What is a Socket Weld Full Coupling ？
A stainless steel socket weld full coupling is a type of fitting that is used to connect two pipes together. It has a socket weld end which allows for easy welding to the pipe and a full coupling design that ensures a secure connection. This type of coupling is made of high-quality stainless steel which makes it strong, durable and resistant to corrosion. It is commonly used in a variety of industrial applications including chemical processing, food and beverage production, and oil and gas refining. The socket weld full coupling comes in different sizes and is designed to meet various pipe diameters, pressure ratings, and temperature ratings. It is an essential component in many piping systems and is often used in conjunction with other fittings such as elbows, tees, and flanges to create a complete piping system.
Socket Weld Full Coupling Specifications
| Sizes | 1/2″NB TO 4″NB IN |
| Standards | ASME/ANSI B16.11, MSS SP-79, MSS-SP-95, 83, 97，DIN28011, DIN2617, DIN2616, DIN2615, DIN2605，EN10253-2, EN10253-1 |
| Dimensions | ASME 16.11, MSS SP-79, MSS SP-95, 83, 95, 97, BS 3799 |
| Thickness | Schedule 5S, 10S, 20S, S10, S20, S30, STD, 40S, S40, S60, XS, 80S, S80, S100, S120, S140, S160, XXS and etc. |
| Pressure Ratings | 2000 LBS, 3000 LBS, 6000 LBS, 9000 LBS |
| From | Socket Weld Full Coupling |
| Grades&Materials | ASTM A403 WP Gr. 304, 304L, 304H, 310, 316, 316L, 316H, 316Ti, 317L, 321, 347, 904L，ASTM A234 WPB, WPBW, WPHY 70, WPHY 65, WPHY 60, WPHY 52, WPHY 46, & WPHY 42，ASTM A420 WPL6, ASTM A420 WPL3，ASTM / ASME A/SA 234 Gr. WP1, WP5, WP9, WP11, WP12, WP22, WP91，ASTM A815, ASME SA815 UNS NO S31803, UNS NO S32205, UNS S32750, UNS S32950. Werkstoff No. 1.4462，UNS 10276 (HASTELLOY C 276), UNS 6625 (INCONEL 625), UNS 6601 (INCONEL 601), UNS 6600 (INCONEL 600), UNS 8825 (INCONEL 825), UNS 8020 (ALLOY 20 / 20 CB 3), UNS 4400 (MONEL 400), UNS 2201 (NICKEL 201), ASTM / ASME SB 336 UNS 2200 (NICKEL 200) |
| Type | Socket Weld (S/W) & SCREWED (SCRD) – NPT, BSP, BSPT |
Manufacturing Standards of Socket Weld Full Coupling
| ASME Standard | ASME/ANSI B16.11, MSS SP-79, MSS-SP-95, 83, 97 |
| DIN Standard | DIN28011, DIN2617, DIN2616, DIN2615, DIN2605 |
| EN Standard | EN10253-2, EN10253-1 |
| ASME B16.11 | Socket Weld Fittings, Socket – Welding and Threaded |
| ASTM A182 – ASME SA182 | Standard Specification for Wrought Austenitic SS Piping Socket Weld Fittings |
| MSS SP-95 | Swage(d) Nipples and Bull Plugs |
Forged Socket Weld Full Coupling Materials and Grades
| Stainless Steel Socket Weld Full Coupling |
| ASTM A403 WP Gr. 304, 304L, 304H, 310, 316, 316L, 316H, 316Ti, 317L, 321, 347, 904L |
| Carbon Steel Socket Weld Full Coupling |
| ASTM A234 WPB, WPBW, WPHY 70, WPHY 65, WPHY 60, WPHY 52, WPHY 46, & WPHY 42. |
| Low Temperature Socket Weld Full Coupling |
| ASTM A420 WPL6, ASTM A420 WPL3 |
| Alloy Steel Socket Weld Full Coupling |
| ASTM / ASME A/SA 234 Gr. WP1, WP5, WP9, WP11, WP12, WP22, WP91 |
| Duplex & Super Duplex Steel Socket Weld Full Coupling |
| ASTM A815, ASME SA815 UNS NO S31803, UNS NO S32205, UNS S32750, UNS S32950. Werkstoff No. 1.4462 |
| Nickel Alloy Socket Weld Full Coupling |
| UNS 10276 (HASTELLOY C 276), UNS 6625 (INCONEL 625), UNS 6601 (INCONEL 601), UNS 6600 (INCONEL 600), UNS 8825 (INCONEL 825), UNS 8020 (ALLOY 20 / 20 CB 3), UNS 4400 (MONEL 400), UNS 2201 (NICKEL 201), ASTM / ASME SB 336 UNS 2200 (NICKEL 200) |
Socket Weld Full Coupling Fittings Types BY Size, Class, and Wall Thickness
| Description | Class Designation | ||
| 2000 | 3000 | 6000 | |
| Full Coupling | 1/2 – 4 | 1/2 – 2 | 1/2 – 2 |
| 1/2 – 4 | 1/2 – 2 | 1/2 – 2 | |
| 1/2 – 4 | 1/2 – 2 | 1/2 – 2 | |
| Pipe Size
by Wall Thickness |
SCH 80 / XS | SCH 160 | XXS |
Socket Weld Full Coupling Dimensions
ocket Weld Full Coupling Specifications drawing
3000 LB Socket Weld Full Coupling Dimensions In MM
| NPS | Socket
Bore |
Socket
wall thickness |
Bore
diameter |
Depth
Socket |
Laying lengths |
| B | C | D | J | E | |
| 1/2 | 21.95
21.70 |
4.65
4.10 |
16.6
15 |
10 | 9.5 |
| 3/4 | 27.30
27.05 |
4.90
4.25 |
21.7
20.2 |
13 | 9.5 |
| 1 | 34.05
33.80 |
5.70
5.00 |
27.4
25.9 |
13 | 13 |
| 1¼ | 42.80
42.55 |
6.05
5.30 |
35.8
34.3 |
13 | 13 |
| 1½ | 48.90
48.65 |
6.35
5.55 |
41.7
40.1 |
13 | 13 |
| 2 | 61.35
61.10 |
6.95
6.05 |
53.5
51.7 |
16 | 19 |
| 2½ | 74.20
73.80 |
8.75
7.65 |
64.2
61.2 |
16 | 19 |
| 3 | 90.15
89.80 |
9.50
8.30 |
79.5
46.4 |
16 | 19 |
| 4 | 115.80
115.45 |
10.70
9.35 |
103.8
100.7 |
19 | 19 |
Class 6000 Socket Weld Full Coupling Dimensions In Inches
| NPS | Socket
Bore |
Socket
wall thickness |
Bore
diameter |
Depth
Socket |
Laying lengths |
| B | C | D | J | Coupling
E |
|
| 1/2 | 21.95
21.70 |
5.95
5.20 |
12.5
11 |
10 | 9.5 |
| 3/4 | 27.30
27.05 |
6.95
6.05 |
16.3
14.8 |
13 | 9.5 |
| 1 | 34.05
33.80 |
7.90
6.95 |
21.5
19.9 |
13 | 13 |
| 1¼ | 42.80
42.55 |
7.90
6.95 |
30.2
28.7 |
13 | 13 |
| 1½ | 48.90
48.65 |
8.90
7.80 |
34.7
33.2 |
13 | 13 |
| 2 | 61.35
61.10 |
10.90
9.50 |
43.6
42.1 |
16 | 19 |
Socket Weld Full Coupling Pipe Fittings Weight Chart
| Name | Working Pressure | 1/4” | 3/8” | 1/2” | 3/4” | 1” | 1-1/4” | 1-1/2” | 2” |
| Coupling S/W | 3000# | 9 | 18 | 26 | 40 | 92 | 152 | 229 | 462 |
| Coupling Screw | 3000# | 9 | 18 | 26 | 40 | 92 | 152 | 229 | 462 |
Dimensional Tolerances of Socket Weld Full Coupling as per ASME B16.11
| Socket Weld Full Coupling ASME B16.11 Tolerance (Full Coupling) | Full Coupling | |||
| Socket Weld Fitting Dimension (NPS) | Outside
Diameter at Bevel |
Inside
Diameter at End |
Wall Thickness T | Center-to-End
Dimension A ,C ,B |
| 1/2 to 2-1/2 | +0.06 | Not less than 87.5%
of nominal thickness |
+/- 0.06 | |
| -0.03 | ||||
| 3 to 3-1/2 | +/- 0.06 | +/- 0.06 | +/- 0.06 | |
| 4 | +/- 0.06 | +/- 0.06 | +/- 0.06 | |
| 5 to 8 | +/- 0.06 | +/- 0.06 | +/- 0.06 | |
| 10 to 18 | +0.16 | +/- 0.12 | +/- 0.09 | |
| -0.12 | ||||
| 20 to 24 | +0.25 | +/- 0.19 | +/- 0.09 | |
| -0.19 | ||||
| 26 to 30 | +0.25 | +/- 0.19 | +/- 0.12 | |
| -0.19 | ||||
| 32 to 48 | +0.25 | +/- 0.19 | +/- 0.19 | |
| -0.19 | ||||
ASME B16.11 SS Socket Weld Full Coupling Angularity Tolerance
| ND | Max off angle | Max off plane |
| Q | P | |
| 1/2 a 4 | 1 | 2 |
| 5 a 8 | 2 | 4 |
| 10 a 12 | 3 | 5 |
| 14 a 16 | 3 | 7 |
| 18 a 24 | 4 | 10 |
| 26 a 30 | 5 | 10 |
| 32 a 42 | 5 | 13 |
| 44 a 48 | 5 | 20 |
Available Types of ASME B16.11 Socket Weld Full Coupling
| ANSI B16.11 Forged Socket weld Full Coupling | BS 3799 Forged Full Coupling |
| Forged Socket weld Full Coupling | Socket weld Forged Pipe Full Coupling |
| Carbon Steel Socket weld Full Coupling | High Quality Socket weld Full Coupling |
| ASTM A182 Socket weld Stainless Steel Full Coupling | Duplex Steel Socket weld Full Coupling |
| Forged Steel Socket weld Full Coupling | Forged Socket weld Full Coupling |
| 150 lb. Socket Weld Fittings Full Coupling | Socket weld Forged Full Coupling |
| ASME B16.11 Forged Socket weld Full Coupling | Forged Full Coupling 3000LB Socket Weld |
| Stainless Steel Socket Weld Full Coupling | SS Forged Socket weld Full Coupling |
| Super Duplex Steel Socket Weld Full Coupling | Copper Nickel Socket weld Full Coupling |
| High Nickel Alloy Forged Socket weld Full Coupling | Hastelloy Socket weld Full Coupling |
| Titanium Forged Socket weld Full Coupling | Inconel Socket weld Full Coupling |
Stainless Steel Socket Weld Full Coupling Pipe Fittings Applications
- Off-Shore Oil Drilling Companies
- Power Generation
- Gas Processing
- Petrochemicals
- Pharmaceutical Equipment
- Specialty Chemicals
- Chemical Equipment
- Pharmaceuticals
- Pulp & Paper Industry
- Sea Water Equipment
- Heat Exchangers
- Condensers
