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螺旋钢管承受压力表,正确的计算方法

时间:2019/4/2阅读:407
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螺旋钢管所能承受的压力与材质、壁厚及直径有关。
螺旋钢管承受压力计算公式
压力=(壁厚*2*钢管材质抗拉强度)/(外径*系数)
螺旋管钢管压力系数表示方法: 压力P<7Mpa  系数S=8  7<钢管压力P<17.5   系数S=6 压力P>17.5   系数S=4 
各种材质的螺旋钢管承受压力表

称外径 mm
 
壁厚mm                    静水压试验压力       单位:MPa  1MPa约等于10公斤
SY/T5037-2000GB/T9711.1-1997
Q235B16MnQ235BL360
2196/7/87.7/9.0/10.311.3/13.2/15.110.9/12.8/14.614.8/17.3/19.7
2736/7/86.2/7.2/8.39.1/10.6/12.18.8/10.2/11.713.5/15.7/17.9
3256/7/85.2/6.1/6.97.6/8.9/10.27.4/8.6/9.511.3/13.2/15.1
3776/7/8/94.5/5.2/6.0/6.76.6/7.7/8.8/9.96.4/7.4/8.5/9.59.7/11.4/13.0/14.6
4266/7/8/9/104.0/4.6/5.3/6.0/6.65.8/6.8/7.8/8.7/9.75.6/6.6/7.5/8.4/9.48.6/10.1/11.5/12.9/14.4
4786/7/8/9/103.5/4.1/4.7/5.3/5.95.2/6.1/6.9/7.8/8.70.0/5.9/6.7/7.5/8.47.7/9.0/10.2/11.5/12.8
5296/7/8/9/103.2/3.7/4.3/4.8/5.34.7/5.5/6.3/7.0/7.80.0/5.3/6.0/6.8/7.67.3/8.6/9.8/11.0/12.2
6306/7/8/9/102.7/3.1/3.6/4.0/4.53.9/4.6/5.3/5.9/6.60.0/4.4/5.1/5.7/6.36.2/7.2/8.2/9.3/10.3
7206/7/8/9/102.4/2.7/3.1/3.5/3.93.5/4.0/4.6/5.2/5.80.0/3.9/4.4/5.0/5.55.4/6.3/7.2/8.1/9.0
8206/7/8/9/10/122.1/2.4/2.8/3.1/3.4/0.03.0/3.5/4.0/4.5/5.0/0.00.0/0.0/3.9/4.4/4.9/0.04.7/5.5/6.3/7.1/7.9
9207/8/9/10/11/122.1/2.5/2.8/3.1/3.4/3.73.2/3.6/4.1/4.5/5.0/5.40.0/3.5/3.9/4.3/5.24.9/5.6/6.3/7.0/7.7/8.5
10207/8/9/10/11/121.9/2.2/2.5/2.8/3.0/3.32.8/3.2/3.7/4.1/4.5/4.90.0/3.1/3.5/3.9/4.73.8/4.4/5.1/5.7/6.4/7.0/7.6
12208/9/10/11/12/141.8/2.1/2.3/2.5/2.8/3.2

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