Coupling is a kind of pipe fitting to joint two pipes or fittings,and the body is like a short pipe with a socket on one end or both ends.Commonly,we produce coupling according to ANSI/ASME B16.9,ANSI/ASME B16.11, DIN2986, BS EN10241, ASTM A733, JIS B2302, BS1387,etc.

SCH40 ASME B16.11 A234 WPB 1/2″-72″ Socket Weld Coupling

ASME B16.11 A234 WPB 1/2″-72″ Socket Weld Coupling Schedule:

SCH20,SCH30,STD,SCH40,SCH60,XS,SCH80,etc.

SCH40 ASME B16.11 A234 WPB Socket Weld Coupling Size:

1/2″-72″,DN15-DN1800.

SCH40 ASME B16.11 1/2″-72″ Socket Weld Coupling Material:

Carbon steel: ASTM A105,ASTM A234 WPB, S235,P235GH,ST35.8,ST37,SS400,ST20,C20,Q235
Alloy steel: ASTM/ASME A234 WP 1-WP 12-WP 11-WP 22-WP 5-WP91-WP9,ASTM A182 F5,F9,F11,F12,F22.
Stainless steel: ASTM/ASME A403 WP 304-304L-304H-304LN-304N
ASTM/ASME A403 WP 316-316L-316H-316LN-316N-316Ti
ASTM/ASME A403 WP 321-321H ASTM/ASME A403 WP 347-347H
Low-temperature steel:ASTM/ASME A420 WPL3-WPL6
High performance carbon steel: ASTM A860 WPHY42 , WPHY46,WPHY52, WPHY60, WPHY65, WPHY70

We work for many years the production of various types of couplings.We have a complete set of equipment including advanced cutting,forging,machining,drilling machines and professional testing & inspection instruments.If you have any requirements about socket weld couplings and other kinds of butt weld pipe fittings, please contact us.