ASTM a36 wide flange Materials:S235JRG2/RST37.2, C22.8/P250GH, A105/ ... a36 wide flangeThe specification is as follows:1-American Standard:ANSI B 16.5, ASTM, ASA, API-605, AWWA ... .;3-British Standard:BS4504, NP16, NP25, NP40, BS10, TABLE D, TABLE E, TABLE H, BS10, BS4504, SAN1123, 1000/3, 1600/3, ... , Stainless Steel and Special Alloy Steel;Pressure:75 bls to 2500 bls;Painting: Yellow, Black, oil and Zinc, ...