flat welding flange:
Specifications: DN10-DN2000
Including flat welding flange, Welding-Neck Flange
Material: 20 # 304304L316L15CrMo12Cr1MovA10532110CrMo910, etc
Manufacturing standards: GB, American standard(ANSI), Germany standard(DIN), Japanese
standard(IS)
Usage: This product applies to chemical industry pipeline.
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