Flange on the written A105, I do not know exactly what material
Flange ASTM A105 forgings equivalent to 25 in ChinaThe corresponding pipeline with ASTM A105 GR.B corresponds to the domestic 20g, 16Mn
Very common American Standard material: ASTM A105 forgings
A105 is the ASTM standard material, carbon steel forgings.There are 20 kinds of forging in China that can be used instead.
