<br \/>\n  &#8211; Ki\u1ec3m b\u1ec1 m\u1eb7t: k\u00fd hi\u1ec7u 2B\/BA\/No.4\/HL tr\u00ean tem nh\u00e3n\/bi\u00ean b\u1ea3n giao<br \/>\n&#8211; H\u1ed3 s\u01a1 ngu\u1ed3n g\u1ed1c:<br \/>\n  &#8211; CO (Certificate of Origin) t\u1eeb n\u01b0\u1edbc s\u1ea3n xu\u1ea5t; CQ\/MTC t\u1eeb nh\u00e0 m\u00e1y c\u00e1n (mill). Th\u00f4ng tin ph\u1ea3i kh\u1edbp tem coil\/t\u1ea5m (heat no., standard, grade)<\/p>\n<h2 id=\"toc-6-7-loi-chon-mac-thuong-gap-tai-thi-truong-viet-nam\">7) L\u1ed7i ch\u1ecdn m\u00e1c th\u01b0\u1eddng g\u1eb7p t\u1ea1i th\u1ecb tr\u01b0\u1eddng Vi\u1ec7t Nam<\/h2>\n<p>&#8211; D\u00f9ng 201\/201J1 cho lan can ngo\u00e0i tr\u1eddi ven bi\u1ec3n \u2192 r\u1ec9 n\u00e2u sau v\u00e0i th\u00e1ng<br \/>\n&#8211; D\u00f9ng 430 cho khu \u1ea9m, g\u1ea7n h\u00f3a ch\u1ea5t nh\u1eb9 \u2192 \u1ed1 v\u00e0ng, \u0111\u1ed1m r\u1ed7<br \/>\n&#8211; D\u00f9ng 304L\/316L nh\u01b0ng h\u00e0n b\u1eb1ng v\u1eadt li\u1ec7u kh\u00f4ng t\u01b0\u01a1ng th\u00edch \u2192 \u0103n m\u00f2n m\u1ed1i h\u00e0n<br \/>\n&#8211; Ch\u1ecdn b\u1ec1 m\u1eb7t BA cho ngo\u1ea1i th\u1ea5t n\u1eafng n\u00f3ng kh\u00f4ng che ch\u1eafn \u2192 l\u00f3e ch\u00f3i, t\u0103ng nhi\u1ec7t; n\u00ean c\u00e2n nh\u1eafc No.4\/HL<\/p>\n<h2 id=\"toc-7-8-so-sanh-nhanh-sus201-vs-sus304-vs-sus316-vs-sus4\">8) So s\u00e1nh nhanh SUS201 vs SUS304 vs SUS316 vs SUS430<\/h2>\n<p>&#8211; Ch\u1ed1ng \u0103n m\u00f2n: 316 > 304 >> 201 \u2248 430 (trong m\u00f4i tr\u01b0\u1eddng kh\u00f4ng chloride, 430 \u0111\u00f4i khi b\u1ec1n h\u01a1n 201)<br \/>\n&#8211; T\u1eeb t\u00ednh: 430\/410 t\u1eeb t\u00ednh m\u1ea1nh; 304\/316 kh\u00f4ng t\u1eeb t\u00ednh (\u1ee7); 201 th\u1ea5p t\u1eeb t\u00ednh<br \/>\n&#8211; H\u00e0n: 304\/316\/L t\u1ed1t nh\u1ea5t; 201 c\u1ea7n l\u01b0u \u00fd n\u1ee9t n\u00f3ng; 430 kh\u00f3 h\u01a1n<br \/>\n&#8211; Chi ph\u00ed (th\u01b0\u1eddng): 201\/430 th\u1ea5p nh\u1ea5t < 304 < 316\n\n\n\n<h2 id=\"toc-8-9-nguon-tham-khao-ky-thuat\">9) Ngu\u1ed3n tham kh\u1ea3o k\u1ef9 thu\u1eadt<\/h2>\n<p>&#8211; JIS G 4304 \/ JIS G 4305 \u2013 Stainless steel plate, sheet and strip (Japanese Standards Association): https:\/\/www.jsa.or.jp\/en\/<br \/>\n&#8211; Japan Stainless Steel Association \u2013 Grades and applications: https:\/\/www.jssa.gr.jp\/english\/<br \/>\n&#8211; Outokumpu \u2013 Stainless steel grades overview: https:\/\/www.outokumpu.com\/en\/stainless-steel\/grades<br \/>\n&#8211; JFE Steel \u2013 Stainless steel sheets and plates: https:\/\/www.jfe-steel.co.jp\/en\/products\/sheet\/stainless\/<br \/>\nL\u01b0u \u00fd: Gi\u00e1 tr\u1ecb c\u01a1 t\u00ednh c\u00f3 th\u1ec3 thay \u0111\u1ed5i theo chi\u1ec1u d\u00e0y v\u00e0 quy tr\u00ecnh c\u00e1n\/\u1ee7 c\u1ee7a t\u1eebng nh\u00e0 m\u00e1y; h\u00e3y lu\u00f4n \u0111\u1ed1i chi\u1ebfu MTC c\u1ee5 th\u1ec3 l\u00f4 h\u00e0ng.<\/p>\n<h2 id=\"toc-9-ket-luan\">K\u1ebft lu\u1eadn<\/h2>\n<p>&#8211; JIS l\u00e0 khung ti\u00eau chu\u1ea9n r\u00f5 r\u00e0ng cho inox v\u1ec1 m\u00e1c, th\u00e0nh ph\u1ea7n, c\u01a1 t\u00ednh v\u00e0 b\u1ec1 m\u1eb7t.<br \/>\n&#8211; V\u1edbi d\u1ef1 \u00e1n ph\u1ed5 th\u00f4ng trong nh\u00e0, 201\/430 c\u00f3 th\u1ec3 t\u1ed1i \u01b0u chi ph\u00ed; ngo\u00e0i tr\u1eddi v\u00e0 c\u00f4ng nghi\u1ec7p nh\u1eb9 n\u00ean ch\u1ecdn 304\/304L; m\u00f4i tr\u01b0\u1eddng chloride\/h\u00f3a ch\u1ea5t h\u00e3y \u01b0u ti\u00ean 316\/316L.<br \/>\n&#8211; Khi mua, y\u00eau c\u1ea7u CQ\/MTC ghi JIS G 4304\/4305, \u0111\u1ed1i chi\u1ebfu th\u00e0nh ph\u1ea7n Ni\/Cr\/Mo, ki\u1ec3m b\u1ec1 m\u1eb7t v\u00e0 th\u1ef1c hi\u1ec7n PMI khi c\u1ea7n. Ch\u1ecdn \u0111\u00fang m\u00e1c ngay t\u1eeb \u0111\u1ea7u s\u1ebd gi\u1ea3m chi ph\u00ed b\u1ea3o tr\u00ec v\u00e0 r\u1ee7i ro \u0103n m\u00f2n v\u1ec1 sau.<\/p>\n<p>C\u1ea7n t\u01b0 v\u1ea5n ch\u1ecdn m\u00e1c JIS cho h\u1ea1ng m\u1ee5c c\u1ee5 th\u1ec3 ho\u1eb7c nh\u1eadn b\u00e1o gi\u00e1 t\u1ed1t nh\u1ea5t? Li\u00ean h\u1ec7 Inox C\u01b0\u1eddng Th\u1ecbnh \u2013 Hotline: 0343.417.281 \u2013 Email: inoxcongnghiep.cuongthinh@gmail.com<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Gi\u1ea3i th\u00edch ti\u00eau chu\u1ea9n JIS cho inox: th\u00e0nh ph\u1ea7n, c\u01a1 t\u00ednh v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a SUS304, SUS201, 316, 430; so s\u00e1nh ASTM\/EN v\u00e0 h\u01b0\u1edbng d\u1eabn ch\u1ecdn mua, ki\u1ec3m CQ\/CO.<\/p>\n","protected":false},"author":7,"featured_media":1010,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[23],"tags":[],"class_list":["post-1436","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"acf":[],"_links":{"self":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts\/1436","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/comments?post=1436"}],"version-history":[{"count":0,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts\/1436\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media\/1010"}],"wp:attachment":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media?parent=1436"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/categories?post=1436"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/tags?post=1436"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}