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| 鋼管知識 |
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| 精密鋼管尺寸公差 |
| 雙擊自動滾屏 |
發布者：m.xhgt.cc 發布時間：2013/7/17 閱讀：5123次 【字體：大 中 小】 |
精密鋼管尺寸公差
|
尺寸公差(壁厚偏差±5%) |
|
內徑尺寸 |
H8 |
H9 |
H10 |
|
30 |
+0.033
0 |
+0.052
0 |
+0.084
0 |
|
>30-50 |
+0.039
0 |
+0.062
0 |
+0.100
0 |
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>50-80 |
+0.046
0 |
+0.074
0 |
+0.120
0 |
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>80-120 |
+0.054
0 |
+0.087
0 |
+0.140
0 |
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>120-180 |
+0.063
0 |
+0.100
0 |
+0.160
0 |
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>180-250 |
+0.072
0 |
+0.115
0 |
+0.185
0 |
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>250-315 |
+0.081
0 |
+0.130
0 |
+0.210
0 |
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>315-400 |
+0.089
0 |
+0.140
0 |
+0.230
0 |
按GB/T3639冷拔精密無縫鋼管的標準：外徑4-30的公差為±0.08
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