... ,JIS B2311, DIN 2617 Certificate: ISO 9001, SGS, BV, etc. Carbon steel elbow Type elbowPipe Size1/2"—72" Wall ThicknessSCH10,SCH20,SCH30 ... /2617/2615, GB 12459—99,EN Standard etc.MaterialQ235, 20#, 10#, Q345A234 WPB, WP5, WP9,WP11,ST37.0,ST35.8,ST37 ... experience, sincere service4. Reliable forwarder, 2-hour away from port. Carbon steel elbow