Stainless steel forged steel pipe coupling is our best salable fittings, especially Threaded Coupling BSPP 3000LB SS316L ASME B16.11 in sizes of 1/2", 3/4", 1", 1 1/2", 2" and 3".

Steel Pipe Coupling Types

Straight Coupling
Reducing Coupling
Full Coupling
Half Coupling

BSPP VS BSPT

BSPP (G) – British Standard Pipe Parallel
BSPT (R/Rp) – British Standard Tapered Pipe, for pipes and tapered thread

Forged Steel Coupling Dimensions

Size	NPS 1/8" to 4" / DN6 to DN100
Pressure Rating	3000LB, 6000LB, 9000LB
Standard	ASME B16.11, BS3799, JIS B2316, SH3410, HG/T21634
Coupling Type	Socket Weld Coupling and Threaded Coupling
Alloy Steel	ASTM A182 F1, F5, F9, F11, F12, F22, F91
Carbon Steel	ASTM A105, A350 LF2, LF3, A694 F52, F60, F65, F70
Stainless Steel	ASTM A182 F304/304L/304H, F316/316L, F310, F317, F321, F347
Duplex Stainless Steel	ASTM A182 F51, F53, F55,F56, S31803, S32205, S32550, S32750, S32760

SS316L Chemical Composition

C	Mn	P	S	Si	Ni	Cr	Mo
0.08	2	0.035	0.03	1	10-14	16-18	2-3

SS316L Mechanical Properties

Tensile Strength	Yield Strength	Elongation
515 (Mpa)	205 (Mpa)	30 (%)

Threaded Coupling Weight

BSP Threaded Coupling weight is available in sizes of 1/8", 1/4“, 3/8", 1/2", 3/4", 1/", 1 1/4", 1 1/2", 2", 2 1/2", 3”,4" and pressure rating is Class 3000 & 6000.

3/4 BSP Coupling

Marking

The marking will be " COUPLING BSPP 3/4" 3000LB SS316 Z178", it covers name, thread, size, pressure, material and heat No.

Surface

Brush the forged steel pipe coupling body with the anti-rust oil.

Wrapped these BSP Couplings with plastic film.

Package

Lining up 3/4" stainless steel threaded couplings into cartons.

Packing all cartons in wooden cases and bundle it with belts.

Shipping mark on the outside of wooden case for easy indentification.

Application

Marine
Power industry
Chemical industry
Oil & gas industry
Petrochemical industry