Threaded Reducing Coupling

Stainless Steel Threaded Reducing Coupling, these fittings are used as reducers in threaded piping networks. The available size range is from 1/8″ to 4″ as per ASME B16.11.

1. Stainless Steel Threaded Reducing Coupling Specification

Specification	· Forged stainless steel fittings: ASTM A182, ASTM SA182 S/W &SCRD (NPT / BSP / BSPT) · Carbon steel forged fittings: A-105, S/W & SCRD (NPT / BSP / BSPT) · Mild Steel Forged Fitting: IS BS ASTM ANSI B16.11 S/W & SCRD · Nickel Alloy forged fittings: ASTM B366 S/W & SCRD
Forged Threaded Reducing Coupling Dimension	ASME B16.11
Forged Threaded Reducing Coupling Size	1/8″ NB TO 4″ NB
Forged Threaded Reducing Coupling Class	2000 LBS, 3000 LBS, 6000 LBS
Forged steel fittings Range	Coupling, Plug, Socket, Bushing, Elbow, Tee, Nipple, Union, Threading Outlet, Welding Outlet, Socket Weld Outlet.
Value-Added Services:	Hot Dipped Galvanizing, Epoxy & FBE Coating, Electro Polish, Sand Blasting, Soldering.

2. Threaded Fittings Dimensional Standards

ASME B16.11: Forged fittings, Socket welding, and threaded.
MSS-SP-83: Steel Pipe Unions, Socket welding, and threaded.
MSS-SP-95: Swaged Nipples and Bull Plug.

3. Dimensions of Stainless Steel Threaded Reducing Coupling

Dimensions of Threaded Reducing Coupling according to ASME B16.11, CLASS 3000, 6000.

THREADED	Class 3000	Class 3000	Class 6000	Class 6000
Size	A	B	A	B
1/4″ X 1/8″	1.38″	.75″	1.38″	1.06″
3/8″ X 1/8″ 3/8″ X 1/4″	1.50″	.88″	1.50″	1.25″
1/2″ X 1/8″ 1/2″ X 1/4″	1.88″	1.13″	1.88″	1.50″
1/2″ X 3/8″	1.88″	1.25″	1.88″	1.50″
3/4″ X 1/8″ 3/4″ X 1/4″ 3/4″ X 3/8″ 3/4″ X 1/2″	2.00″	1.38″	2.00″	1.75″
1″ X 1/8″ 1″ X 1/4″ 1″ X 3/8″ 1″ X 1/2″ 1″ X 3/4″	2.38″	1.75″	2.38″	2.25″
1-1/4″ X 1/8″ 1-1/4″ X 1/4″ 1-1/4″ X 3/8″ 1-1/4″ X 1/2″ 1-1/4″ X 3/4″ 1-1/4″ X 1″	2.63″	2.25″	2.63″	2.50″
1-1/2″ X 1/8″ 1-1/2″ X 1/4″ 1-1/2″ X 3/8″ 1-1/2″ X 1/2″ 1-1/2″ X 3/4″ 1-1/2″ X 1″ 1-1/2″ X 1-1/4″	3.13″	2.50″	3.13″	3.00″
2″ X 1/8″ 2″ X 1/4″ 2″ X 3/8″ 2″ X 1/2″ 2″ X 3/4″ 2″ X 1″ 2″ X 1-1/4″ 2″ X 1-1/2″	3.38″	3.00″	3.38″	3.63″
2-1/2″ X 1/8″ 2-1/2″ X 1/4″ 2-1/2″ X 3/8″ 2-1/2″ X 1/2″ 2-1/2″ X 3/4″ 2-1/2″ X 1″ 2-1/2″ X 1-1/4″ 2-1/2″ X 1-1/2″ 2-1/2″ X 2″	3.63″	3.63″	3.63″	4.25″
3″ X 1/8″ 3″ X 1/4″ 3″ X 3/8″ 3″ X 1/2″ 3″ X 3/4″ 3″ X 1″ 3″ X 1-1/4″ 3″ X 1-1/2″ 3″ X 2″ 3″ X 2-1/2″	4.25″	4.25″	4.25″	5.00″
4″ X 1/8″ 4″ X 1/4″ 4″ X 3/8″ 4″ X 1/2″ 4″ X 3/4″ 4″ X 1″ 4″ X 1-1/4″ 4″ X 1-1/2″ 4″ X 2″ 4″ X 2-1/2″ 4″ X 3″ 4″ X 3-1/2″	4.75″	5.50″	4.75″	6.25″

Threads per ANSI ASME B1.20.1
Dimensions are in millimeters unless otherwise indicated.

4. Stainless Steel Threaded Reducing Coupling Types

Class 2000, Threaded Reducing Coupling
Class 3000, Threaded Reducing Coupling
Class 6000, Threaded Reducing Coupling
Class 9000, Threaded Reducing Coupling
ASME B16.11 Threaded Reducing Coupling
A182 Gr F304 Forged Reducing Coupling
A182 Gr F316L Screwed Reducing Coupling
A182 Gr F321 Threaded Reducing Coupling
A182 Gr F347 Threaded Reducing Coupling

5. Forged Steel Threaded Reducing Coupling Weight Chart

Forged Steel Fittings & Unions > Reducing Coupling (Class3000, 6000) – Threaded. Weights are in lb.

Item	Size	Connection Type	Material	Class	Weight
3000-Threaded-1/8 Reducing Coupling	1/8	Threaded	Carbon Steel (A105)	3000	N/A
3000-Threaded-1/4 Reducing Coupling	1/4	Threaded	Carbon Steel (A105)	3000	0.11 lb
3000-Threaded-3/8 Reducing Coupling	3/8	Threaded	Carbon Steel (A105)	3000	0.13 lb
3000-Threaded-1/2 Reducing Coupling	1/2	Threaded	Carbon Steel (A105)	3000	0.29 lb
3000-Threaded-3/4 Reducing Coupling	3/4	Threaded	Carbon Steel (A105)	3000	0.42 lb
3000-Threaded-1 Reducing Coupling	1	Threaded	Carbon Steel (A105)	3000	0.850 lb
3000-Threaded-1 1/4 Reducing Coupling	1 1/4	Threaded	Carbon Steel (A105)	3000	1.6 lb
3000-Threaded-1 1/2 Reducing Coupling	1 1/2	Threaded	Carbon Steel (A105)	3000	2.26 lb
3000-Threaded-2 Reducing Coupling	2	Threaded	Carbon Steel (A105)	3000	2.95 lb
3000-Threaded-2 1/2 Reducing Coupling	2 1/2	Threaded	Carbon Steel (A105)	3000	4.61 lb
3000-Threaded-3 Reducing Coupling	3	Threaded	Carbon Steel (A105)	3000	6.89 lb
3000-Threaded-4 Reducing Coupling	4	Threaded	Carbon Steel (A105)	3000	12.48 lb
6000-Threaded-1/8 Reducing Coupling	1/8	Threaded	Carbon Steel (A105)	6000	N/A
6000-Threaded-1/4 Reducing Coupling	1/4	Threaded	Carbon Steel (A105)	6000	0.28 lb
6000-Threaded-3/8 Reducing Coupling	3/8	Threaded	Carbon Steel (A105)	6000	0.39 lb
6000-Threaded-1/2 Reducing Coupling	1/2	Threaded	Carbon Steel (A105)	6000	0.700 lb
6000-Threaded-3/4 Reducing Coupling	3/4	Threaded	Carbon Steel (A105)	6000	0.95 lb
6000-Threaded-1 Reducing Coupling	1	Threaded	Carbon Steel (A105)	6000	1.93 lb
6000-Threaded-1 1/4 Reducing Coupling	1 1/4	Threaded	Carbon Steel (A105)	6000	2.28 lb
6000-Threaded-1 1/2 Reducing Coupling	1 1/2	Threaded	Carbon Steel (A105)	6000	4.2 lb
6000-Threaded-2 Reducing Coupling	2	Threaded	Carbon Steel (A105)	6000	6 lb
6000-Threaded-2 1/2 Reducing Coupling	2 1/2	Threaded	Carbon Steel (A105)	6000	8.65 lb
6000-Threaded-3 Reducing Coupling	3	Threaded	Carbon Steel (A105)	6000	13.41 lb
6000-Threaded-4 Reducing Coupling	4	Threaded	Carbon Steel (A105)	6000	21.86 lb

6. Price list of Stainless Steel Threaded Reducing Coupling

Estan Pipe Fittings is one of the manufacturers and suppliers of Threaded Fittings from China. Our prices for ASME B16.11 Forged Steel Threaded Reducing Coupling Fittings are very reasonable.

Please contact us for the latest price list and available stock information along with your requirements. We maintain a stock of all standard items and export them at the best price for ASME B16.11 Stainless Steel Threaded Reducing Couplings.

7. Packing of Stainless Steel Threaded Reducing Coupling

Estan Pipe Fittings emphasizes the packaging to ensure that there is no damage during transit to the ASME B16.11 Forged Steel Threaded Reducing Coupling Fittings. ASME B16.11 Threaded Reducing Couplings are packed in export standard plywood pallets/ free fumigation wooden cases. They are marked with Grade, Lot No, Size, Degree, etc. You can also contact us for customized marking.

Surface: Light Oiling, Black Painting, Galvanizing, PE /3PE Anti-corrosion Coating
Packing: Export Standard Plywood Pallets/ Free Fumigation Wooden Case.

8. Forged Steel Threaded Reducing Coupling HS Code

73071900 STAINLESS STEEL FLANGES/TEES/ELBOWS SS 316 PIPE REDUCING COUPLING SIZE-1/2NPTX1/4NPT
73079990 SS-316 HEX REDUCING COUPLING SIZE:1/4NPT(F) X 1/8NPT(F)
73079990 FORGED STAINLESS STEEL FITTING : (A182 F316L-2X 3/4 3000 # REDUCING COUPLING NPT)
84819090 STAINLESS STEEL 316 PIPE FITTINGS, 3000PSI & 6000 PSI Reducing Threaded Coupling 1-1/2NPT(F) x 1/2NPT(F)