管道弯头表面积计算表格.pdf

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1、弯头表面积计算公式S=3.14D*1.5D*K*2*3.14/B*N其中：D直径K系数（取1.5）B:(90°弯头=4，,45°弯头=8)90°弯头表面积序号直径圆周率K值B值N（个数）面积10.0383.141.05410.01121220.0423.141.05410.01369630.0573.141.05410.02522740.0763.141.05410.04484750.0893.141.05410.06150260.1083.141.05410.09056470.1333.141.05410.13734580.1593

2、.141.05410.19629390.2193.141.05410.37239100.2733.141.05410.578676110.3253.141.05410.820118120.4263.141.05411.409059130.5253.141.05412.140072140.633.141.05413.081704150.723.141.05414.02508345°弯头表面积序号直径圆周率K值B值N（个数）面积10.0383.141.05810.00560620.0423.141.05810.00684830.0573.

3、141.05810.01261340.0763.141.05810.02242450.0893.141.05810.03075160.1083.141.05810.04528270.1333.141.05810.06867380.1593.141.05810.09814690.2193.141.05810.186195100.2733.141.05810.289338110.3253.141.05810.410059120.4263.141.05810.704529130.5253.141.05811.070036140.633.14

4、1.05811.540852150.723.141.05812.012542