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Product Overview
A Socket Weld Flange (SW Flange) is designed with a socket or recessed bore that allows the pipe to fit inside the flange before being secured with a fillet weld around the outside. This design ensures proper pipe alignment, reduces installation time, and provides a strong connection capable of handling high-pressure services. Socket Weld Flanges are widely used for small-bore piping systems where leak-free performance and structural integrity are essential.
At Moksh Tubes & Fittings LLP, we manufacture precision-engineered Socket Weld Flanges using premium-quality forged materials and advanced CNC machining technology. Our flanges are available in a variety of sizes, pressure classes, and material grades to meet the needs of industrial piping systems across multiple industries.
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Specifications
| Specification | Details |
|---|---|
| Product | Socket Weld Flange |
| Standards | ASME B16.5, ASME B16.47, EN 1092-1, DIN, BS, JIS |
| Material | Stainless Steel, Carbon Steel, Alloy Steel, Duplex, Super Duplex, Nickel Alloys & Titanium |
| Size Range | ½" NB to 24" NB |
| Pressure Classes | Class 150, 300, 600, 900, 1500 & 2500 |
| Facing Type | Raised Face (RF), Ring Type Joint (RTJ) & Flat Face (FF) |
| End Connection | Socket Weld |
| Surface Finish | Machined, Pickled, Polished or Anti-Rust Coated |
| Manufacturing | Forged & CNC Machined |
Size & Weight Chart
Socket Weld Flanges are manufactured in accordance with ASME B16.5 and ASME B16.47 standards and are available in various nominal pipe sizes, pressure classes, and facing types.
| Nominal Pipe Size (NB) | Pressure Class | Outside Diameter (mm) | Thickness (mm) | Approx. Weight (kg) |
|---|---|---|---|---|
| ½" | 150 | 90 | 11 | 0.60 |
| ¾" | 150 | 100 | 12 | 0.80 |
| 1" | 150 | 108 | 14 | 1.10 |
| 1½" | 150 | 127 | 16 | 1.80 |
| 2" | 150 | 152 | 19 | 2.80 |
| 3" | 150 | 191 | 24 | 5.10 |
| 4" | 150 | 229 | 24 | 7.70 |
| 6" | 150 | 279 | 27 | 13.20 |
| 8" | 150 | 343 | 30 | 21.20 |
| 10" | 150 | 406 | 32 | 32.80 |
| 12" | 150 | 483 | 35 | 48.90 |
| 16" | 150 | 597 | 38 | 81.20 |
| 20" | 150 | 711 | 43 | 131.00 |
| 24" | 150 | 813 | 48 | 193.50 |
Note: Dimensions and weights are approximate and may vary depending on the pressure class (Class 150–2500), facing type (RF, RTJ, FF), material grade, and ASME B16.5/B16.47 requirements. Custom sizes and pressure classes are available upon request.
Grades & Equivalent
Stainless Steel Grades
304 / 304L, 316 / 316L
Carbon & Alloy Steel
Carbon Steel ASTM A105, LF2
Alloy Steel ASTM A182
F11/F22/F91
Duplex & Super Duplex
UNS S31803 / S32205
UNS S32750 / S32760
High-Performance Alloys
Inconel®, Monel®, Hastelloy®, Titanium Grade 2
Applications
Socket Weld Flanges are widely used in:
Oil & Gas Pipelines
Petrochemical Plants
Chemical Processing Industries
Power Generation Plants
Water & Wastewater Treatment
Refineries
Marine & Offshore Applications
Pharmaceutical Industry
Food & Beverage Processing
Features & Advantages
Secure socket weld connection
Excellent strength for high-pressure applications
Easy pipe alignment during installation
Superior corrosion and oxidation resistance
High mechanical strength and durability
Leak-resistant and reliable performance
Suitable for small-diameter piping systems
Long service life with minimal maintenance
Manufactured according to international quality standards
Mechanical Properties
The mechanical properties of Socket Weld Flanges depend on the selected material grade and comply with applicable ASTM and ASME standards. The table below shows the typical mechanical properties for commonly supplied stainless steel grades.
| Property | SS 304 / 304L | SS 316 / 316L |
|---|---|---|
| Tensile Strength (MPa) | 515 Min | 515 Min |
| Yield Strength (MPa) | 205 Min | 205 Min |
| Elongation (%) | 40 Min | 40 Min |
| Hardness (HB Max) | 201 | 217 |
Note: Mechanical properties for Carbon Steel, Alloy Steel, Duplex, Super Duplex, Nickel Alloy, and Titanium Socket Weld Flanges are available in accordance with their respective ASTM/ASME material specifications upon request.
Why Choose Moksh Tubes & Fittings LLP?
Frequently Asked Questions (FAQ)
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Looking for a trusted Socket Weld Flanges manufacturer and supplier? Contact Moksh Tubes & Fittings LLP for premium-quality forged socket weld flanges, competitive pricing, ready stock, technical support, and fast worldwide delivery. Request your free quotation today.
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