Isi nke ọkpọkọ ọkpọkọ
Asme Sa106, Asme Sa179, Asme Sa192, Asme Sa210, Asme Sa213, Asme Sa335, wdg
Grade nke ọkpọkọ ọkpọkọ
Èbí ígwè na-acha uhie uhie maka ndị na-efe efe na ọkara
GB / T3087-2008 10 # steel, 20 # steel
Èchzọ na-enweghị atụ maka mmiri na-eto eto
GB / T5310-2017, 20mng, 25mng, wdg
Asme, gr.A, gr.b, gr.c, wdg
ASTM A210 GRA. Gy
ASTM A213 GR. T5, T9, T11, t22 wdg
ASTM A335 GR. P5, P9, P11, P22, P91, P92 wdg.
