公斤壓力壁厚換算
| 材料 | PN | DN | |||||||||||||||||||
| MPa | 10 | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | 350 | 400 | 450 | 500 | 600 | |
| 20 12CrMo 15CrMo 12Cr1MoV | ≤1.6 | 2.5 | 3 | 3 | 3 | 3 | 3.5 | 3.5 | 4 | 4 | 4 | 4 | 4.5 | 5 | 6 | 7 | 7 | 8 | 8 | 8 | 9 |
| 2.5 | 2.5 | 3 | 3 | 3 | 2 | 3.5 | 3.5 | 4 | 4 | 4 | 4 | 4.5 | 5 | 6 | 7 | 7 | 8 | 8 | 9 | 10 | |
| 4 | 2.5 | 3 | 3 | 3 | 3 | 3.5 | 3.5 | 4 | 4 | 4.5 | 5 | 5.5 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 15 | |
| 6.4 | 3 | 3 | 3 | 3.5 | 3.5 | 3.5 | 4 | 4.5 | 5 | 6 | 7 | 8 | 9 | 11 | 12 | 14 | 16 | 17 | 19 | 22 | |
| 10 | 3 | 3.5 | 3.5 | 4 | 4.5 | 4.5 | 5 | 6 | 7 | 8 | 9 | 10 | 13 | 15 | 18 | 20 | 22 |
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| 16 | 4 | 4.5 | 5 | 5 | 6 | 6 | 7 | 8 | 9 | 11 | 13 | 15 | 19 | 24 | 26 | 30 | 34 |
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| 20 | 4 | 4.5 | 5 | 6 | 6 | 7 | 8 | 9 | 11 | 13 | 15 | 18 | 22 | 28 | 32 | 36 |
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| 4.0T | 3.5 | 4 | 4 | 4.5 | 5 | 5 | 5.5 |
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| 10 Cr5Mo | ≤1.6 | 2.5 | 3 | 3 | 3 | 3 | 3.5 | 3.5 | 4 | 4.5 | 4 | 4 | 4.5 | 5.5 | 7 | 7 | 8 | 8 | 8 | 8 | 9 |
| 2.5 | 2.5 | 3 | 3 | 3 | 3 | 3.5 | 3.5 | 4 | 4.5 | 4 | 5 | 4.5 | 5.5 | 7 | 7 | 8 | 9 | 9 | 10 | 12 | |
| 4 | 2.5 | 3 | 3 | 3 | 3 | 3.5 | 3.5 | 4 | 4.5 | 5 | 5.5 | 6 | 8 | 9 | 10 | 11 | 12 | 14 | 15 | 18 | |
| 6.4 | 3 | 3 | 3 | 3.5 | 4 | 4 | 4.5 | 5 | 5.5 | 7 | 8 | 9 | 11 | 13 | 14 | 16 | 18 | 20 | 22 | 26 | |
| 10 | 3 | 3.5 | 4 | 4 | 4.5 | 5 | 5.5 | 7 | 8 | 9 | 10 | 12 | 15 | 18 | 22 | 24 | 26 |
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| 16 | 4 | 4.5 | 5 | 5 | 6 | 7 | 8 | 9 | 10 | 12 | 15 | 18 | 22 | 28 | 32 | 36 | 40 |
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| 20 | 4 | 4.5 | 5 | 6 | 7 | 8 | 9 | 11 | 12 | 15 | 18 | 22 | 26 | 34 | 38 |
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| 4.0T | 3.5 | 4 | 4 | 4.5 | 5 | 5 | 5.5 |
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| 16Mn 15MnV | ≤1.6 | 2.5 | 2.5 | 2.5 | 3 | 3 | 3 | 3 | 3.5 | 3.5 | 3.5 | 3.5 | 4 | 4.5 | 5 | 5.5 | 6 | 6 | 6 | 6 | 7 |
| 2.5 | 2.5 | 2.5 | 2.5 | 3 | 3 | 3 | 3 | 3.5 | 3.5 | 3.5 | 3.5 | 4 | 4.5 | 5 | 5.5 | 6 | 7 | 7 | 8 | 9 | |
| 4 | 2.5 | 2.5 | 2.5 | 3 | 3 | 3 | 3 | 3.5 | 3.5 | 4 | 4.5 | 5 | 6 | 7 | 8 | 8 | 9 | 10 | 11 | 12 | |
| 6.4 | 2.5 | 3 | 3 | 3 | 3.5 | 3.5 | 3.5 | 4 | 4.5 | 5 | 6 | 7 | 8 | 9 | 11 | 12 | 13 | 14 | 16 | 18 | |
| 10 | 3 | 3 | 3.5 | 3.5 | 4 | 4 | 4.5 | 5 | 6 | 7 | 8 | 9 | 11 | 13 | 15 | 17 | 19 |
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| 16 | 3.5 | 3.5 | 4 | 4.5 | 5 | 5 | 6 | 7 | 8 | 9 | 11 | 12 | 16 | 19 | 22 | 25 | 28 |
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| 20 | 3.5 | 4 | 4.5 | 5 | 5.5 | 6 | 7 | 8 | 9 | 11 | 13 | 15 | 19 | 24 | 26 | 30 |
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