NO. Name symbol
symbol
in
formulas
Formulas or Reference Value Units Resultvalue
1 实际厚度 Fact thickness SB 设计给定 give in design 6.5 mm
2 计算压力 calculated pressure p PN设计给定 PN give in design 2 Mpa
3 计算内径 calculated ID Dn 设计给定 give in design 50 mm
4 许用拉应力 allowable stress 〔σL〕 查表3-3 ASTM A216 WCB material(see table 3-3) 120.69 Mpa
5 腐蚀余量 corrision allowance C 设计给定 give in design 2.5 mm
6 计算厚度 calculate