ASTM A234 WP22 CL3 90Deg Elbow LR B16.9 

ASTM A234 WP22 Class 3 Alloy Butt Welding Fittings For High Temperture Application. The detailed description as below: 90DEG/45DEG SR/LR ELBOW, EQUAL TEE, TEE REDUCER, CONC.REDUCER, ECC.REDUCER, CAP ETC.. ASME B16.9  YUHONG GROUP, is specialized in manufacturing of above Cr-Mo Alloy steel pipe fittings in China.   The Cr-Mo alloy steel pipe fittings manufactured to ASTM A234 includes the grades of WP1, WP12 CL1, WP12 CL2, WP11 CL1, WP11 CL2, WP11 CL3, WP22 CL1, WP22 CL3, WP24, WP5 CL1, WP5 CL3, WP9 CL1, WP9 CL3, WP91, WP911, WP92. They can be widely used in moderate or high-temperature service. The most common product form of ASTM A234 is butt welding pipe fittings manufactured to ASME B16.9. The BW pipe fittings can be made from either seamless pipes, or fusion-welded pipes which shall be with filler metal added and shall conform to the chemical requirements of the standard specification. 1. Chemical Composition Requirements…