碳钢及不锈钢集输线壁厚

碳钢及不锈钢集输线壁厚壁厚计算碳钢管壁厚计算碳钢管壁厚计算条件：设计压力：≤2.5MPa设计温度：≤200oC材质：20号优质碳素钢管子外径(mm)管子外径(mm)设计压力kg/cm2焊缝系数许用应力kg/cm2壁厚负偏差mm腐蚀裕度mm151825112500.489937571.5202525112500.501893021.5253225112500.568530971.5323825112500.578778491.5404525112500.590733941.5505725112500.356101491.5657625112500.388551981.5808925112500.410754951.510010825112500.443205451.512513325112500.485903471.515015925112500.530309411.520021980121501.035225027325112500.725012381.530032525112500.813824261.535037725112500.902636141.540042625112500.986324261.545048025112501.078551981.550063016112500.949846981.5不锈钢管壁厚计算不锈钢管壁厚计算条件：设计压力：≤2.5MPa设计温度：≤200oC材质：1Cr18Ni9Ti管子外径(mm)管子外径(mm)工作压力kg/cm2焊缝系数许用应力kg/mm2壁厚负偏差mm腐蚀裕度mm15182519300.1969772020252519300.25203909025322519300.32119929032382519300.33462767040452519300.35029411050572519300.12756963065762519300.17009284080892519300.1991876701001082519300.2417108801251332519300.2976624701501592519300.3558521202002192519300.490135940第1页壁厚计算2502732519300.6109913803003252519300.7273706903503772519300.84