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Socket Weld Union
MSS SP-83 Union Socket Weld should be screwed tight before the ends are welded, to minimize warping of the seat. Available sizes are 1/8″ to 3″.
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 Socket Weld Union Dimension | MSS SP-83 |
Forged Socket Weld Union Size | 1/4″ NB TO 3″ NB |
Forged Socket Weld Union Class | 3000 LBS, 6000 LBS, 9000 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. Socket Weld Fittings Dimensional Standards
- ASME B16.11: Forged fittings, Socket welding and threaded.
- MSS-SP-79: Socket Welding Reducing Insert.
- MSS-SP-83: Steel Pipe Unions, Socket welding and threaded.
- MSS-SP-95: Swaged Nipples and Bull Plug.
Dimensions of socket weld Unions according to MSS SP-83
Nominal Diameter |
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D min | C min | d1 | d2 | J min | L | ||||
DN | NPS | Socket | Threaded | Socket | Threaded | Socket |
| Socket | Socket & Threaded |
6 | 1/8 | 21.8 | 14.7 | 3.2 | 2.5 | 10.65 | 6.43 | 10 | 41.4 |
8 | 1/4 | 21.8 | 19.0 | 3.3 | 3.1 | 14.10 | 9.45 | 10 | 41.4 |
10 | 3/8 | 25.9 | 22.9 | 3.5 | 3.2 | 17.55 | 13.51 | 10 | 46.0 |
15 | 1/2 | 31.2 | 27.7 | 4.1 | 3.8 | 21.70 | 17.07 | 10 | 49.0 |
20 | 3/4 | 37.1 | 33.5 | 4.3 | 4.0 | 27.05 | 21.39 | 13 | 56.9 |
25 | 1 | 45.5 | 41.4 | 5.0 | 4.6 | 33.80 | 27.74 | 13 | 62.0 |
32 | 11/4 | 54.9 | 50.5 | 5.3 | 4.9 | 42.55 | 35.36 | 13 | 71.1 |
40 | 11/2 | 61.5 | 57.2 | 5.6 | 5.1 | 48.65 | 41.20 | 13 | 76.5 |
50 | 2 | 75.2 | 70.1 | 6.1 | 5.6 | 61.10 | 52.12 | 16 | 86.1 |
65 | 21/2 | 91.7 | 85.3 | 7.7 | 7.1 | 73.80 | 64.31 | 16 | 102.4 |
80 | 3 | 109.2 | 102.4 | 8.4 | 7.7 | 89.80 | 77.27 | 16 | 109.0 |
Dimensions are in mm unless noted otherwise.
Forged Steel Fittings & Unions > SP-83 Union (Class 3000 & 6000) – Socket Weld. Weights are in lb.
Item | Size | Connection Type | Material | Class | Weight |
3000-1/8 Union | 1/8 | Socket Weld | Carbon Steel (A105) | 3000 | 0.41 lb |
3000-1/4 Union | 1/4 | Socket Weld | Carbon Steel (A105) | 3000 | 0.38 lb |
3000-3/8 Union | 3/8 | Socket Weld | Carbon Steel (A105) | 3000 | 0.54 lb |
3000-1/2 Union | 1/2 | Socket Weld | Carbon Steel (A105) | 3000 | 0.79 lb |
3000-3/4 Union | 3/4 | Socket Weld | Carbon Steel (A105) | 3000 | 1.250 lb |
3000-1 Union | 1 | Socket Weld | Carbon Steel (A105) | 3000 | 1.8 lb |
3000-1 1/4 Union | 1 1/4 | Socket Weld | Carbon Steel (A105) | 3000 | 2.88 lb |
3000-1 1/2 Union | 1 1/2 | Socket Weld | Carbon Steel (A105) | 3000 | 3.64 lb |
3000-2 Union | 2 | Socket Weld | Carbon Steel (A105) | 3000 | 5.81 lb |
3000-2 1/2 Union | 2 1/2 | Socket Weld | Carbon Steel (A105) | 3000 | 8.77 lb |
3000-3 Union | 3 | Socket Weld | Carbon Steel (A105) | 3000 | 12.98 lb |
6000-1/4 Union | 1/4 | Socket Weld | Carbon Steel (A105) | 6000 | 0.59 lb |
6000-3/8 Union | 3/8 | Socket Weld | Carbon Steel (A105) | 6000 | 0.84 lb |
6000-1/2 Union | 1/2 | Socket Weld | Carbon Steel (A105) | 6000 | 1.42 lb |
6000-3/4 Union | 3/4 | Socket Weld | Carbon Steel (A105) | 6000 | 2.09 lb |
6000-1 Union | 1 | Socket Weld | Carbon Steel (A105) | 6000 | 3.400 lb |
6000-1 1/4 Union | 1 1/4 | Socket Weld | Carbon Steel (A105) | 6000 | 4.09 lb |
6000-1 1/2 Union | 1 1/2 | Socket Weld | Carbon Steel (A105) | 6000 | 7.18 lb |
6000-2 Union | 2 | Socket Weld | Carbon Steel (A105) | 6000 | 12.44 lb |
5. Price list of SP-83 Union Socket Weld
Estan Pipe Fittings is one of the manufacturers and suppliers of Socketweld Fittings from China. Our prices for Socket Weld Unions 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 SP-83 Union Socket Weld.
6. Packing of SP-83 Union Socket Weld
Estan Pipe Fittings emphasizes the packaging to ensure that there is no damage during transit to the Socket Weld Unions. Socket Weld Unions 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.
7. SP-83 Union Socket Weld HS Code
- 73079190 C.S. FITTINGS – NON-ALLOY STEEL UNION PIPE SOCKET WELD 3/4 CS 3000#
- 73079190 FORGED FITTINGS UNION CARON STEEL SOCKET WELD MATERIAL CONFORMING TO ASTM A 105, 6000LB 1 INCH
- 73079990 UNION:SIZE:2IN, MATERIAL ASTM A105, END CONNECTION SOCKET WELD, CLASS:6000LB, STANDARD MSS SP83
- 73079990 UNION: SIZE:11N, MATERIAL ASTM A182 GRADEF5 END CONNECTION SOCKET WELD: CLASS:6000LB
- 73072300 STAINLESS STEEL Grade 316 ASME SOCKET WELD UNION NPS 4 2000#
- 73072900 STAINLESS STEEL FITTINGS: UNION A182-F316L-11/2 3000 SOCKET WELD
- 73072900 STAINLESS STEEL FITTING A182 Gr.F316 150PSI SIZE: 3/4 UNION SOCKET WELD
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