高壓化肥設(shè)施用16mn無縫鋼管∣16Mn無縫鋼管尺寸公差∣GB6479無縫鋼管
鋼管種類 |
外徑(D) |
鋼管壁厚(S) | ||
冷拔管 |
鋼管外徑(mm) |
允許偏差(mm) |
鋼管壁厚(mm) |
允許偏差(mm) |
>30-50 |
±0.3 |
≤30 |
±10% | |
>50-219 |
±0.8% | |||
熱軋管 |
>219 |
±1.0% |
>20 |
±10% |
公司網(wǎng)址:www.sdlhqq.co
24×2-4-5-6-8 |
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89×3-4-4.5-5--6-7-8-10-12-14-16-18-20 |
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325×8-9-10-12-14-16-18-20-22-25-30-35-38-40 | |||||
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25×2.54-5-6 |
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95×3-4-4.5-6-8-10-16-20 |
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351×8-10-12-14-16-20-22-25-30-32-35-40 |
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28×2-3-4-5-6 |
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102×2-3-4.5-5-6-8-10-12-14-16-20-22 |
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355×6-8-10-12-14-16-20-25-30-35 |
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