壁厚(WT)mm |
0.6-0.8 |
0.9-1.2 |
1.3-1.6 |
1.7-2.2 |
2.3-2.9 |
3-4.5 |
4.6-5.5 |
5.6-7.5 |
7.6-9 |
9.1-12 |
12.1-16 |
16.1-24 |
24.1-32 |
5-7 |
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8-10 |
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11-16 |
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17-25 |
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26-35 |
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36-45 |
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46-56 |
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57-65 |
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66-76 |
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77-100 |
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101-114 |
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115-133 |
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134-159 |
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160-219 |
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220-273 |
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274-325 |
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