国产、进口高压锅炉管 GB5310-1995 20G ST45.8-III DIN17175-79国产、进口合金管 12Cr1MoV 15CrMo(STFA22) Cr5Mo(STFA25) 10CrMo910 A335P22 Ф10-14*2-3 Ф18-21.3*4 Ф88.9*4.5-6-8-10-12 Ф273*8-9-10-12-16-20-28 Ф25.4-32*3.5-4 Ф101.6-108*4.5-5-6-8-10-14 Ф323.9*8.5-10-12-16-18-28 Ф34-38*3-4-5-6.5-8 Ф114.3*6-7-8-10-18 Ф377*10-12-16-20-25-40 Ф42-48.3*3-4-5-6-8 Ф133-159*5-6-8-10-14-20 Ф426*10-12-14-20-25-36-40 Ф50.8-57*3-4-5-6-8 Ф168.3*6-8-10-15-25 Ф457-508*14.2-16-36 Ф60-76*4-5-6-7-8-12 Ф219*8-9-10-12-16-28 Ф609.1-720*40-42-85