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無錫無縫鋼管有限公司-10號機(jī)車鍋爐用管51x4
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25×6 |
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28×6 |
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32×6-8 |
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34×6-8 |
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36×6-8 |
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38×6-7-8-9-10 |
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39×8-10 |
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42×6-7-8-9-10 |
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45×6-7-8-9 |
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48×6-7-8-9-10 |
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51×6-7-8-9-10 |
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56×6-7-8-9-10 |
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57×6-7-8-9-10-12 |
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60×6-7-8-9-12-14 |
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63×6-7-8-9-10-12-14 |
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68×6-7-8-9-10-12-14-16 |
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70×6-7-8-9-10-12-15-16 |
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73×6-7-8-9-10-12-15 |
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76×6-7-8-9-10-12-14 |
10號機(jī)車鍋爐用管
標(biāo)準(zhǔn)
GB3087-1999、ISO 9329-1、ASTM A106、 DIN 17175、JIS G 345、BS 3059
用途
主要用于制作蒸氣壓力較低（P≦6Mpa）的低中壓鍋爐、機(jī)車鍋爐、一般工業(yè)鍋爐和生活鍋爐等的過熱蒸氣管、沸水管、大煙管、小煙管、拱磚管等管道和建設(shè)用管道次水管道等。
10號機(jī)車鍋爐用管尺寸公差
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標(biāo)準(zhǔn) |
外徑 |
壁厚 |
壁厚允許偏差 |
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DIN17175 |
≤130 |
S≤2·Sn |
+15%,-10% |
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2·Sn |
+12.5%,-10% |
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S>4·Sn |
±9% |
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>130 |
S≤0.05da |
+15%，-10% |
|
0.05da |
±12.5% |
|
S>0.11da |
±10% |
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GB3087 |
-- |
3-20 |
+12.5%,-12.5% |
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>20 |
±10% |
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ASME SA450 |
-- |
2.4-3.8 |
+35%,-0% |
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>3.8-4.6 |
+35%,-0% |
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>4.6 |
+23%,-0% |
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ASME SA530 |
-- |
-- |
±12.5% |
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