1)Type: Butt welding Bend 2)Standard: ANSI, JIS, DIN, GB 3)Material: A234WPB, A420WPL6, MSSSP75WPHY52-70 A403WP304(H), WP304L, WP316(H)WP316L, WP321 A234WP5, WP9, WP11, WP12, WP22, WP91 4)Size: 1/2"...
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