In 1, the sealing surface form:
Plane ( FF ), convex, concave and convex surfaces ( RF ) ( MFM ), ( TG ), tongue and groove face ring joint face ( RJ )
In 2, a flange material:
Carbon steel ( 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 ( Stainess Steel ): ASTM A182 F304, 304L, F316, 316L, 1Cr18Ni9Ti, 0Cr18Ni9Ti, 321, 18-8;
Alloy steel ( Alloy Steel ): ASTM A182 F1, F5a, F9, F11, F12, F22, F91, A182F12, A182F11, 16MnR, Cr5Mo, 12Cr1MoV, 15CrMo, 12Cr2Mo1, A335P22, St45.8/ Ⅲ;
In 3, a flange standard:
ANSI B16.5, HG20617-1997, GB/T9115.1-2000, GB/T9115.4-200, DIN2630-2638, HG20595-1997, GB/T9115.1-2000, GB/T9115.4-2000

Lap welding steel flanges for ship GB2506-89 Contact Infomation Send Inquiry Company name:XinGu Shanghai pipe fittings co.,ltd Status:[Offline] [Send message] [Chat] Business contact:olina zhou(Mr.) Telphone: Mobile: Fax: Area: Caribbean Region-Bermuda Address:zhuzhou road , hongkou area.