... -1240*1-200Apply to the temperature -40--400°C; pressure
10-32Mpa chemical equipmentOil cracking tube10 #20#12CrMo1Cr5Mo1Cr19Ni11Nb15CrMoGB9948-20068-630*1 ... pressure, middle pressure boiler and locomotive boilerFluid pipe for transportation
10# 20# Q295ASTM A106A,B,CA53A,B16Mn