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|
外径×壁厚/mm | ||||
|
10.3×0.15 |
12.4×0.20 |
15.4×0.20 |
18.4×0.20 |
24.0×0.20 |
|
24.4×0.20 |
26.4×0.20 |
32.4×0.20 |
35.0×0.50 |
40.4×0.20 |
|
40.6×0.30 |
41.0×0.50 |
41.2×0.60 |
48.0×0.25 |
50.5×0.25 |
|
53.2×0.60 |
55.0×0.50 |
59.6×0.30 |
60.0×0.25 |
60.0×0.50 |
|
61.0×0.35 |
61.0×0.50 |
61.2×0.60 |
67.6×0.30 |
67.8×0.40 |
|
70.2×0.60 |
74.0×0.50 |
75.5×0.25 |
75.6×0.30 |
82.8×0.40 |
|
直径／mm |
普通级／mm |
高级／mm |
|
10～250 |
+0.05
-0.10 |
±0.05 |
|
钢管尺寸／mm |
壁厚允许偏差／mm | ||
|
外径 |
壁厚 |
普通级 |
高 级 |
|
≤60 |
≤0.20 |
±0.03 |
+0.03
-0.0l |
|
0.25 |
+0.04
-0.03 |
+0.03
-0.02 | |
|
0.30 |
±0.04 |
±0.03 | |
|
0.35 |
+0.05
-0.04 |
+0.04
-0.03 | |
|
≤60 |
0.40 |
±0.05 |
±0.04 |
|
0.50 |
±0.06 |
+0.05
-0.04 | |
|
0.60 |
±0.08 |
±0.05 | |
|
>60 |
≤0.25 |
±0.04 |
±0.03 |
|
0.30 |
±0.04 |
+0.04
-0.03 | |
|
0.35 |
±0.05 |
±0.04 | |
|
0.40 |
±0.05 |
+0.05
-0.04 | |
|
0.50 |
±0.06 |
±0.05 | |
|
0.60 |
±0.08 |
±0.05 | |