Forget Fittings ASME B16.11
Threaded Half Coupling
Table of Content
- Threaded Half Coupling Specification
- Threaded Half Coupling Material & Grades
- Types of Threaded Half Coupling ASME B16.11
- Threaded Coupling Dimensions Standard
- ASME B16.11 Half Coupling Threaded Dimensions
- ASME B16.11 Half Coupling Threaded – Class 3000
- Threaded Half Coupling Class 6000 Dimensions NPS 1/2 to 4
Kaizen Steel Industries manufactures Forged Threaded Fittings Half Couplings and offers high-quality ASME B16.11 / BS3799 Half Couplings at competitive prices. Our Forged Threaded Half Couplings are used widely in industries such as oil refineries, chemical processing, petrochemicals, and more. Threaded Fittings Half couplings come in various specifications and are priced competitively.
The ASME B16.11 Threaded Half Coupling Standard includes ratings, tolerances, marking, and material requirements for both socket-welded and threaded forged fittings. It also provides dimensions for ASME B16.11 half couplings, which are categorized into pressure classes: Class 2000, Class 3000, and Class 6000 for threaded end fittings, and Class 3000, Class 6000, and Class 9000 for socket-weld end fittings. These dimensions must be used with equipment and other ASME standards, including the Boiler and Pressure Vessel Code and the B31 Piping Codes.
A threaded pipe half coupling is a connector that screws two pieces of pipe together using threaded rings. The threaded half coupling is threaded at one end, while the other end can be welded or otherwise fastened to the piping.
For example, hoses are connected using a half coupling ASME B16.11. The threaded end of the coupling screws onto a faucet, while the other end is clamped onto the hose. In piping, one end of the ASME B16.11 coupling is screwed onto a pipe, and the other end can be tightly inserted or welded onto another pipe.
Threaded half couplings made of stainless steel are also used in the aerospace industry as connectors for pressurized fuel piping. Safety inspections for these couplings are crucial, and launches can be delayed if a threaded half coupling requires closer examination.
There are two types of ASME B16.11 Threaded Half Couplings: male and female.
- Male Threaded Half Coupling: This type has external threads, and the pipe fits over these threads. For example, a male threaded half coupling with a rating of 3000 will have threads on the outside.
- Female Threaded Half Coupling: This type has internal threads, and the pipe is inserted and twisted into these threads to make a secure connection. For example, a Female 1/2 threaded half coupling has threads on the inside where the pipe is screwed in.
We are a leading global supplier of ASME B16.11 Threaded Half Couplings, offering competitive prices. As one of the largest suppliers and dealers of Screwed Full Couplings in India, we provide top-quality products at the best cost.
Threaded Half Coupling Specification
| Dimensions | ASME 16.11, MSS SP-79, MSS SP-95, 83, 95, 97, BS 3799 |
| Size | 1/8″ NB TO 4″ NB |
| Class | 3000 LBS, 6000 LBS, 9000 LBS |
| Type | Threaded (S/W) & SCREWED (SCRD) – NPT, BSP, BSPT |
| Form | Threaded Coupling, Threaded Pipe Coupling, Threaded Half Coupling |
| Value Added Services: | Hot Dipped Galvanizing, Epoxy & FBE Coating, Electro Polish, Sand Blasting, Threading, Soldering |
| Production Grades: | Stainless Steel, Alloy Steel, Duplex, Nickel Alloys, Low temperature Steel, Carbon Steel, Cupro Nickel |
Threaded Half Coupling Material & Grades
| Material Type | Specifications |
|---|---|
| Stainless Steel Threaded Half Coupling | ASTM A182 F304, F304L, F306, F316L, F304H, F309S, F309H, F310S, F310H, F316TI, F316H, F316LN, F317, F317L, F321, F321H, F11, F22, F91, F347, F347H, F904L, ASTM A312/A403 TP304, TP304L, TP316, TP316L |
| Carbon Steel Threaded Half Coupling | ASTM A105, A350 LF2, A106 Gr.B, A234 WPB |
| Alloy Steel Threaded Half Coupling | ASTM / ASME A182, ASTM / ASME A335 GR P 1, P 5, P 9, P 11, P 12, P 22, P 23, P 91, ASTM / ASME A691 GR 1 CR, 1 1/4 CR, 2 1/4 CR, 5 CR, 9CR, 91 |
| Duplex Steel Threaded Half Coupling | ASTM/ASME A182 / SA182, A790 / SA790 UNS No S31803, S32205 |
| Super Duplex Threaded Half Coupling | ASTM/ASME A182 / SA182, A790 / SA790 UNS No S32750, S32950 |
| Nickel Alloy Threaded Half Coupling | ASTM B336, ASME SB336, Nickel 200 (UNS No. N02200), Nickel 201 (UNS No. N02201), Monel 400 (UNS No. N04400), Monel 500 (UNS No. N05500), Inconel 800 (UNS No. N08800), Inconel 825 (UNS No. N08825), Inconel 600 (UNS No. N06600), Inconel 625 (UNS No. N06625), Inconel 601 (UNS No. N06601), Hastelloy C 276 (UNS No. N10276), Alloy 20 (UNS No. N08020), Titanium (Grade I & II), Copper Nickel (Cupro-Nickel 90/10 & 70/30) |
| Low Temperature Carbon Steel Threaded Half Coupling | ASTM/ASME A420 SA/420 WPL3, WPL6 |
Types of Threaded Half Coupling ASME B16.11
ASME B16.11 Threaded Half Coupling
Threaded Pipe Half Coupling
ASME B16.11 Half Coupling Threaded
Threaded Coupling Dimensions Standard
| Material Type | Specifications |
|---|---|
| Stainless Steel Forged Threaded Coupling | ASTM A182 F304, F304L, F306, F316L, F304H, F309S, F309H, F310S, F310H, F316TI, F316H, F316LN, F317, F317L, F321, F321H, F11, F22, F91, F347, F347H, F904L, ASTM A312/A403 TP304, TP304L, TP316, TP316L |
| Duplex & Super Duplex Steel Forged Threaded Pipe Coupling | ASTM A 182 – F 51, F53, F55 S 31803, S 32205, S 32550, S 32750, S 32760, S 32950 |
| Carbon Steel Forged Threaded Half Coupling | ASTM/ ASME A 105, ASTM/ ASME A 350 LF 2, ASTM / ASME A 53 GR. A & B, ASTM A 106 GR. A, B & C. API 5L GR. B, API 5L X 42, X 46, X 52, X 60, X 65 & X 70. ASTM / ASME A 691 GR A, B & C |
| Alloy Steel Forged Threaded Half Coupling | ASTM / ASME A 182, ASTM / ASME A 335, ASTM / ASME A 234 GR P 1, P 5, P 9, P 11, P 12, P 22, P 23, P 91, ASTM / ASME A 691 GR 1 CR, 1 1/4 CR, 2 1/4 CR, 5 CR, 9CR, 91 |
| Copper Alloy Steel Forged Threaded Half Coupling | ASTM / ASME SB 111 UNS NO. C 10100 , C 10200 , C 10300 , C 10800 , C 12000, C 12200, C 70600 C 71500, ASTM / ASME SB 466 UNS NO. C 70600 ( CU -NI- 90/10) , C 71500 ( CU -NI- 70/30) |
| Nickel Alloy Forged Threaded Half Coupling | ASTM / ASME SB 336, ASTM / ASME SB 564 / 160 / 163 / 472, 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) |
ASME B16.11 Half Coupling Threaded Dimensions
ASME B16.11 Half Coupling Threaded - Class 3000
| NPS | End to End | Outside Diameter | Minimum Length of Thread | |
| A | D | B | J | |
| 1/2 | 48 | 28 | 10.9 | 13.6 |
| 3/4 | 51 | 35 | 12.7 | 13.9 |
| 1 | 60 | 44 | 14.7 | 17.3 |
| 1.1/4 | 67 | 57 | 17 | 18 |
| 1.1/2 | 79 | 64 | 17.8 | 18.4 |
| 2 | 86 | 76 | 19 | 19.2 |
| 2.1/2 | 92 | 92 | 23.6 | 28.9 |
| 3 | 108 | 108 | 25.9 | 30.5 |
| 4 | 121 | 140 | 27.7 | 33 |
Threaded Half Coupling Class 6000 Dimensions NPS 1/2 to 4
| NPS | End to End | Outside Diameter | Minimum Length of Thread | |
| A | D | B | J | |
| 1/2 | 48 | 38 | 10.9 | 13.6 |
| 3/4 | 51 | 44 | 12.7 | 13.9 |
| 1 | 60 | 57 | 14.7 | 17.3 |
| 1.1/4 | 67 | 64 | 17 | 18 |
| 1.1/2 | 79 | 76 | 17.8 | 18.4 |
| 2 | 86 | 92 | 19 | 19.2 |
| 2.1/2 | 92 | 108 | 23.6 | 28.9 |
| 3 | 108 | 127 | 25.9 | 30.5 |
| 4 | 121 | 159 | 27.7 | 33 |
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