18" Flanges Schedule 40s, ASME B16.5 WNRF Weldneck Flanges Class 400#, Carbon Steel A694 F52 Welding Flange, ASTM A694, ASME SA694

Manufacturers & Suppliers of ASTM A694 F52 Carbon Steel WNRF Weldneck Flange, 18\" WNRF Flanges Sch 40s, ASME B16.5 Class 400# Weldneck Flange, ASME SA694 F52 CS WNRF Welding Neck Flanges, ANSI B16.5 WNRF, High Quality Yield F52 Welding Flange.

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