Standard
10. 20, 20g, 20mng, 25mng, 15CrMoG, 12CR2MOG, 12Cr1MoVG, 12Cr2MoWVTiB, 10Cr9Mo1VNb, sa210a1, sa210c, SA213 T11, SA213 T12, SA213 T22, SA213 T23, SA213 T91, SA213 T92, st45.8/Ⅲ, 15Mo3, 13CrMo44, 10CrMo910, etcMain steel pipe grades
GB3087 - Chinese national standard Gb5310 - Chinese national standard ASME SA210 - American boiler and pressure vessel code ASME SA213 - American boiler and pressure vessel code Din17175 - Federal German industrial standard