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89x12 |
146x30 |
194x35 |
245x50 |
377x20 |
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89x20 |
159x18 |
194x40 |
245x55 |
377x25 |
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89x26 |
159x22 |
194x50 |
273x20 |
377x30 |
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89x30 |
159x25 |
219x20 |
273x22 |
377x35 |
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108x16 |
159x30 |
219x25 |
273x25 |
377x40 |
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108x20 |
159x35 |
219x28 |
273x28 |
377x45 |
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108x26 |
159x40 |
219x30 |
273x30 |
377x50 |
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108x30 |
168x20 |
219x35 |
273x32 |
377x55 |
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114x18 |
168x25 |
219x40 |
273x35 |
377x60 |
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114x22 |
168x28 |
219x45 |
273x40 |
406x20 |
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114x28 |
168x30 |
219x48 |
273x45 |
406x26 |
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133x18 |
168x35 |
219x50 |
273x50 |
406x32 |
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133x22 |
168x40 |
203x20 |
273x55 |
406x40 |
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133x26 |
180x16 |
203x30 |
325x20 |
426x20 |
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133x30 |
180x20 |
203x40 |
325x25 |
426x25 |
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140x20 |
180x25 |
245x20 |
325x30 |
426x30 |
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140x25 |
180x30 |
245x25 |
325x35 |
426x35 |
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140x28 |
180x35 |
245x28 |
325x40 |
426x40 |
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140x32 |
180x40 |
245x30 |
325x45 |
426x50 |
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140x40 |
194x18 |
245x35 |
325x50 |
426x60 |
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146x20 |
194x24 |
245x40 |
325x55 |
473*25 |
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146x25 |
194x30 |
245x45 |
325x60 |
473*30 |
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钢管种类 |
外径(D) |
钢管壁厚(S) | ||
|
冷拔管 |
钢管外径(mm) |
允许偏差(mm) |
钢管壁厚(mm) |
允许偏差(mm) |
|
＞30-50 |
±0.3 |
≤30 |
±10% | |
|
＞50-219 |
±0.8% | |||
|
热轧管 |
＞219 |
±1.0% |
＞20 |
±10% |
| ||