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2” 90° Elbow Short Radius ASME B16.9 BW WROUGHT-S ASTM A 234 GR. WPB GA-E-60112 Grades in ASTM A234 ASTM A234 specification has many grades, such as WPB, WPC, WP5, WP9 WP11, WP12, WP22, WP91 and so on...