{"id":20002,"date":"2024-12-23T06:27:00","date_gmt":"2024-12-22T22:27:00","guid":{"rendered":"https:\/\/steelprogroup.com\/?p=20002"},"modified":"2024-12-23T15:36:37","modified_gmt":"2024-12-23T07:36:37","slug":"chemical-composition","status":"publish","type":"post","link":"https:\/\/steelprogroup.com\/vi\/tool-steel\/grades\/h13\/properties\/composition\/","title":{"rendered":"Gi\u1ea3i th\u00edch th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc c\u1ee7a th\u00e9p c\u00f4ng c\u1ee5 H13"},"content":{"rendered":"

T\u1ea1i SteelPro Group, ch\u00fang t\u00f4i t\u1ef1 h\u00e0o v\u1ec1 s\u1ef1 l\u1eadp k\u1ebf ho\u1ea1ch t\u1ec9 m\u1ec9 v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t th\u00e9p c\u00f4ng c\u1ee5 H13 c\u1ee7a m\u00ecnh. B\u1eb1ng c\u00e1ch t\u1eadn d\u1ee5ng c\u00e1c quy tr\u00ecnh s\u1ea3n xu\u1ea5t ti\u00ean ti\u1ebfn nh\u01b0 Electroslag Remelting (ESR) v\u00e0 Vacuum Arc Remelting (VAR), ch\u00fang t\u00f4i \u0111\u1ea3m b\u1ea3o r\u1eb1ng m\u1ecdi s\u1ea3n ph\u1ea9m th\u00e9p H13 \u2014 d\u00f9 l\u00e0 th\u00e9p t\u1ea5m, th\u00e9p thanh hay th\u00e9p d\u1eb9t \u2014 \u0111\u1ec1u \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n ch\u1ea5t l\u01b0\u1ee3ng cao nh\u1ea5t.<\/p>

Th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc c\u1ee7a th\u00e9p c\u00f4ng c\u1ee5 H13<\/h2>

Th\u00e0nh ph\u1ea7n c\u1ee7a th\u00e9p c\u00f4ng c\u1ee5 H13 t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng ch\u1ed1ng n\u1ee9t nhi\u1ec7t v\u00e0 m\u1ecfi. H\u00e0m l\u01b0\u1ee3ng crom cao c\u1ee7a n\u00f3 mang l\u1ea1i kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n v\u00e0 kh\u1ea3 n\u0103ng t\u00f4i tuy\u1ec7t v\u1eddi, m\u1eb7c d\u00f9 n\u00f3 l\u00e0m gi\u1ea3m nh\u1eb9 \u0111\u1ed9 d\u1ebbo dai. Sau \u0111\u00e2y l\u00e0 ph\u00e2n t\u00edch c\u00e1c th\u00e0nh ph\u1ea7n ch\u00ednh v\u00e0 t\u1ef7 l\u1ec7 ph\u1ea7n tr\u0103m t\u01b0\u01a1ng \u1ee9ng c\u1ee7a ch\u00fang:<\/p>

Y\u1ebfu t\u1ed1<\/strong><\/td>Ph\u1ea7n tr\u0103m (%)<\/strong><\/td><\/tr>
Cacbon (C)<\/td>0.32 – 0.40<\/td><\/tr>
Crom (Cr)<\/td>5.13 – 5.25<\/td><\/tr>
S\u1eaft (Fe)<\/td>\u2265 90,9<\/td><\/tr>
Molip\u0111en (Mo)<\/td>1.33 – 1.4<\/td><\/tr>
Silic (Si)<\/td>1<\/td><\/tr>
Vanadi (V)<\/td>1<\/td><\/tr><\/tbody><\/table><\/figure>

Th\u00e9p c\u00f4ng c\u1ee5 H13 c\u00f3 c\u1ea5u tr\u00fac nguy\u00ean t\u1ed1 \u0111\u1ed9c \u0111\u00e1o gi\u00fap n\u00f3 kh\u00e1c bi\u1ec7t so v\u1edbi c\u00e1c lo\u1ea1i th\u00e9p c\u00f4ng c\u1ee5 kh\u00e1c, \u0111\u1eb7c bi\u1ec7t l\u00e0 kh\u1ea3 n\u0103ng ho\u1ea1t \u0111\u1ed9ng trong \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t. S\u1ef1 k\u1ebft h\u1ee3p c\u1ee7a h\u00e0m l\u01b0\u1ee3ng crom, molypden, vanadi cao v\u00e0 h\u00e0m l\u01b0\u1ee3ng carbon v\u1eeba ph\u1ea3i mang l\u1ea1i cho H13 s\u1ef1 c\u00e2n b\u1eb1ng v\u1ec1 \u0111\u1ed9 b\u1ec1n, kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n kh\u00f3 c\u00f3 lo\u1ea1i th\u00e9p n\u00e0o s\u00e1nh k\u1ecbp. <\/p>

H\u00e3y \u0111\u1ec3 ch\u00fang t\u00f4i gi\u1ea3i th\u00edch cho b\u1ea1n l\u00fd do t\u1ea1i sao t\u00e1c ph\u1ea9m n\u00e0y l\u1ea1i \u0111\u1eb7c bi\u1ec7t:<\/p>

1. H\u00e0m l\u01b0\u1ee3ng cacbon c\u00e2n b\u1eb1ng c\u1ee7a th\u00e9p c\u00f4ng c\u1ee5 H13<\/h3>

Kh\u00f4ng gi\u1ed1ng nh\u01b0 m\u1ed9t s\u1ed1 lo\u1ea1i th\u00e9p c\u00f4ng c\u1ee5 c\u00f3 h\u00e0m l\u01b0\u1ee3ng cacbon cao h\u01a1n, h\u00e0m l\u01b0\u1ee3ng cacbon c\u1ee7a H13 (kho\u1ea3ng 0,32% \u0111\u1ebfn 0,40%) \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t c\u1ea9n th\u1eadn \u0111\u1ec3 t\u1ea1o s\u1ef1 c\u00e2n b\u1eb1ng gi\u1eefa \u0111\u1ed9 c\u1ee9ng v\u00e0 \u0111\u1ed9 d\u1ebbo dai. Ph\u1ea1m vi cacbon \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t n\u00e0y cho ph\u00e9p H13 ch\u1ed1ng m\u00e0i m\u00f2n m\u00e0 kh\u00f4ng b\u1ecb gi\u00f2n ho\u1eb7c d\u1ec5 n\u1ee9t. H\u00e0m l\u01b0\u1ee3ng cacbon \u0111\u1ee7 th\u1ea5p \u0111\u1ec3 duy tr\u00ec \u0111\u1ed9 d\u1ebbo dai, \u0111i\u1ec1u c\u1ea7n thi\u1ebft trong c\u00e1c \u1ee9ng d\u1ee5ng nhi\u1ec7t \u0111\u1ed9 cao, nh\u01b0ng \u0111\u1ee7 cao \u0111\u1ec3 duy tr\u00ec \u0111\u1ed9 c\u1ee9ng trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng.<\/p>

2. Crom cao cho kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t v\u00e0 ch\u1ed1ng m\u00e0i m\u00f2n H13 <\/h3>

Crom \u0111\u00f3ng vai tr\u00f2 then ch\u1ed1t trong kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t cao v\u00e0 ch\u1ed1ng m\u00e0i m\u00f2n c\u1ee7a H13. \u1ede m\u1ee9c kho\u1ea3ng 5%, crom \u0111\u1ea3m b\u1ea3o r\u1eb1ng th\u00e9p c\u00f4ng c\u1ee5 H13 c\u00f3 th\u1ec3 duy tr\u00ec t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a n\u00f3 \u1edf nhi\u1ec7t \u0111\u1ed9 kh\u1eafc nghi\u1ec7t (l\u00ean \u0111\u1ebfn kho\u1ea3ng 540\u00b0C ho\u1eb7c 1000\u00b0F). H\u00e0m l\u01b0\u1ee3ng crom cao n\u00e0y c\u0169ng mang l\u1ea1i cho th\u00e9p kh\u1ea3 n\u0103ng ch\u1ed1ng oxy h\u00f3a v\u00e0 \u0103n m\u00f2n, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong m\u00f4i tr\u01b0\u1eddng n\u00f3ng, n\u01a1i nhi\u1ec1u lo\u1ea1i th\u00e9p c\u00f4ng c\u1ee5 kh\u00e1c s\u1ebd b\u1ecb ph\u00e2n h\u1ee7y ho\u1eb7c h\u1ecfng. \u0110i\u1ec1u n\u00e0y l\u00e0m cho H13 \u0111\u1eb7c bi\u1ec7t ph\u00f9 h\u1ee3p cho \u0111\u00fac khu\u00f4n, r\u00e8n n\u00f3ng v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng gia c\u00f4ng n\u00f3ng kh\u00e1c.<\/p>

3. Molypden v\u00e0 Vanadi t\u1ea1o n\u00ean s\u1ee9c m\u1ea1nh v\u00e0 \u0111\u1ed9 b\u1ec1n c\u1ee7a H13<\/h3>

Molypden v\u00e0 vanadi k\u1ebft h\u1ee3p v\u1edbi nhau \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 d\u1ebbo dai c\u1ee7a th\u00e9p c\u00f4ng c\u1ee5 H13. Molypden (1.33% \u2013 1.4%) g\u00f3p ph\u1ea7n v\u00e0o kh\u1ea3 n\u0103ng ch\u1ed1ng m\u1ec1m h\u00f3a \u1edf nhi\u1ec7t \u0111\u1ed9 cao c\u1ee7a th\u00e9p, \u0111i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng trong vi\u1ec7c duy tr\u00ec hi\u1ec7u su\u1ea5t c\u1ee7a d\u1ee5ng c\u1ee5 trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng nhi\u1ec7t \u0111\u1ed9 cao k\u00e9o d\u00e0i. N\u00f3 c\u0169ng c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng t\u00f4i c\u1ee9ng, c\u00f3 ngh\u0129a l\u00e0 H13 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c x\u1eed l\u00fd nhi\u1ec7t \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c c\u00e1c \u0111\u1eb7c t\u00ednh c\u01a1 h\u1ecdc t\u1ed1i \u01b0u.<\/p>

Vanadi (kho\u1ea3ng 1%) t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 c\u1ee9ng v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n c\u1ee7a H13, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u1edf nhi\u1ec7t \u0111\u1ed9 cao h\u01a1n. Vanadi c\u0169ng tinh ch\u1ec9nh c\u1ea5u tr\u00fac h\u1ea1t th\u00e9p, g\u00f3p ph\u1ea7n c\u1ea3i thi\u1ec7n \u0111\u1ed9 d\u1ebbo dai v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u1ecfi nhi\u1ec7t. C\u00f9ng v\u1edbi nhau, molypden v\u00e0 vanadi l\u00e0m cho H13 tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn tuy\u1ec7t v\u1eddi cho c\u00e1c c\u00f4ng c\u1ee5 ch\u1ecbu chu k\u1ef3 nhi\u1ec7t ho\u1eb7c \u1ee9ng su\u1ea5t nhi\u1ec7t \u0111\u1ed9 cao l\u1eb7p \u0111i l\u1eb7p l\u1ea1i.<\/p>

4. Vai tr\u00f2 c\u1ee7a Silic trong qu\u00e1 tr\u00ecnh kh\u1eed oxy c\u1ee7a th\u00e9p H13<\/h3>

Silic (kho\u1ea3ng 1%) c\u00f3 trong th\u00e9p c\u00f4ng c\u1ee5 H13 ch\u1ee7 y\u1ebfu l\u00e0 ch\u1ea5t kh\u1eed oxy. N\u00f3 gi\u00fap lo\u1ea1i b\u1ecf t\u1ea1p ch\u1ea5t kh\u1ecfi th\u00e9p trong qu\u00e1 tr\u00ecnh n\u1ea5u ch\u1ea3y, \u0111\u1ea3m b\u1ea3o v\u1eadt li\u1ec7u s\u1ea1ch h\u01a1n v\u00e0 \u0111\u1ed3ng \u0111\u1ec1u h\u01a1n. Silic c\u0169ng \u0111\u00f3ng vai tr\u00f2 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng oxy h\u00f3a c\u1ee7a th\u00e9p v\u00e0 t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 \u1edf nhi\u1ec7t \u0111\u1ed9 cao. M\u1eb7c d\u00f9 kh\u00f4ng c\u00f3 t\u00e1c \u0111\u1ed9ng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n nh\u01b0 crom ho\u1eb7c molypden, nh\u01b0ng n\u00f3 h\u1ed7 tr\u1ee3 hi\u1ec7u su\u1ea5t chung c\u1ee7a H13 b\u1eb1ng c\u00e1ch c\u1ea3i thi\u1ec7n t\u00ednh to\u00e0n v\u1eb9n v\u1ec1 m\u1eb7t c\u1ea5u tr\u00fac c\u1ee7a th\u00e9p.<\/p>

S\u1ef1 k\u1ebft h\u1ee3p \u0111\u1eb7c bi\u1ec7t l\u00e0m cho th\u00e9p H13 tr\u1edf n\u00ean kh\u00e1c bi\u1ec7t<\/h2>

\u0110i\u1ec1u th\u1ef1c s\u1ef1 l\u00e0m cho H13 tr\u1edf n\u00ean \u0111\u1eb7c bi\u1ec7t l\u00e0 s\u1ef1 k\u1ebft h\u1ee3p gi\u1eefa c\u00e1c y\u1ebfu t\u1ed1 n\u00e0y. Th\u00e9p \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho c\u00e1c \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t, ch\u1eb3ng h\u1ea1n nh\u01b0 \u0111\u00fac khu\u00f4n v\u00e0 gia c\u00f4ng n\u00f3ng, n\u01a1i c\u00e1c c\u00f4ng c\u1ee5 ti\u1ebfp x\u00fac v\u1edbi nhi\u1ec7t \u0111\u1ed9 cao, l\u1ef1c m\u00e0i m\u00f2n v\u00e0 chu k\u1ef3 nhi\u1ec7t. S\u1ef1 k\u1ebft h\u1ee3p c\u1ee7a carbon \u0111\u1ec3 t\u1ea1o \u0111\u1ed9 c\u1ee9ng, crom \u0111\u1ec3 ch\u1ecbu nhi\u1ec7t, molypden v\u00e0 vanadi \u0111\u1ec3 t\u1ea1o \u0111\u1ed9 b\u1ec1n v\u00e0 silicon \u0111\u1ec3 kh\u1eed oxy mang l\u1ea1i cho H13 kh\u1ea3 n\u0103ng \u0111\u1ed9c \u0111\u00e1o \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh trong nh\u1eefng m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t n\u00e0y.<\/p>

\u0110\u1ec3 hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 to\u00e0n b\u1ed9 kh\u1ea3 n\u0103ng v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a th\u00e9p c\u00f4ng c\u1ee5 H13, h\u00e3y tham kh\u1ea3o t\u1ed5ng quan chi ti\u1ebft c\u1ee7a ch\u00fang t\u00f4i.<\/p>

Th\u00e9p c\u00f4ng c\u1ee5 ch\u00ednh x\u00e1c H13: C\u00f3 th\u1ec3 t\u00f9y ch\u1ec9nh v\u00e0 tu\u00e2n th\u1ee7 theo ng\u00e0nh<\/h2>

T\u1ea1i SteelPro Group, th\u00e9p c\u00f4ng c\u1ee5 H13 c\u1ee7a ch\u00fang t\u00f4i<\/a> \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n c\u00f4ng nghi\u1ec7p ch\u00ednh, bao g\u1ed3m ASTM A681, \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t t\u1ed1i \u01b0u cho c\u00e1c \u1ee9ng d\u1ee5ng nhi\u1ec7t \u0111\u1ed9 cao. \u0110\u01b0\u1ee3c s\u1ea3n xu\u1ea5t b\u1eb1ng c\u00e1c quy tr\u00ecnh ti\u00ean ti\u1ebfn nh\u01b0 ESR v\u00e0 VAR, ch\u00fang t\u00f4i \u0111\u1ea3m b\u1ea3o t\u00ednh nh\u1ea5t qu\u00e1n v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng \u0111\u1eb7c bi\u1ec7t. Ch\u00fang t\u00f4i c\u0169ng cung c\u1ea5p m\u1ed9t lo\u1ea1t c\u00e1c t\u00f9y ch\u1ecdn x\u1eed l\u00fd, bao g\u1ed3m c\u1eaft, gia c\u00f4ng v\u00e0 \u0111\u1ecbnh c\u1ee1 t\u00f9y ch\u1ec9nh, \u0111\u1ec3 ho\u00e0n to\u00e0n ph\u00f9 h\u1ee3p v\u1edbi th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a b\u1ea1n.<\/p>","protected":false},"excerpt":{"rendered":"

At SteelPro Group, we take pride in the meticulous planning and precision that go into the production of our H13 […]<\/p>","protected":false},"author":12,"featured_media":19987,"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":[4297,4294,4296,4293],"tags":[],"class_list":["post-20002","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-property-h13","category-grades-tool-steel","category-h13","category-tool-steel"],"acf":[],"_links":{"self":[{"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/posts\/20002","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=20002"}],"version-history":[{"count":0,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/posts\/20002\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/media\/19987"}],"wp:attachment":[{"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/media?parent=20002"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/categories?post=20002"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/tags?post=20002"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}