ASTM A234 WP22 PIPE CAP

ASTM A234 WP22 PIPE CAP 1. Butt Weld Pipe Caps Stockholders, Buttweld Pipe Caps Leading Manufacturers, High Pressure Butt Weld Pipe Cap, ANSI B16.9 Buttweld Pipe Cap, Stainless Steel Buttweld Pipe Cap, Stainless Steel Buttweld Pipe Cap Supplier in China. 2. ASTM A234 Specification ASTM A234/ASME SA234 Standard Specification for Piping Fittings of Wrought Carbon Steel and Alloy Steel for Moderate and High Temperature Service Material Grade WPB WPC WP1 WP12 CL1 WP12 CL2 WP11