Nchịkọta nke ọkpọkọ ọkpọkọ
ASME SA106, ASME SA179, ASME SA192, ASME SA210, ASME SA213, ASME SA335, wdg.
Ọkwa nke ọkpọkọ ọkpọkọ
Ọkpụkpụ nchara na-enweghị nkebi maka igwe ọkụ ọkụ dị ala na nke ọkara
GB/T3087-2008 10 # ígwè, 20 # ígwè
Ọkpụkpụ nchara na-enweghị ntụpọ maka igwe ọkụ ọkụ dị elu
GB/T5310-2017 20G,20MnG,25MnG, wdg
ASME SA 106 GR.A, GR.B, GR.C, wdg
ASTM A210 GRA. GrC
ASTM A213 Gr. T5,T9,T11,T22 wdg
ASTM A335 Gr. P5,P9,P11,P22,P91,P92 wdg.