1. Material: carbon steel: A234 WPB, Q235, A105, alloy steel:API5L X60, X70, 16Mn, P11, P9, T5, T11 stainless steel : 304L , 316L
2. Standard: ASME/ANSI B16.9/16.28, DIN 2605/2615/2616/2617, .JIS B2311/2312/2313, EN10253, API Spec 5CT API Spec 5L
ASTM A106B/A53B/A179/A192/A200/A210A1/A210C/A213/A333/A335
ASME SA106B/A53B/A179/A192/A200/A210A1/A210C/A213/A333/A335
BS3059 BS6323-4
EN10297-1 EN10305-1 EN10216-1 EN10216-2 EN10210-1
DIN1629 DIN1630 DIN17175 DIN2391 DIN2448
JIS G3461 JIS G3462 JIS G3454 JIS G3455 JIS G3444 JIS G3456
ISO 3183-2007
ISO 2937-1974
ISO 9329-1;1989 ISO 9329-2;1997
3. Type: carbon steel flange, alloy steel flange, high pressure flange, slip on flange, slip on welding flange, welding ( welded )neck flange, blind flange, orifice flange, welding plate flange, welding neck collar, stub end , etc.
4. Application range: petroleum, oil, chemical industry, electric power, gas, construction and so on