... )Material: A106,A53,304,316,304L,316L 4)Standard:ANSI,JIS,DIN 1.elbows pipefitting2.ISO9001-2000Approal3.We are an ISO 9001-2000 ... STM A234 WP5, WP11, WP12,WP22Executive StandardASME B 16.28, GB/T12459, DIN, JIS, BS, etcWall ThicknessSCH10 ~S160, STD, XS, XXSConnectionButt WeldingSurface Treatmentgrit blasting ...