standard |
ASTM A105, ASTM A182 |
Dimensions Range (ASME B16.11) |
1/4 inch and up to 4 inch |
Coupling Types |
Full coupling, Half coupling, Reducing coupling |
Pressure Ratings |
3000#, 6000#, 9000# |
Connection Types |
Socket Weld, Threaded Coupling(NPT & BSP) |
Steel Pipe Coupling are used to connect two pipes or tubes together by screwed ( threaded) or socket welding. It comes in many shapes and sizes.
Threaded Reducing Couplings
Full Threaded Couplings
Half Threaded Couplings
Size |
Class |
Dimension |
Specification |
1/4" to 4" |
2000, 3000, 6000, 9000 |
ANSI B 16.11 |
ASTM A 182/ASME SA182 |
Stainless Steel Coupling
ASTM / ASME SA A182 F304, 304H, 309, 310, 316, 316L, 317L, 321, 347, 904
Carbon Steel Coupling
ASTM/ ASME A 105, ASTM/ ASME A 350 LF 2
Alloy Steel Coupling
ASTM / ASME A182 F1/ F5/ F9/ F11/ F22/ F91
Nickel Alloy Coupling
ASTM / ASME SB 336 UNS 2200 (NICKEL 200) , UNS 2201 (NICKEL 201 ) , UNS 4400 (MONEL 400 ) , UNS 8020 ( ALLOY 20 / 20 CB 3 ) , UNS 8825 INCONEL (825) , UNS 6600 (INCONEL 600 ) , UNS 6601 (INCONEL 601) , UNS 6625 (INCONEL 625) , UNS 10276 (HASTELLOY C 276)
Duplex Steel Coupling
ASTM A 182 – F 51, F53, F55 S 31803, S 32205, S 32550, S 32750, S 32760