Stainless Steel Union
USD6 USD5
Stainless Steel Socket Weld Union 1 inch ASTM A182 F316 ASME B16.11
Quality stainless steel forged fittings manufacturer and exporter supplies 1 inch pipe union ASTM A182 F316 ASME B16.11 in socket weld and thread types.
We offer the complete range of forged fittings including socket weld fittings and threaded fittings. Like Elbows, Tees, Crosses, Couplings, Caps, Hexagonal Nipple, Threaded Plugs, Union and Lateral. These pipe fittings are fabricated by best original material which buy from famous and big steel mill.
Forged Fittings Specification
Standard: ASME B16.11, SH3410, JIS B2316, BS3799
Size: 1/8″, 1/4″, 3/8″, 1/2″, 3/4″, 1″, 1 1/4″, 1 1/2″, 2″, 2 1/2″, 3″
Pressure: 3000LB, 6000LB, 9000LB
Types: Socket Weld Fittings and Threaded Pipe Fittings
Carbon Steel Grades
ASTM A105, A694 F52, F60, F65, F70, A350 LF2, LF3
Stainless Steel Grades
ASTM A182 F304/304L/F304H, F316/316L, F310, F317, F321, F309
Duplex Steel Grades
ASTM A182 F51, F53, F55, F56, F57
Stainless Steel Union Dimensions
Steel Pipe Union Dimensions
Weight Chart of Steel Pipe Union
The unions are available in small dimensions which below 3 inch so that the weight is light. So we can send them by courier or air, the weight can be used to check freight. The weight chart can be used in socket weld and threaded union.
| Nominal Size | Approx. Weight/kg | |
| DN | NPS | Class 3000 |
| 6 | 1/8 | 0.06 |
| 8 | 1/4 | 0.06 |
| 10 | 3/8 | 0.08 |
| 15 | 1/2 | 0.14 |
| 20 | 3/4 | 0.2 |
| 25 | 1 | 0.28 |
| 32 | 1 1/4 | 0.48 |
| 40 | 1 1/2 | 0.52 |
| 50 | 2 | 1 |
| 65 | 2 1/2 | 1.6 |
| 80 | 3 | 1.8 |
Quality Assurance of Class 3000 Pipe Fittings
Forged steel fittings and flanges are subject to strict inspection at each stage of the production process, from starting material purchasing to product dispatch. After the processing down, we will do below inspection.
Visually examined surface and marking.
Measure the size and thickness.
Test the properties of stainless steel.
Package of Stainless Steel Threaded Union
- Putting them into small plastic bags.
- Lining up threaded unions in cartons.
- Packing cartons in wooden cases.
- Sticking shipping mark on outside of packages.
Certificates for Forged Steel Fittings and Flanges
ISO 9001 certificate
CE certificate
EN10204 B3.1 MTC
Third party inspection report
ABS, BV, DNV and API
316 Stainless Steel Properties
Chemical Composition
| C | Mn | Si | P | S | Cr | Mo | Ni |
|---|---|---|---|---|---|---|---|
| 0.035 | 2 | 0.75 | 0.045 | 0.03 | 16-18 | 2-3 | 10-14 |
Mechanical Properties
| Tensile Strength | Yield Strength | Elongation |
|---|---|---|
| 515 (Mpa) | 205 (Mpa) | 40 (%) |
Drawings & Specification for Socket Weld Union
Socket Weld Union Drawing
| Nominal Size | Pipe End | Socket Bore Dia | Socket Wall | Water Way Bore | Laying Length | Male Flange | Nut | THRD Per lnch | Bearing | Depth of Cocket | Length Assem | Clear Assem Nut | |
| DN | NPS | A | B | C | D | E | F | G | H | J | K | L | N |
| 6 | 1/8 | 21.8 | 10.9 | 3.2 | 6.1 | 20.7 | 3.2 | 3.2 | 16 | 1.2 | 9.7 | 41.4 | 51 |
| 8 | 1/4 | 21.8 | 14.3 | 3.3 | 8.5 | 20.7 | 3.2 | 3.2 | 16 | 1.2 | 9.7 | 41.4 | 51 |
| 10 | 3/8 | 25.9 | 17.7 | 3.5 | 11.8 | 23.8 | 3.4 | 3.4 | 14 | 1.4 | 9.7 | 46 | 56 |
| 15 | 1/2 | 31.2 | 21.9 | 4.1 | 15 | 23.8 | 3.7 | 3.7 | 14 | 1.5 | 9.7 | 49 | 59 |
| 20 | 3/4 | 37.1 | 27.3 | 4.3 | 20.2 | 28.6 | 4.1 | 4.1 | 11 | 1.7 | 12.7 | 56.9 | 66 |
| 25 | 1 | 45.5 | 34 | 5 | 25.9 | 30.2 | 4.6 | 4.4 | 11 | 1.9 | 12.7 | 62 | 79 |
| 32 | 1 1/4 | 54.9 | 42.8 | 5.3 | 34.3 | 36.6 | 5.3 | 5.2 | 10 | 2.1 | 12.7 | 71.1 | 94 |
| 40 | 1 1/2 | 61.5 | 48.9 | 5.5 | 40.1 | 38.1 | 5.8 | 5.6 | 10 | 2.3 | 12.7 | 76.5 | 112 |
| 50 | 2 | 75.2 | 61.2 | 6 | 51.7 | 41.4 | 6.6 | 6.4 | 10 | 2.7 | 15.7 | 86.1 | 132 |
| 65 | 2 1/2 | 91.7 | 73.9 | 7.7 | 61.2 | 56.9 | 7.5 | 7.1 | 8 | 3.1 | 15.7 | 102.4 | 150 |
| 80 | 3 | 109.2 | 89.9 | 8.3 | 76.4 | 58.7 | 8.3 | 8 | 8 | 3.5 | 15.7 | 109 | 176 |
Drawing & Specification for Threaded Union
Threaded Union Drawing
| Nominal Size | Pipe End | Wall | Bore | Male Flange | Nut | THRD Per Inch | Bearing | Length Assem | Clear Assem.Nut | |
| DN | NPS | Amin | Cmin | D | Fmin | Gmin | H | Jmin | Lnom | N |
| 6 | 1/8 | 14.7 | 2.4 | 8.4 6.4 |
3.2 | 3.2 | 16 | 1.2 | 41.4 | 51 |
| 8 | 1/4 | 19.1 | 3.0 | 11.1 9.4 |
3.2 | 3.2 | 16 | 1.2 | 41.4 | 51 |
| 10 | 3/8 | 22.9 | 3.2 | 14.3 13.5 |
3.4 | 3.4 | 14 | 1.4 | 46.0 | 56 |
| 15 | 1/2 | 27.7 | 3.7 | 17.9 17.1 |
3.7 | 3.7 | 14 | 1.5 | 49.0 | 59 |
| 20 | 3/4 | 33.5 | 3.9 | 23.0 21.4 |
4.1 | 4.1 | 11 | 1.7 | 56.9 | 66 |
| 25 | 1 | 41.4 | 4.5 | 29.0 27.7 |
4.6 | 4.4 | 11 | 1.9 | 62.0 | 79 |
| 32 | 1 1/4 | 50.5 | 4.9 | 37.7 35.4 |
5.3 | 5.2 | 10 | 2.1 | 71.1 | 94 |
| 40 | 1 1/2 | 57.2 | 5.1 | 43.5 41.2 |
5.8 | 5.6 | 10 | 2.3 | 76.5 | 112 |
| 50 | 2 | 70.1 | 5.5 | 55.6 52.1 |
6.6 | 6.4 | 10 | 2.7 | 86.1 | 132 |
| 65 | 2 1/2 | 85.3 | 7.0 | 66.3 64.3 |
7.5 | 7.1 | 8 | 3.1 | 102.4 | 150 |
| 80 | 3 | 102.4 | 7.6 | 82.6 77.3 |
8.3 | 8.0 | 8 | 3.5 | 109.0 | 176 |
Alloy Steel Tee Equal
Equal Tee 10 inch PN9.8 BW ASTM A234 WP12 ASME B16.9
3 Threaded Cap
Stainless Steel Threaded Cap 3 Inch NPT 6000 LB SS316 ASME B16.11
NPT Threaded Bushing
NPT Threaded Bushing Hex Head 1/4" ASTM A182 F91 ASME B16.11
90 Degree Threaded Elbow
90 Degree Threaded Elbow 1" 3000lb BSPT ASTM A105 ASME B16.11
Socket Weld Half Coupling
2 Inch Class 6000 Socket Weld Half Coupling ASTM A105 ASME B16.11
Sockolet Class 3000
4 x 1 Inch Sockolet Class 3000 ASTM A182 F5 MSS SP-97