槽钢、方管、矩形管规格表[1](4)

1.75 2 2.5 3 1.5 1.75 2

40

30

±0.50

3 1.5 1.75 2 2.5 3 1.5

50

30

±0.50

1.75 2 2.5

1.49 1.68 2.03 2.36 1.41 1.63 1.83 2.23 2.6 1.53 1.77 1.99 2.42 2.83 1.65 1.9 2.15

1.9 2.14 2.59 3.01 1.8 2.07 2.34 2.84 3.31 1.95 2.25 2.54 3.09 3.61 2.1 2.42 2.74

3.684.054.695.213.824.324.775.576.244.384.965.496.457.276.657.558.38

1.231.341.541.681.842.072.282.642.942.813.173.514.1 4.6 2.252.542.81

1.391.38

0.804 0.793

1.842.02

1.231.341.541.681.471.661.822.112.351.872.112.342.743.071.8 2.032.25

3.11 3.45 4.06 4.57 4.06 4.63 5.17 6.15 7 5.52 6.31 7.07 8.47 9.72 5.52 6.32 7.06

2.14

定尺精度

2.36 2.72 3 2.46 2.76 3.07 3.59 4.01 3.02 3.42 3.79 4.46 5.03 3.41 3.54 3.92

级别 普通级别

长度范围/mm 4000～12000

允许偏差/mm (+70,0) (+5,0) (+10,0)

40

25

±0.50

1.350.772.351.32

0.748

2.6

精确级别4000～6000精确级别

＞6000～12000

1.461.011.911.441.431.41.371.51.481.471.451.42

0.999 0.988 0.965 0.942 1.199 1.187 1.176 1.153 1.129

2.162.392.793.122.192.482.753.233.63

50

25

±0.50

1.781.042.661.76

1.024

3.02

1.751.013.35