{"id":19873,"date":"2024-12-19T10:09:00","date_gmt":"2024-12-19T02:09:00","guid":{"rendered":"https:\/\/steelprogroup.com\/?p=19873"},"modified":"2025-01-09T17:01:00","modified_gmt":"2025-01-09T09:01:00","slug":"s7","status":"publish","type":"post","link":"https:\/\/steelprogroup.com\/vi\/tool-steel\/grades\/s7\/","title":{"rendered":"Th\u00e9p c\u00f4ng c\u1ee5 S7: T\u00ednh ch\u1ea5t, \u1ee8ng d\u1ee5ng, X\u1eed l\u00fd nhi\u1ec7t"},"content":{"rendered":"

Th\u00e9p c\u00f4ng c\u1ee5 S7 l\u00e0 v\u1eadt li\u1ec7u ch\u1ea5t l\u01b0\u1ee3ng h\u00e0ng \u0111\u1ea7u \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn v\u00ec \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp v\u00e0 m\u00e0i m\u00f2n v\u01b0\u1ee3t tr\u1ed9i. L\u00fd t\u01b0\u1edfng cho c\u00e1c c\u00f4ng c\u1ee5 ti\u1ebfp x\u00fac v\u1edbi \u1ee9ng su\u1ea5t cao v\u00e0 \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t, n\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p nh\u01b0 \u0111\u00fac khu\u00f4n, \u0111\u00fac nh\u1ef1a v\u00e0 thi\u1ebft b\u1ecb khai th\u00e1c. B\u00e0i vi\u1ebft n\u00e0y \u0111\u1ec1 c\u1eadp \u0111\u1ebfn m\u1ecdi th\u1ee9 b\u1ea1n c\u1ea7n bi\u1ebft v\u1ec1 th\u00e9p S7\u2014t\u1eeb th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc v\u00e0 t\u00ednh ch\u1ea5t v\u1eadt l\u00fd \u0111\u1ebfn c\u00e1c quy tr\u00ecnh x\u1eed l\u00fd nhi\u1ec7t v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a n\u00f3. N\u1ebfu b\u1ea1n \u0111ang t\u00ecm ki\u1ebfm m\u1ed9t gi\u1ea3i ph\u00e1p th\u00e9p \u0111\u00e1ng tin c\u1eady c\u00f3 th\u1ec3 \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c nh\u1eefng y\u00eau c\u1ea7u kh\u1eaft khe nh\u1ea5t, S7 c\u00f3 th\u1ec3 ch\u00ednh l\u00e0 th\u1ee9 b\u1ea1n c\u1ea7n.<\/p>

Th\u00e9p S7 l\u00e0 g\u00ec?<\/h2>

Th\u00e9p S7 l\u00e0 th\u00e9p c\u00f4ng c\u1ee5 c\u00f3 \u0111\u1ed9 b\u1ec1n cao, ch\u1ed1ng va \u0111\u1eadp, t\u00f4i c\u1ee9ng b\u1eb1ng kh\u00f4ng kh\u00ed, ch\u1ee9a 0,50% carbon, 1,00% mangan, 5,25% crom v\u00e0 1,10% molypden. N\u00f3 c\u00f3 \u0111\u1ed9 d\u1ebbo dai v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp tuy\u1ec7t v\u1eddi, th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c c\u00f4ng c\u1ee5 v\u00e0 khu\u00f4n ch\u1ecbu m\u00e0i m\u00f2n v\u00e0 va \u0111\u1eadp m\u1ea1nh. Sau khi x\u1eed l\u00fd nhi\u1ec7t, S7 \u0111\u1ea1t \u0111\u1ed9 c\u1ee9ng 55-60 HRC. Lo\u1ea1i th\u00e9p n\u00e0y d\u1ec5 gia c\u00f4ng th\u00f4ng qua r\u00e8n v\u00e0 t\u00f4i c\u1ee9ng b\u1eb1ng kh\u00f4ng kh\u00ed, khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn tuy\u1ec7t v\u1eddi cho c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p \u00f4 t\u00f4, h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 v\u00e0 s\u1ea3n xu\u1ea5t.<\/p>

S7 c\u00f3 ph\u1ea3i l\u00e0 lo\u1ea1i th\u00e9p t\u1ed1t kh\u00f4ng?<\/h3>

C\u00f3, S7 l\u00e0 lo\u1ea1i th\u00e9p tuy\u1ec7t v\u1eddi cho c\u00e1c \u1ee9ng d\u1ee5ng ch\u1ecbu va \u0111\u1eadp v\u00e0 t\u1ea3i tr\u1ecdng n\u1eb7ng do c\u00f3 \u0111\u1ed9 b\u1ec1n cao, kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp v\u00e0 gi\u1eef nguy\u00ean \u0111\u1ed9 c\u1ee9ng sau khi x\u1eed l\u00fd nhi\u1ec7t.<\/p>

T\u00ednh ch\u1ea5t c\u1ee7a th\u00e9p c\u00f4ng c\u1ee5 S7<\/h2>

Th\u00e9p c\u00f4ng c\u1ee5 S7 b\u1ec1n, ch\u1ed1ng m\u00e0i m\u00f2n v\u00e0 d\u1ec5 gia c\u00f4ng, l\u00e0m cho n\u00f3 tr\u1edf n\u00ean ho\u00e0n h\u1ea3o cho c\u00e1c c\u00f4ng c\u1ee5 hi\u1ec7u su\u1ea5t cao. Bi\u1ebft \u0111\u01b0\u1ee3c c\u00e1c \u0111\u1eb7c t\u00ednh c\u1ee7a n\u00f3 gi\u00fap b\u1ea1n ch\u1ecdn \u0111\u00fang v\u1eadt li\u1ec7u cho c\u00e1c c\u00f4ng vi\u1ec7c kh\u00f3 kh\u0103n.<\/p>

Th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc c\u1ee7a th\u00e9p c\u00f4ng c\u1ee5 S7<\/h3>

Sau \u0111\u00e2y l\u00e0 th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc c\u1ee7a th\u00e9p c\u00f4ng c\u1ee5 S7:<\/p>

Y\u1ebfu t\u1ed1<\/strong><\/td>N\u1ed9i dung (%)<\/strong><\/td><\/tr>
Cacbon, C<\/td>0.5<\/td><\/tr>
Mangan, Mn<\/td>1<\/td><\/tr>
Crom, Cr<\/td>5.25<\/td><\/tr>
Molypden, Mo<\/td>1.1<\/td><\/tr>
Vanadi, V<\/td>0.5<\/td><\/tr>
Silic, Si<\/td>0.3<\/td><\/tr>
Ph\u1ed1t pho, P<\/td>0.03<\/td><\/tr>
L\u01b0u hu\u1ef3nh, S<\/td>0.03<\/td><\/tr><\/tbody><\/table><\/figure>

T\u00ednh ch\u1ea5t v\u1eadt l\u00fd c\u1ee7a th\u00e9p c\u00f4ng c\u1ee5 S7<\/h3>

Sau \u0111\u00e2y l\u00e0 c\u00e1c t\u00ednh ch\u1ea5t v\u1eadt l\u00fd c\u1ee7a th\u00e9p c\u00f4ng c\u1ee5 S7:<\/p>

T\u00e0i s\u1ea3n<\/strong><\/td>H\u1ec7 m\u00e9t<\/strong><\/td>\u0110\u1ebf qu\u1ed1c<\/strong><\/td><\/tr>
T\u1ec9 tr\u1ecdng<\/td>7,80 g\/cm\u00b3<\/td>0,282 lb\/in\u00b3<\/td><\/tr>
Nhi\u1ec7t dung ri\u00eang<\/td>0,460 J\/g\u00b7\u00b0C<\/td>0,110 BTU\/lb\u00b7\u00b0F<\/td><\/tr>
\u0110\u1ed9 d\u1eabn nhi\u1ec7t<\/td>25 W\/m\u00b7K<\/td>17,2 BTU\/gi\u1edd\u00b7ft\u00b7\u00b0F<\/td><\/tr>
M\u00f4 \u0111un \u0111\u00e0n h\u1ed3i<\/td>205 GPa<\/td>29,7 \u00d7 10\u2076 psi<\/td><\/tr><\/tbody><\/table><\/figure>

T\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc c\u1ee7a th\u00e9p c\u00f4ng c\u1ee5 S7<\/h3>

Sau \u0111\u00e2y l\u00e0 c\u00e1c t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc c\u1ee7a th\u00e9p c\u00f4ng c\u1ee5 S7:<\/p>

T\u00e0i s\u1ea3n<\/strong><\/td>H\u1ec7 m\u00e9t (20\u00b0C)<\/strong><\/td>H\u1ec7 m\u00e9t (300\u00b0C)<\/strong><\/td>H\u1ec7 m\u00e9t (500\u00b0C)<\/strong><\/td>\u0110\u1ebf qu\u1ed1c Anh (20\u00b0C)<\/strong><\/td>\u0110\u1ebf qu\u1ed1c Anh (300\u00b0C)<\/strong><\/td>\u0110\u1ebf qu\u1ed1c Anh (500\u00b0C)<\/strong><\/td><\/tr>
T\u00e1c \u0111\u1ed9ng Charpy<\/td>30 th\u00e1ng<\/td>25 th\u00e1ng<\/td>20 th\u00e1ng<\/td>22 ft\u00b7lb<\/td>18,5 ft\u00b7lb<\/td>14,8 ft\u00b7lb<\/td><\/tr>
\u0110\u1ed9 c\u1ee9ng (Rockwell C)<\/td>55-60HRC<\/td>50-55HRC<\/td>45-50HRC<\/td>55-60HRC<\/td>50-55HRC<\/td>45-50HRC<\/td><\/tr>
Kh\u1ea3 n\u0103ng gia c\u00f4ng<\/td>T\u1ed1t<\/td><\/tr>
T\u1ef7 s\u1ed1 Poisson<\/td>0.28<\/td><\/tr><\/tbody><\/table><\/figure>

C\u1ea5p th\u00e9p t\u01b0\u01a1ng \u0111\u01b0\u01a1ng S7<\/h2>

Sau \u0111\u00e2y l\u00e0 c\u00e1c c\u1ea5p t\u01b0\u01a1ng \u0111\u01b0\u01a1ng g\u1ea7n \u0111\u00fang cho th\u00e9p c\u00f4ng c\u1ee5 S7, c\u00f3 th\u1ec3 thay \u0111\u1ed5i t\u00f9y theo ti\u00eau chu\u1ea9n khu v\u1ef1c. C\u00e1c c\u1ea5p n\u00e0y cung c\u1ea5p c\u00e1c \u0111\u1eb7c t\u00ednh t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u00e0 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng thay th\u1ebf trong c\u00e1c m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng kh\u00e1c nhau.<\/p>

Ti\u00eau chu\u1ea9n<\/strong><\/td>Ti\u00eau chu\u1ea9n ASTMA681<\/strong><\/td>Ti\u00eau chu\u1ea9n DIN 1.2714<\/strong><\/td>Ti\u00eau chu\u1ea9n SKS3<\/strong><\/td>T41907<\/strong><\/td>Ti\u00eau chu\u1ea9n DIN 1.2355<\/strong><\/td><\/tr>
Qu\u1ed1c gia<\/td>Hoa K\u1ef3<\/td>\u0110\u1ee9c<\/td>Nh\u1eadt B\u1ea3n<\/td>Hoa K\u1ef3<\/td>\u0110\u1ee9c<\/td><\/tr>
L\u1edbp t\u01b0\u01a1ng \u0111\u01b0\u01a1ng<\/td>S7<\/td>1.2714<\/td>SKS3<\/td>UNS T41907<\/td>1.2355<\/td><\/tr><\/tbody><\/table><\/figure>

S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa th\u00e9p S7 v\u00e0 th\u00e9p D2 l\u00e0 g\u00ec?<\/h3>

S7 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng s\u1ed1c t\u1ed1t h\u01a1n v\u00e0 l\u00fd t\u01b0\u1edfng cho c\u00e1c d\u1ee5ng c\u1ee5 d\u1ec5 b\u1ecb va \u0111\u1eadp, trong khi D2 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n v\u00e0 \u0111\u1ed9 c\u1ee9ng v\u01b0\u1ee3t tr\u1ed9i, th\u00edch h\u1ee3p cho c\u00e1c d\u1ee5ng c\u1ee5 c\u1eaft v\u00e0 t\u1ea1o h\u00ecnh.<\/p>

Ch\u1ebf t\u1ea1o th\u00e9p c\u00e1n ngu\u1ed9i S7<\/h2>

C\u00e1c b\u01b0\u1edbc ch\u1ebf t\u1ea1o \u0111\u00fang l\u00e0 ch\u00eca kh\u00f3a \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c hi\u1ec7u su\u1ea5t t\u1ed1t nh\u1ea5t t\u1eeb th\u00e9p S7. R\u00e8n, x\u1eed l\u00fd nhi\u1ec7t v\u00e0 gia c\u00f4ng \u0111\u1ec1u \u0111\u00f3ng vai tr\u00f2 trong vi\u1ec7c gi\u1ea3i ph\u00f3ng to\u00e0n b\u1ed9 ti\u1ec1m n\u0103ng c\u1ee7a n\u00f3 v\u1ec1 \u0111\u1ed9 b\u1ec1n, \u0111\u1ed9 c\u1ee9ng v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n. H\u00e3y c\u00f9ng t\u00ecm hi\u1ec3u t\u1eebng quy tr\u00ecnh v\u00e0 xem ch\u00fang t\u1ea1o n\u00ean s\u1ef1 kh\u00e1c bi\u1ec7t nh\u01b0 th\u1ebf n\u00e0o.<\/p>

R\u00e8n\/C\u00e1n<\/strong><\/h4>

\u0110\u1ed1i v\u1edbi vi\u1ec7c r\u00e8n ho\u1eb7c c\u00e1n th\u00e9p S7, h\u00e3y nung n\u00f3ng th\u00e9p \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 t\u1eeb 1000\u00b0C \u0111\u1ebfn 1100\u00b0C (1832\u00b0F \u0111\u1ebfn 2012\u00b0F). Duy tr\u00ec nhi\u1ec7t \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh trong su\u1ed1t qu\u00e1 tr\u00ecnh \u0111\u1ea3m b\u1ea3o c\u1ea5u tr\u00fac h\u1ea1t m\u1ecbn, \u0111\u1ed3ng \u0111\u1ec1u v\u00e0 ng\u0103n ng\u1eeba n\u1ee9t. L\u00e0m ngu\u1ed9i th\u00e9p d\u1ea7n d\u1ea7n sau qu\u00e1 tr\u00ecnh n\u00e0y l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 gi\u1ea3m \u1ee9ng su\u1ea5t b\u00ean trong.<\/p>

X\u1eed l\u00fd nhi\u1ec7t<\/strong><\/h4>

X\u1eed l\u00fd nhi\u1ec7t th\u00e9p S7 r\u1ea5t c\u1ea7n thi\u1ebft \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t c\u1ee7a th\u00e9p, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong c\u00e1c \u1ee9ng d\u1ee5ng ch\u1ecbu t\u00e1c \u0111\u1ed9ng m\u1ea1nh.<\/p>

  • \u1ee6:<\/strong> L\u00e0m n\u00f3ng th\u00e9p S7 \u0111\u1ebfn 800\u00b0C \u0111\u1ebfn 850\u00b0C (1472\u00b0F \u0111\u1ebfn 1562\u00b0F), sau \u0111\u00f3 l\u00e0m ngu\u1ed9i ch\u1eadm trong kh\u00f4ng kh\u00ed t\u0129nh ho\u1eb7c trong l\u00f2 nung. Quy tr\u00ecnh n\u00e0y l\u00e0m gi\u00e3n th\u00e9p, gi\u1ea3m thi\u1ec3u s\u1ee9c c\u0103ng b\u00ean trong v\u00e0 gi\u00fap x\u1eed l\u00fd \u0111\u01a1n gi\u1ea3n h\u01a1n.<\/li>\n\n
  • L\u00e0m n\u00f3ng tr\u01b0\u1edbc:<\/strong> L\u00e0m n\u00f3ng tr\u01b0\u1edbc th\u00e9p S7 theo hai giai \u0111o\u1ea1n: \u0111\u1ea7u ti\u00ean \u1edf kho\u1ea3ng 500\u00b0C \u0111\u1ebfn 600\u00b0C (932\u00b0F \u0111\u1ebfn 1112\u00b0F), ti\u1ebfp theo l\u00e0 800\u00b0C \u0111\u1ebfn 850\u00b0C (1472\u00b0F \u0111\u1ebfn 1562\u00b0F) tr\u01b0\u1edbc khi t\u00f4i. \u0110i\u1ec1u n\u00e0y gi\u00fap ng\u0103n ng\u1eeba n\u1ee9t trong qu\u00e1 tr\u00ecnh t\u00f4i c\u1ee9ng.<\/li>\n\n
  • Austenit h\u00f3a:<\/strong> L\u00e0m n\u00f3ng th\u00e9p S7 \u0111\u1ebfn 1000\u00b0C \u0111\u1ebfn 1050\u00b0C (1832\u00b0F \u0111\u1ebfn 1922\u00b0F) v\u00e0 gi\u1eef trong 30-60 ph\u00fat. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o c\u1ea5u tr\u00fac austenit \u0111\u1ed3ng nh\u1ea5t, r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 l\u00e0m c\u1ee9ng hi\u1ec7u qu\u1ea3.<\/li>\n\n
  • L\u00e0m c\u1ee9ng:<\/strong> L\u00e0m ngu\u1ed9i th\u00e9p nhanh trong kh\u00f4ng kh\u00ed ho\u1eb7c d\u1ea7u \u0111\u1ec3 \u0111\u1ea1t \u0111\u1ed9 c\u1ee9ng 55-60 HRC. L\u00e0m ngu\u1ed9i nhanh s\u1ebd kh\u00f3a ch\u1eb7t c\u1ea5u tr\u00fac v\u00e0 t\u0103ng kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n, nh\u01b0ng ph\u1ea3i c\u1ea9n th\u1eadn \u0111\u1ec3 tr\u00e1nh cong v\u00eanh.<\/li>\n\n
  • L\u00e0m ngu\u1ed9i:<\/strong> Sau khi t\u00f4i, t\u00f4i th\u00e9p \u1edf nhi\u1ec7t \u0111\u1ed9 500\u00b0C \u0111\u1ebfn 600\u00b0C (932\u00b0F \u0111\u1ebfn 1112\u00b0F) trong 2-3 gi\u1edd \u0111\u1ec3 gi\u1ea3i ph\u00f3ng \u1ee9ng su\u1ea5t d\u01b0 v\u00e0 c\u00e2n b\u1eb1ng \u0111\u1ed9 c\u1ee9ng v\u1edbi \u0111\u1ed9 d\u1ebbo dai. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o th\u00e9p gi\u1eef \u0111\u01b0\u1ee3c \u0111\u1ed9 b\u1ec1n trong khi ng\u0103n ng\u1eeba gi\u00f2n.<\/li><\/ul>

    Gia c\u00f4ng<\/strong><\/h4>

    Th\u00e9p S7 t\u01b0\u01a1ng \u0111\u1ed1i d\u1ec5 gia c\u00f4ng do c\u00f3 \u0111\u1ed9 c\u1ee9ng v\u00e0 \u0111\u1ed9 d\u1ebbo dai tuy\u1ec7t v\u1eddi sau khi x\u1eed l\u00fd nhi\u1ec7t. Tuy nhi\u00ean, c\u1ea7n \u0111\u1eb7c bi\u1ec7t ch\u00fa \u00fd trong qu\u00e1 tr\u00ecnh c\u1eaft:<\/p>

    • C\u1eaft:<\/strong> S\u1eed d\u1ee5ng th\u00e9p t\u1ed1c \u0111\u1ed9 cao (HSS) ho\u1eb7c d\u1ee5ng c\u1ee5 cacbua \u0111\u1ec3 gia c\u00f4ng S7. C\u1ea7n duy tr\u00ec t\u1ed1c \u0111\u1ed9 c\u1eaft \u1ed5n \u0111\u1ecbnh \u0111\u1ec3 tr\u00e1nh qu\u00e1 nhi\u1ec7t, c\u00f3 th\u1ec3 g\u00e2y ra khuy\u1ebft t\u1eadt b\u1ec1 m\u1eb7t.<\/li>\n\n
    • X\u1eed l\u00fd b\u1ec1 m\u1eb7t:<\/strong> \u0110\u1ec3 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n, h\u00e3y \u00e1p d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd nh\u01b0 th\u1ea5m nit\u01a1 ho\u1eb7c ph\u1ee7 PVD. Th\u1ea5m nit\u01a1 c\u1ea3i thi\u1ec7n \u0111\u1ed9 c\u1ee9ng b\u1ec1 m\u1eb7t m\u00e0 kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 b\u1ec1n c\u1ee7a l\u00f5i, trong khi l\u1edbp ph\u1ee7 PVD cung c\u1ea5p kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 b\u1ed5 sung ch\u1ed1ng m\u00e0i m\u00f2n v\u00e0 \u0103n m\u00f2n.<\/li>\n\n
    • L\u00e0m m\u00e1t v\u00e0 gi\u1ea3m c\u0103ng th\u1eb3ng:<\/strong> Th\u00e9p S7 c\u00f3 th\u1ec3 c\u1ea7n l\u00e0m m\u00e1t gi\u1ea3m \u1ee9ng su\u1ea5t sau khi gia c\u00f4ng ho\u1eb7c t\u00f4i luy\u1ec7n. \u0110i\u1ec1u n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n trong kh\u00f4ng kh\u00ed t\u0129nh \u0111\u1ec3 gi\u1ea3m thi\u1ec3u \u1ee9ng su\u1ea5t nhi\u1ec7t, \u0111\u1ea3m b\u1ea3o b\u1ed9 ph\u1eadn cu\u1ed1i c\u00f9ng v\u1eabn \u1ed5n \u0111\u1ecbnh v\u1ec1 k\u00edch th\u01b0\u1edbc v\u00e0 kh\u00f4ng b\u1ecb n\u1ee9t.<\/li><\/ul>

      Qu\u00e1 tr\u00ecnh n\u00e0y \u0111\u1ea3m b\u1ea3o r\u1eb1ng th\u00e9p l\u00e0m vi\u1ec7c ngu\u1ed9i S7 v\u1eabn gi\u1eef \u0111\u01b0\u1ee3c \u0111\u1ed9 c\u1ee9ng, \u0111\u1ed9 d\u1ebbo dai v\u00e0 \u0111\u1eb7c t\u00ednh hi\u1ec7u su\u1ea5t v\u01b0\u1ee3t tr\u1ed9i cho c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi kh\u1eaft khe.<\/p>

      S\u1ea3n ph\u1ea9m ch\u00fang t\u00f4i cung c\u1ea5p cho th\u00e9p l\u00e0m vi\u1ec7c ngu\u1ed9i S7<\/h2>

      SteelPRO Group l\u00e0 nh\u00e0 cung c\u1ea5p h\u00e0ng \u0111\u1ea7u v\u1ec1 v\u1eadt li\u1ec7u th\u00e9p c\u00f4ng c\u1ee5 S7. Ch\u00fang t\u00f4i cung c\u1ea5p nhi\u1ec1u lo\u1ea1i h\u00ecnh d\u1ea1ng, bao g\u1ed3m thanh tr\u00f2n S7, thanh ph\u1eb3ng, t\u1ea5m, thanh v\u00e0 k\u00edch th\u01b0\u1edbc t\u00f9y ch\u1ec9nh. \u0110\u1eebng ng\u1ea7n ng\u1ea1i li\u00ean h\u1ec7 \u0111\u1ec3 bi\u1ebft th\u00eam chi ti\u1ebft ho\u1eb7c b\u00e1o gi\u00e1 nhanh.<\/p>

      C\u00e1c h\u00ecnh th\u1ee9c v\u00e0 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt th\u00e9p S7 c\u00f3 s\u1eb5n:<\/h3>
      • Thanh th\u00e9p tr\u00f2n S7<\/strong>: \u0110\u01b0\u1eddng k\u00ednh t\u1eeb 10mm \u2013 900mm<\/li>\n\n
      • T\u1ea5m th\u00e9p S7<\/strong>: \u0110\u1ed9 d\u00e0y t\u1eeb 5mm \u2013 500mm, Chi\u1ec1u r\u1ed9ng t\u1eeb 150mm \u2013 2000mm<\/li>\n\n
      • Thanh th\u00e9p d\u1eb9t S7<\/strong>: \u0110\u1ed9 d\u00e0y t\u1eeb 3mm \u2013 150mm, Chi\u1ec1u r\u1ed9ng t\u1eeb 50mm \u2013 1500mm<\/li>\n\n
      • Thanh th\u00e9p S7<\/strong>: \u0110\u01b0\u1eddng k\u00ednh t\u1eeb <\/strong>10mm \u2013 800mm, (c\u00f3 th\u1ec3 t\u00f9y ch\u1ec9nh chi\u1ec1u d\u00e0i theo y\u00eau c\u1ea7u)<\/li>\n\n
      • K\u00edch th\u01b0\u1edbc t\u00f9y ch\u1ec9nh th\u00e9p S7<\/strong>: Ph\u00f9 h\u1ee3p v\u1edbi y\u00eau c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a kh\u00e1ch h\u00e0ng<\/li><\/ul>

        D\u1ecbch v\u1ee5 b\u1ed5 sung:<\/h3>
        • Ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t<\/strong>: C\u00f3 s\u1eb5n m\u00e0u \u0111en, gia c\u00f4ng th\u00f4, ti\u1ec7n ho\u1eb7c ho\u00e0n thi\u1ec7n theo y\u00eau c\u1ea7u<\/li>\n\n
        • X\u1eed l\u00fd<\/strong>:Ch\u00fang t\u00f4i cung c\u1ea5p c\u00e1c quy tr\u00ecnh c\u00e1n n\u00f3ng, r\u00e8n, k\u00e9o ngu\u1ed9i v\u00e0 c\u00e1c quy tr\u00ecnh t\u00f9y ch\u1ec9nh kh\u00e1c \u0111\u1ec3 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a b\u1ea1n<\/li><\/ul>

          \u1ee8ng d\u1ee5ng c\u1ee7a th\u00e9p c\u00f4ng c\u1ee5 l\u00e0m vi\u1ec7c ngu\u1ed9i ASTM S7<\/h2>

          Th\u00e9p S7 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho c\u00e1c c\u00f4ng c\u1ee5 hi\u1ec7u su\u1ea5t cao, trong \u0111\u00f3 \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp v\u00e0 m\u00e0i m\u00f2n l\u00e0 r\u1ea5t quan tr\u1ecdng. Th\u00e9p n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p \u0111\u00f2i h\u1ecfi c\u00e1c c\u00f4ng c\u1ee5 b\u1ec1n b\u1ec9, \u0111\u00e1ng tin c\u1eady c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu \u0111\u01b0\u1ee3c \u0111i\u1ec1u ki\u1ec7n \u1ee9ng su\u1ea5t cao. C\u00e1c \u1ee9ng d\u1ee5ng ph\u1ed5 bi\u1ebfn bao g\u1ed3m:<\/p>

          • D\u1ee5ng c\u1ee5 c\u1eaft<\/strong>: D\u1ee5ng c\u1ee5 c\u1eaft r\u00e3nh then, c\u01b0a c\u1eaft, m\u00e1y khoan<\/li>\n\n
          • Khu\u00f4n m\u1eabu<\/strong>: Khu\u00f4n \u00e9p nh\u1ef1a, khu\u00f4n \u0111\u00f9n, khu\u00f4n \u0111\u1ecbnh h\u00ecnh ngu\u1ed9i<\/li>\n\n
          • \u0110\u00fac khu\u00f4n<\/strong>: Khu\u00f4n \u0111\u00fac khu\u00f4n nh\u00f4m v\u00e0 k\u1ebdm, khu\u00f4n \u0111\u1ecbnh h\u00ecnh<\/li>\n\n
          • C\u00f4ng c\u1ee5 b\u00e1o ch\u00ed<\/strong>: Khu\u00f4n d\u1eadp, d\u1ee5ng c\u1ee5 t\u1ea1o h\u00ecnh, khu\u00f4n c\u1eaft<\/li>\n\n
          • C\u00f4ng c\u1ee5 khai th\u00e1c<\/strong>: M\u0169i khoan, thanh khoan, \u0111\u1ee5c khai th\u00e1c<\/li>\n\n
          • \u00d4 t\u00f4<\/strong>: D\u1ee5ng c\u1ee5 s\u1ea3n xu\u1ea5t tr\u1ee5c b\u00e1nh xe, khu\u00f4n \u0111\u1ed9t, khu\u00f4n tr\u1ee5c cam<\/li>\n\n
          • H\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5<\/strong>: Khu\u00f4n r\u00e8n h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5, d\u1ee5ng c\u1ee5 t\u1ea1o h\u00ecnh c\u00e1nh tua bin<\/li>\n\n
          • S\u1ef1 thi c\u00f4ng<\/strong>: D\u1ee5ng c\u1ee5 nghi\u1ec1n \u0111\u00e1, d\u1ee5ng c\u1ee5 \u0111\u1ea7m b\u00ea t\u00f4ng<\/li><\/ul>

            S7 l\u00fd t\u01b0\u1edfng cho nh\u1eefng m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t, n\u01a1i c\u1ea3 \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n \u0111\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a d\u1ee5ng c\u1ee5.<\/p>

            Nh\u00e0 cung c\u1ea5p th\u00e9p c\u00f4ng c\u1ee5 S7<\/h2>

            SteelPRO Group cung c\u1ea5p th\u00e9p c\u00f4ng c\u1ee5 S7 v\u1edbi m\u1ed9t l\u1ee3i th\u1ebf \u0111\u1ed9c \u0111\u00e1o\u2014kh\u1ea3 n\u0103ng cung c\u1ea5p c\u00e1c h\u00ecnh d\u1ea1ng v\u00e0 k\u00edch th\u01b0\u1edbc t\u00f9y ch\u1ec9nh v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c v\u01b0\u1ee3t tr\u1ed9i. Ch\u00fang t\u00f4i c\u0169ng c\u00f3 th\u1ec3 cung c\u1ea5p c\u00e1c thanh tr\u00f2n S7 \u0111\u01b0\u1eddng k\u00ednh l\u1edbn v\u00e0 c\u00e1c t\u1ea5m ch\u1ecbu l\u1ef1c n\u1eb7ng, \u0111\u01b0\u1eddng k\u00ednh l\u00ean \u0111\u1ebfn 1000mm v\u00e0 \u0111\u1ed9 d\u00e0y 600mm, ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a b\u1ea1n. <\/p>

            Ngo\u00e0i ra, ch\u00fang t\u00f4i cung c\u1ea5p nhi\u1ec1u lo\u1ea1i b\u1ec1 m\u1eb7t ho\u00e0n thi\u1ec7n, t\u1eeb gia c\u00f4ng th\u00f4 \u0111\u1ebfn \u0111\u00e1nh b\u00f3ng, v\u00e0 c\u00e1c d\u1ecbch v\u1ee5 gi\u00e1 tr\u1ecb gia t\u0103ng nh\u01b0 x\u1eed l\u00fd nhi\u1ec7t v\u00e0 gi\u1ea3m \u1ee9ng su\u1ea5t \u0111\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t c\u1ee7a th\u00e9p. V\u1edbi s\u1ef1 t\u1eadn t\u00e2m c\u1ee7a ch\u00fang t\u00f4i \u0111\u1ed1i v\u1edbi ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 t\u00ednh linh ho\u1ea1t, ch\u00fang t\u00f4i \u0111\u1ea3m b\u1ea3o b\u1ea1n nh\u1eadn \u0111\u01b0\u1ee3c v\u1eadt li\u1ec7u ch\u00ednh x\u00e1c cho c\u00e1c \u1ee9ng d\u1ee5ng kh\u00f3 kh\u0103n nh\u1ea5t c\u1ee7a b\u1ea1n.<\/p>","protected":false},"excerpt":{"rendered":"

            Th\u00e9p c\u00f4ng c\u1ee5 S7 l\u00e0 v\u1eadt li\u1ec7u ch\u1ea5t l\u01b0\u1ee3ng h\u00e0ng \u0111\u1ea7u \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn v\u00ec \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp v\u00e0 m\u00e0i m\u00f2n v\u01b0\u1ee3t tr\u1ed9i. L\u00fd t\u01b0\u1edfng cho [\u2026]<\/p>","protected":false},"author":12,"featured_media":19870,"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":[4294,4293],"tags":[],"class_list":["post-19873","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-grades-tool-steel","category-tool-steel"],"acf":[],"_links":{"self":[{"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/posts\/19873","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=19873"}],"version-history":[{"count":0,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/posts\/19873\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/media\/19870"}],"wp:attachment":[{"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/media?parent=19873"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/categories?post=19873"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/steelprogroup.com\/vi\/wp-json\/wp\/v2\/tags?post=19873"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}