重慶螺旋鋼管承受壓力表,正確的計算方法
2022-6-7 10:35:20??????點擊：
重慶螺旋鋼管承受壓力表,正確的計算方法
重慶螺旋鋼管所能承受的壓力與材質(zhì)、壁厚及直徑有關(guān)。
螺旋鋼管承受壓力計算公式
壓力=（壁厚*2*鋼管材質(zhì)抗拉強(qiáng)度）/（外徑*系數(shù)）
螺旋管鋼管壓力系數(shù)表示方法： 壓力P<7Mpa 系數(shù)S=8 7<鋼管壓力P<17.5 系數(shù)S=6 壓力P>17.5 系數(shù)S=4
重慶螺旋鋼管所能承受的壓力與材質(zhì)、壁厚及直徑有關(guān)。
螺旋鋼管承受壓力計算公式
壓力=（壁厚*2*鋼管材質(zhì)抗拉強(qiáng)度）/（外徑*系數(shù)）
螺旋管鋼管壓力系數(shù)表示方法： 壓力P<7Mpa 系數(shù)S=8 7<鋼管壓力P<17.5 系數(shù)S=6 壓力P>17.5 系數(shù)S=4
各種材質(zhì)的螺旋鋼管承受壓力表
|
稱外徑 mm |
壁厚mm | 靜水壓試驗壓力 單位：MPa 1MPa約等于10公斤 | |||
| SY/T5037-2000 | GB/T9711.1-1997 | ||||
| Q235B | 16Mn | Q235B | L360 | ||
| 219 | 6/7/8 | 7.7/9.0/10.3 | 11.3/13.2/15.1 | 10.9/12.8/14.6 | 14.8/17.3/19.7 |
| 273 | 6/7/8 | 6.2/7.2/8.3 | 9.1/10.6/12.1 | 8.8/10.2/11.7 | 13.5/15.7/17.9 |
| 325 | 6/7/8 | 5.2/6.1/6.9 | 7.6/8.9/10.2 | 7.4/8.6/9.5 | 11.3/13.2/15.1 |
| 377 | 6/7/8/9 | 4.5/5.2/6.0/6.7 | 6.6/7.7/8.8/9.9 | 6.4/7.4/8.5/9.5 | 9.7/11.4/13.0/14.6 |
| 426 | 6/7/8/9/10 | 4.0/4.6/5.3/6.0/6.6 | 5.8/6.8/7.8/8.7/9.7 | 5.6/6.6/7.5/8.4/9.4 | 8.6/10.1/11.5/12.9/14.4 |
| 478 | 6/7/8/9/10 | 3.5/4.1/4.7/5.3/5.9 | 5.2/6.1/6.9/7.8/8.7 | 0.0/5.9/6.7/7.5/8.4 | 7.7/9.0/10.2/11.5/12.8 |
| 529 | 6/7/8/9/10 | 3.2/3.7/4.3/4.8/5.3 | 4.7/5.5/6.3/7.0/7.8 | 0.0/5.3/6.0/6.8/7.6 | 7.3/8.6/9.8/11.0/12.2 |
| 630 | 6/7/8/9/10 | 2.7/3.1/3.6/4.0/4.5 | 3.9/4.6/5.3/5.9/6.6 | 0.0/4.4/5.1/5.7/6.3 | 6.2/7.2/8.2/9.3/10.3 |
| 720 | 6/7/8/9/10 | 2.4/2.7/3.1/3.5/3.9 | 3.5/4.0/4.6/5.2/5.8 | 0.0/3.9/4.4/5.0/5.5 | 5.4/6.3/7.2/8.1/9.0 |
| 820 | 6/7/8/9/10/12 | 2.1/2.4/2.8/3.1/3.4/0.0 | 3.0/3.5/4.0/4.5/5.0/0.0 | 0.0/0.0/3.9/4.4/4.9/0.0 | 4.7/5.5/6.3/7.1/7.9 |
| 920 | 7/8/9/10/11/12 | 2.1/2.5/2.8/3.1/3.4/3.7 | 3.2/3.6/4.1/4.5/5.0/5.4 | 0.0/3.5/3.9/4.3/5.2 | 4.9/5.6/6.3/7.0/7.7/8.5 |
| 1020 | 7/8/9/10/11/12 | 1.9/2.2/2.5/2.8/3.0/3.3 | 2.8/3.2/3.7/4.1/4.5/4.9 | 0.0/3.1/3.5/3.9/4.7 | 3.8/4.4/5.1/5.7/6.4/7.0/7.6 |
| 1220 | 8/9/10/11/12/14 | 1.8/2.1/2.3/2.5/2.8/3.2 | 2.7/3.1/3.4/3.7/4.1/4.8 |
2.6/2.9/3.3/3.9/0.0 |
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