无缝管美标标准:ASTM A213、A312、A269、A789 A790、 A105、A106、ASTM A358、ASTM A928不锈钢管国标:GB/T8163 GB13296、GB/T14976、GB/T12770/1 不锈钢国标棒GB1220 不锈钢棒美标ASTM A 182、815A788 , , A350LF2, A350LF3铸件:ASTM A351、A995生产标准:管件:ASME B16.9, ASME B16.28, MSS SP-43, MSS SP-75, DIN 2605, DIN2515~2617 法兰标准:ASME B16.5, ASME B16.47A/B, MSS SP-44, JP17S-15,JP17S-43, API605, DIN 2527,2636,2637,2638,2566,2576,2632,2633, 2635, 2642 DIN 2653, 2656, 2655, JIS B2220, BS1560-3.1, BS4504-3.1 锻件: ASME B16.11, DIN, JIS