... , DIN 2617 Certificate: ISO 9001, SGS, BV, etc. 180 Degree Elbow(Long Radius) Type elbowPipe Size1/2"—72" Wall ThicknessSCH10,SCH20,SCH30,STD ... , GB 12459—99,EN Standard etc.MaterialQ235, 20#, 10#, Q345A234 WPB, WP5, WP9,WP11,ST37.0,ST35.8,ST37.2,ST35 ... service4. Reliable forwarder, 2-hour away from port. 180 Degree Elbow(Long Radius)