Product classification
Flat welding flange with neck (SQ)
- 产品描述
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1. Sealing surface form:
Flat (FF), Raised (RF), Concave and Convex (MFM), Tenon and Groove (TG), Ring Connection (RJ)
2. Material of flange:
Carbon Steel: ASTM A105,20 #, Q235, 16Mn, ASTM A350 LF1, LF2 CL1/CL2, LF3 CL1/CL2, ASTM A694 F42, F46, F48, F50, F52, F56, F60, F65, F70;
Stainless steel: ASTM A182 F304, 304L, F316, 316L, 1Cr18Ni9Ti, 0Cr18Ni9Ti, 321, 18-8;
Alloy Steel: ASTM A182 F1, F5a, F9, F11, F12, F22, F91, A182F12, A182F11, 16MnR, Cr5Mo, 12Cr1MoV, 15CrMo, 12Cr2Mo1, A335P22, St45.8/III;
3. Flange standard:
ANSI B16.5, HG20616-1997, GB/T9116.1-2000- GB/T9116.4-200, HG20594-1997, GB/T9116.1-2000- GB/T9116.4-2000
Scope of application for European system steel pipe flanges
Sealing surface type Nominal pressure PN/MPa
（bar）0.6
（6）1.0
（10）1.6
（16）2.5
（25）4.0
（40）Convex surface(RF) DN10-300 DN10-600 DN10-150 Convex convex surface(MFM) - DN10-600 Tenon groove surface(TG) Full plane(FF) DN10-300 DN10-600 DN10-150 Applicable scope of American system steel pipe flanges
Sealing surface type Nominal pressure PN (MPa)
(Class)Class 150 Class 300 Class 600 Class 900 Class 1500 Class 2500 Convex surface(RF) DN15-600
(1/2"-24")DN15-300
(1/2"-12")Convex convex surface(MFM) - DN15-600
(1/2"-24")DN15-300
(1/2"-12")Tenon groove surface(TG) - DN15-600
(1/2"-24")DN15-300
(1/2"-12")Full plane(FF) DN15-600
(1/2"-24")- Ring connection surface(RJ) DN25-600
(1/2"-24")DN15-600
(1/2"-24")DN15-300
(1/2"-12")
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Main business: American standard oil casing, pipeline pipe, Cangzhou oil casing, API oil casing, Hebei oil casing, polyurethane insulation pipe, galvanized wire steel pipe, 3PE anti-corrosion steel pipe, thickened oil pipe, large diameter oil casing, oil casing factory, insulation pipe, oil casing, anti-corrosion steel pipe, etc.
Address: Zhenggang Development Zone, Yanshan County, Hebei Province
Email:czbggy@163.com
Telephone:18831708666 18931747888
