公称直径为5mm～40mm各类钢的盘条钢
公称直径，mm
A级精度B级精度C级精度A级精度B级精度C级精度
50.1545.50.18760.2226.50.2670.302
7.50.347
80.3958.50.44590.4999.50.556100.61710.50.68110.74611.50.816120.88812.50.963
13 1.0413.5 1.1214 1.2114.5 1.315 1.3915.5 1.4816 1.5817 1.7818219 2.23
20 2.47
21 2.7222 2.9823 3.2624 3.5525 3.8526 4.1727 4.4928 4.8329 5.1830 5.5531 5.9232 6.31
33 6.71
347.13357.99
≤0.56≤0.40±0.60±0.40±0.30≤0.80≤0.64≤0.48±0.50≤0.32
允许偏差，mm 不圆度，mm ±0.30±0.25盘条的公称直径和公称和允许偏差
±0.40±0.30±0.20≤0.60±0.35±0.25≤0.70±0.15≤0.50≤0.40≤0.24、理论重量，kg/m
≤0.48
368.44 378.9 389.38 399.87 40
公称直径，mm
A级精度B级精度C级精度
55.566.57
7.5
88.599.51010.51111.51212.5
1313.51414.51515.516171819
20
212223242526272829303132
33
34
不圆度，mm ≤0.50≤0.40≤0.24、≤0.80≤0.64≤0.48≤0.60≤0.48≤0.32
≤0.70≤0.56≤0.40
35 36 37 38 39 40