steel flanges
2017-03-27 09:13:57 COMMENT:0 HITS:
Hebei Shengtian Pipe fitting Group Co.,Ltd is a factory producing steel flanges. Our products more than 60% export to USA, middle east, Europe, and other countries. Our alloy Steel material is as the following:ASTM A182 F1, F5a, F9, F11, F12, F22, F91,A182F12,A182F11,16MnR,Cr5Mo,12Cr1MoV,15CrMo,12Cr2Mo1,A335P22,St45.8/Ⅲ,35CrMoV, 45CrMo etc.
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