1、鋼板和鋼帶公稱厚度(mm)
1.1,1.25,1.4,1.5,1.8,2.0,2.5,2.8,3.0,3.2,3.5,3.8,4.0,4.5,5.0,5.5,6.0,6.5,7.0,8.0,10.0,11.0,12.0,13.0
2、鋼板和鋼帶公稱寬度(mm)
700,750,800,850,900,950,1000,1050,1100,1150,1200,1250,1300,1350,1400,1450,1500,1550
3、鋼板公稱長度(mm)
2000,2500,3000,3500,4000,4500,5000,5500,6000,6500,7000,8000,9000,10000,11000,12000
4、鋼板和鋼帶允許偏差
單位:mm
| 厚度 | 厚度允許偏差 | 寬度 | 寬度允許偏差 | |||||||
| 寬度 | 厚度 | |||||||||
| ≤1000 | >1000-1200 | >1200-1500 | ≤6.0 | >6.0 | ||||||
| 軋制邊 | 切邊 | 軋制邊 | 切邊 | |||||||
| 1.2-1.25 | ±0.13 | ±0.13 | — | 700-<1000 | +25 | +10 | +25 | +10 | ||
| 1.4 | ±0.15 | ±0.15 | — | 1000-<1250 | +30 | +30 | +10 | |||
| 1.5 | ±0.15 | ±0.15 | ±0.15 | 1250-1550 | +35 | +35 | +15 | |||
| 1.6-1.8 | ±0.16 | ±0.16 | ±0.16 | 寬度 | 縱切鋼帶寬度允許偏差 | |||||
| 2.0 | +0.15-0.18 | ±0.18 | ±0.18 | |||||||
| 2.2 | +0.15-0.19 | ±0.19 | ±0.19 | 厚 度 | ||||||
| 2.5 | +0.16-0.20 | ±0.22 | ±0.20 | |||||||
| 2.8-3.0 | +0.17-0.22 | ±0.25 | ±0.22 | ≤4.0 | >4.0-6.0 | >6.0 | ||||
| 3.2-3.5 | +0.18-0.25 | ±0.30 | ±0.25 | <160 | ±0.5 | ±0.8 | ±1.0 | |||
| 3.8-4.0 | +0.20-0.30 | +0.40-0.50 | ±0.30 | 160-250 | ±0.8 | ±1.0 | ±1.2 | |||
| 4.5-5.5 | +0.30-0.50 | +0.40-0.50 | ±0.50 | >250-700 | ±1.0 | ±1.0 | ±1.2 | |||
| 6.0-7.0 | +0.30-0.60 | +0.30-0.60 | +0.40-0.60 | 長度 | 長度允許偏差 | |||||
| 8.0-10.0 | +0.20-0.80 | +0.30-0.80 | +0.30-0.80 | ≤6000 | +25 | |||||
| 11.0-13.0 | +0.20-0.80 | +0.30-0.80 | +0.30-0.80 | >6000 | +30 | |||||
| - | - | - | - | - | - | - | - | - | - | - |
5、標記示例
用RJ216牌號軋制的10*1200*4500mm鋼板標記為:
10*1200*4500-GB 2519-81
RJ216-GB 2517-81
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