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But Weld Fittings ASTM A234 WP5 / WP9 / WP11 / WP12 / WP22 / WP91 Tee / Reducer /Pipe End Cap Specifications 1.MOQ:10pcs 2.Material:ASTM A234 WP1/ WP5 /WP22/WP91 3.Standard:ANSI B16.9/MSS SP-75 4...