- Stainless Steel Flange
- America:ASME B16.5,ASME B16.48,ASME B16.47,API 590
- China:GB/T9112~GB/T9124-2000,GB/T2506-1989(2005),GB/T2504-1989(2005),
- GB/T10746-1989,GB/T4450-1989
- Germany:DIN 2573~2576,DIN 2527,DIN 2630~2637,DIN 2641~2642
- Japan:JIS B2220-2004,JIS F7806-1996,JIS B2291-1994
- Shipbuilding:CB1001-81,CBM1013-81,CBM1018-81,CBT47-1999
- Industry Standard:JB/T74-1994,JB4700-4707-2000,JB/ZQ4485-4486-1997
- Industry Standard:HG/T20592-2009,HG/T20615-2009
- International Standard:ISO 7005-1-1992
- EU:BS EN 1092-1-2008
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