锅炉用无缝钢管:20G 20MnG 25MnG 15MoG 20MoG 12CrMoG 15CrMoG 12Cr2MoG 12Cr1MoVG 12Cr2MoWVTiB 12Cr3MoVSiTiB 10Cr9MoVNb 1Cr18Ni9 1Cr18Ni11Nb 16Mn 15MnV 10MoWVNb 12CrMo 15CrMo 1Cr5Mo 12Cr2Mo 12SiMoVNb P195GH P235GH P265GH 8MoB5-4 10CrMo5-5 10CrMo9-1013CrMo4-5 14MoV6-3 15NiCuMoNb5-6-4 16Mo3 20CrMoV13-5-5 20MnNb6 25CrMo4 X11CrMo5 X11CrMo9-1 X2