公称厚度 | 1.2,1.25,1.4,1.5,1.8,2.0,2.5,2.8,3.0,3.2,3.5,3.8,4.0,4.5,5.O,5.5,6.0,6.5,7.O,8.O,10,11,12,13 |
公称宽度 | 700,750,800,850,900,950,1000,1050,1100,1150,1200,1250,1300,1350,1400,1450,1500,1550 |
公称长度 | 2000,2500,3000,3500,4000,4500,5000,5500,6000,6500,7000,8000,9000,10000,11000,12000 |
厚度 | 允许偏差 | ||
宽 度 | |||
≤1000 | >1000~1200 | >1200~1550 | |
1.2~1.25 | ±O.13 | ±0.13 | |
1.4 | ±O.15 | ±0.15 | |
1.5 | ±O.15 | ±O.15 | ±O.15 |
1.6~1.8 | ±O.16 | ±0.16 | ±0.16 |
2.0 | +O.15 -0.18 | ±O.18 | 士O.18 |
2.2 | +O.15 -0.19 | +O.19 | ±0.19 |
2.5 | +O.16 -O.20 | ±0.20 | ±O.20 |
2.8~3.O | +O.17 -0.22 | ±O.22 | ±O.22 |
3.2~3.5 | +0.18 -0.25 | ±O.25 | ±0.25 |
3.8~4.O | +0.20 -0.30 | ±0.30 | ±0.30· |
4.5~5.5 | +0.30 -0.50 | +0.40 -0.50 | 士0.50 |
6.O~7.O | +O.30 -O.60 | +0.40 -O.60 | +O.40 -0.60 |
8.0~lO.O | +0.20 -O.80 | +0.30 -O.80 | +0.30 -O.80 |
11.O~13.O | +O.20 -0.80 | +0.30 -0.80 | +0.30 -O.80 |
(3)用途用于建筑、桥梁、车辆等一般结构。