Buttweld Fittings Design: As Per ASTM B16.9 Materials: Carbon Steel: ASTM A234 WPB, A420 WPL6, WP2HY 42/46/52/60/65/70 Alloy Steel: A234 WP5 / WP9 / WP11 / WP12 / WP22 / WP51 / WP91 Stainless Steel: ASTM A403 WP316/316L, WP304/304L, WP321, WP347 Elbow SPECIFICATION:Size: 1/2″ to 24″Type : 90DEG LR ELBOW, 90DEG SR ELBOW, 45DEG ELBOW, 180DEG LR ELBOW,180DEG SR ELBOW.SCHEDULE: SCH5, SCH10, SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXSEnd Connection: BUTT-WELD Tee SPECIFICATION:Size: 1/2″ to 24″Type : EQUAL TEE, UNEQUAL TEESCHEDULE: SCH5, SCH10, SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXSEnd Connection: BUTT-WELD reducers SPECIFICATION:Size: 1/2″ to 24″Type : CONCENTRIC REDUCER, ECCENTRIC REDUCERSCHEDULE: SCH5, SCH10, SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXSEnd Connection: BUTT-WELD Cap SPECIFICATION:Size: 1/2″ to 24″SCHEDULE: SCH5, SCH10, SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXSEnd Connection: BUTT-WELD Cross SPECIFICATION:Size: 1/2″ to 24″Type : EQUAL CROSS, UNEQUAL CROSSSCHEDULE: SCH5, SCH10, SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXSEnd Connection: BUTT-WELD Stubend SPECIFICATION:Size: 1/2″ to 24″Type : LONG-PATTERN STUBEND, SHORT-PATTERN STUBENDSCHEDULE: SCH5, SCH10, SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXSEnd Connection: BUTT-WELD