熱軋鋼板厚度的允許偏差(摘自GB/T709 - 1988 )
發(fā)布人:管理員 發(fā)布日期:2014-09-15 08:23:37
熱軋鋼板厚度的允許偏差(摘自GB/T709 - 1988 ) |
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一、較高軋制精度
公稱厚度(鋼板和鋼帶)/mm |
在下列寬度時的厚度允許偏差/mm |
600~750 |
>750~1000 |
>1000~1500 |
1500~2000 |
>2000~2300 |
>2300~2700 |
>2700~3000 |
>0.35~0.50 |
±0.05 |
±0.05 |
- |
- |
- |
- |
- |
>0.50~0.60 |
±0.06 |
±0.06 |
- |
- |
- |
- |
- |
>0.60~0.75 |
±0.07 |
±0.07 |
- |
- |
- |
- |
- |
>0.75~0.90 |
±0.08 |
±0.08 |
- |
- |
- |
- |
- |
>0.90~1.10 |
±0.09 |
±0.09 |
- |
- |
- |
- |
- |
>1.10~1.20 |
±0.10 |
±0.11 |
±0.11 |
- |
- |
- |
- |
>1.20~1.30 |
±0.11 |
±0.12 |
±0.12 |
- |
- |
- |
- |
>1.30~1.40 |
±0.11 |
±0.12 |
±0.12 |
- |
- |
- |
- |
>1.40~1.60 |
±0.12 |
±0.13 |
±0.13 |
- |
- |
- |
- |
>1.60~1.80 |
±0.13 |
±0.14 |
±0.14 |
- |
- |
- |
- |
>1.80~2.00 |
±0.14 |
±0.15 |
±0.16 |
±0.17 |
- |
- |
- |
>2.00~2.20 |
±0.15 |
±0.16 |
±0.17 |
±0.18 |
- |
- |
- |
>2.20~2.50 |
±0.16 |
±0.17 |
±0.18 |
±0.19 |
- |
- |
- |
>2.50~3.00 |
±0.17 |
±0.18 |
±0.19 |
±0.20 |
±0.23 |
- |
- |
>3.00~3.50 |
±0.18 |
±0.19 |
±0.20 |
±0.22 |
±0.26 |
- |
- |
>3.50~4.00 |
±0.21 |
±0.22 |
±0.24 |
±0.26 |
±0.30 |
- |
- |
>4.00~5.50 |
+0.10-0.30 |
+0.15-0.30 |
+0.10-0.40 |
+0.20-0.40 |
+0.25-0.40 |
- |
- |
>5.50~7.50 |
+0.10-0.40 |
+0.10-0.50 |
+0.10-0.50 |
+0.20-0.50 |
+0.25-0.60 |
- |
- |
>7.50~10.0 |
+0.10-0.70 |
+0.10-0.70 |
+0.20-0.70 |
+0.20-0.70 |
+0.25-0.70 |
- |
- |
>10.0~13.0 |
+0.10-0.70 |
+0.10-0.70 |
+0.20-0.70 |
+0.30-0.70 |
+0.35-0.70 |
- |
- |
二、普通軋制精度
公稱厚度(鋼板和鋼帶)/mm |
在下列寬度時的厚度允許偏差/mm ( 鋼材網(wǎng) www.gangcai.com ) |
600~750 |
>750~1000 |
>1000~1500 |
1500~2000 |
>2000~2300 |
>2300~2700 |
>2700~3000 |
>0.35~0.50 |
±0.07 |
±0.07 |
- |
- |
- |
- |
- |
>0.50~0.60 |
±0.08 |
±0.08 |
- |
- |
- |
- |
- |
>0.60~0.75 |
±0.09 |
±0.09 |
- |
- |
- |
- |
- |
>0.75~0.90 |
±0.10 |
±0.10 |
- |
- |
- |
- |
- |
>0.90~1.10 |
±0.11 |
±0.12 |
- |
- |
- |
- |
- |
>1.10~1.20 |
±0.12 |
±0.13 |
±0.15 |
- |
- |
- |
- |
>1.20~1.30 |
±0.13 |
±0.14 |
±0.15 |
- |
- |
- |
- |
>1.30~1.40 |
±0.14 |
±0.15 |
±0.18 |
- |
- |
- |
- |
>1.40~1.60 |
±0.15 |
±0.15 |
±0.18 |
- |
- |
- |
- |
>1.60~1.80 |
±0.15 |
±0.17 |
±0.18 |
- |
- |
- |
- |
>1.80~2.00 |
±0.16 |
±0.17 |
±0.18 |
±0.20 |
- |
- |
- |
>2.00~2.20 |
±0.17 |
±0.18 |
±0.19 |
±0.20 |
- |
- |
- |
>2.20~2.50 |
±0.18 |
±0.19 |
±0.20 |
±0.21 |
- |
- |
- |
>2.50~3.00 |
±0.19 |
±0.20 |
±0.21 |
±0.22 |
±0.25 |
- |
- |
>3.00~3.50 |
±0.20 |
±0.21 |
±0.22 |
±0.24 |
±0.29 |
- |
- |
>3.50~4.00 |
±0.23 |
±0.26 |
±0.28 |
±0.28 |
±0.33 |
- |
- |
>4.00~5.50 |
+0.20-0.40 |
+0.30-0.40 |
+0.30-0.50 |
+0.40-0.50 |
+0.45-0.5 |
- |
- |
>5.50~7.50 |
+0.20-0.50 |
+0.20-0.60 |
+0.25-0.60 |
+0.40-0.60 |
+0.45-0.60 |
- |
- |
>7.50~10.0 |
+0.20-0.80 |
+0.20-0.80 |
+0.30-0.80 |
+0.35-0.80 |
+0.45-0.80 |
+0.60-0.80 |
- |
>10.0~13.0 |
+0.20-0.80 |
+0.20-0.80 |
+0.30-0.80 |
+0.40-0.80 |
+0.50-0.80 |
+0.70-0.80 |
+1.00-0.80 |
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