]基本数据单位简图封头大端内径Di400mm封头小端内径Dis300mm直边高度h25mm半锥角α60°大端过渡段转角内半径ri50mm小端过渡段转角内半径rs25mm封头材料16Mn材料密度ρ7.85t/m3封头名义厚度δh4mm参数计算θ1.047(θ为α弧度)C10.217C2-0.126C30.035大端内壁小弧段内表面积62951.52mm2大端内壁小弧段所包围体积5059683.58mm3大端外壁小弧段所包围体积5660963.66mm3锥体内壁表面积12931.48mm2锥体内壁锥体所包围体积548954.77mm3锥体外壁锥体所包围体积561962.43mm3小端内壁小弧段内表面积29579.20mm2小端内壁小弧段所包含体积1877770.86mm3小端外壁小弧段所包含体积1521613.64mm3大端直边段内表面积31415.93mm2大端直边段内壁容积3141592.65mm3大端直边段外壁容积3268513.00mm3小端直边段内表面积23561.94mm2小端直边段内壁容积1767145.87mm3小端直边段外壁容积1862650.28mm3内表面积A=A1+A2+A3+A4+A5=160440.07mm2容积V=V1+V2+V3+V4+V5=12395147.73mm3外壁所包体积12875703.01mm3质量W=ρ(Vo-V)×10-6=3.77kg总深度124.48mm常用不锈钢密度表材料名称密度t/mm31Cr18Ni97.921Cr18Ni9Ti7.900Cr18Ni14Mo2Cu28.030Cr18Ni11Ti80Cr18Ni12Mo2Ti7.91Cr18Ni11Si4AlTi7.511Cr19Ni980Cr18Ni9800Cr19Ni117.90Cr137.761Cr137.752Cr137.753Cr137.744Cr137.76