Alloy 20 Socket Weld Coupling
| Specification | Details |
|---|---|
| Product Name | Alloy 20 Socket Weld Coupling |
| Material Grade | Alloy 20 / Carpenter 20 |
| UNS Designation | UNS N08020 |
| Werkstoff Number | W.Nr. 2.4660 |
| Material Type | Nickel-Iron-Chromium Alloy with Molybdenum and Copper |
| Chemical Composition | Nickel approximately 32–38%, Chromium approximately 19–21%, Molybdenum approximately 2–3%, Copper approximately 3–4%, Iron Balance, with controlled carbon, manganese, silicon and niobium |
| Fitting Type | Socket Weld Coupling |
| Coupling Type | Full Coupling / Reducing Coupling |
| Manufacturing Type | Forged / Hot Forged / Precision Machined |
| Fitting Standard | ASTM B462 / ASME SB462, as applicable |
| Dimensional Standard | ASME B16.11 |
| Size | 1/8″ to 4″ NPS or As per Customer Requirement |
| Pressure Class | Class 3000 / 6000 / 9000, as applicable |
| Connection Type | Socket Weld |
| End Connection | Socket Weld |
| Surface Finish | Bright / Pickled / Machined / Polished / As Specified |
| Heat Treatment | Solution Annealed / As per Applicable Material Specification |
| Dimensions | As per ASME B16.11 and Customer Requirements |
| MTC | EN 10204 3.1 / 3.2 |
| Testing | Chemical / Mechanical / Dimensional / Hardness / Visual / PMI and Other Tests as Required |
| Tensile Strength | As per Applicable Alloy 20 Material Specification and Condition |
| Yield Strength | As per Applicable Alloy 20 Material Specification and Condition |
| Elongation | As per Applicable Material Standard |
| Density | Approximately 8.08 g/cm³ |
| Melting Range | Approximately 1440–1460°C |
| Corrosion Resistance | Excellent resistance to general corrosion and aggressive chemical environments |
| Pitting Resistance | Good resistance to pitting and localized corrosion due to molybdenum content |
| Crevice Corrosion Resistance | Good resistance to crevice corrosion under suitable service conditions |
| Acid Resistance | Excellent resistance to sulfuric acid and good resistance to selected phosphoric and other acids |
| Chloride Resistance | Good resistance to chloride-containing environments |
| Stress-Corrosion Resistance | Excellent resistance to chloride-induced stress-corrosion cracking under suitable conditions |
| Intergranular Corrosion Resistance | Good resistance when supplied and processed according to applicable requirements |
| Welding | Suitable for socket-welded piping systems using appropriate welding procedures |
| Fabrication | Suitable for machining and specialized fabrication using appropriate procedures |
| Dimensional Accuracy | Precision dimensions according to ASME B16.11 and applicable requirements |
| Available Forms | Full Socket Weld Coupling / Reducing Socket Weld Coupling / Forged Socket Weld Coupling |
| Customization | Size, Coupling Type, Bore Dimensions, Pressure Class, Finish, Testing and Documentation |
| Inspection | Dimensional, Visual and Material Inspection as Required |
| Marking | Size, Grade, Standard, Class and Heat/Batch Identification as Applicable |
| Origin | European / American / Japanese / Korean and Other Approved Origins |
| Export Supply | Worldwide Alloy 20 Socket Weld Coupling Export Supply |
| Exporter Support | Technical Specifications, Inspection, Certification, Export Packing, Documentation and International Shipment Coordination |
| Applications | Chemical Processing, Sulfuric Acid Handling, Phosphoric Acid Processing, Pharmaceutical, Food Processing, Petrochemical, Marine, Heat Exchangers and Corrosive Process Piping |
1. Most Common Types of Alloy 20 Socket Weld Coupling
| Type | Details |
|---|---|
| Alloy 20 Full Socket Weld Coupling | Used to connect two pipes of the same nominal size with a compact socket weld connection. |
| Alloy 20 Reducing Socket Weld Coupling | Used to connect pipes of different nominal sizes in process and industrial piping systems. |
| Alloy 20 Forged Socket Weld Coupling | Forged construction provides good mechanical strength, durability and dimensional consistency. |
| Alloy 20 Precision Machined Coupling | Precision machining provides accurate socket dimensions for proper pipe fit-up and welding. |
| Alloy 20 Class 3000 Coupling | Suitable for piping systems requiring Class 3000 pressure-rated fittings. |
| Alloy 20 Class 6000 Coupling | Designed for higher-pressure applications requiring Class 6000 fittings. |
| Alloy 20 Class 9000 Coupling | Suitable for specialized high-pressure piping systems requiring Class 9000 fittings. |
| Customized Alloy 20 Socket Weld Coupling | Available according to customer drawings, bore dimensions, pressure class, finish, testing and documentation requirements. |
2. Alloy 20 Socket Weld Coupling – Technical Specifications
| Specification | Details |
|---|---|
| Product Name | Alloy 20 Socket Weld Coupling |
| Material Grade | Alloy 20 / Carpenter 20 |
| UNS Designation | UNS N08020 |
| Werkstoff Number | W.Nr. 2.4660 |
| Material Type | Nickel-Iron-Chromium Alloy with Molybdenum and Copper |
| Chemical Composition | Nickel approximately 32–38%, Chromium approximately 19–21%, Molybdenum approximately 2–3%, Copper approximately 3–4%, Iron Balance, with controlled carbon, manganese, silicon and niobium |
| Fitting Type | Socket Weld Coupling |
| Coupling Type | Full Coupling / Reducing Coupling |
| Manufacturing Type | Forged / Hot Forged / Precision Machined |
| Fitting Standard | ASTM B462 / ASME SB462, as applicable |
| Dimensional Standard | ASME B16.11 |
| Size | 1/8″ to 4″ NPS or As per Customer Requirement |
| Pressure Class | Class 3000 / 6000 / 9000, as applicable |
| Connection Type | Socket Weld |
| End Connection | Socket Weld |
| Surface Finish | Bright / Pickled / Machined / Polished / As Specified |
| Heat Treatment | Solution Annealed / As per Applicable Material Specification |
| Dimensions | As per ASME B16.11 and Customer Requirements |
| MTC | EN 10204 3.1 / 3.2 |
| Testing | Chemical / Mechanical / Dimensional / Hardness / Visual / PMI and Other Tests as Required |
| Tensile Strength | As per Applicable Alloy 20 Material Specification and Condition |
| Yield Strength | As per Applicable Alloy 20 Material Specification and Condition |
| Elongation | As per Applicable Material Standard |
| Density | Approximately 8.08 g/cm³ |
| Melting Range | Approximately 1440–1460°C |
| Corrosion Resistance | Excellent resistance to general corrosion and aggressive chemical environments |
| Pitting Resistance | Good resistance to pitting and localized corrosion due to molybdenum content |
| Crevice Corrosion Resistance | Good resistance to crevice corrosion under suitable service conditions |
| Acid Resistance | Excellent resistance to sulfuric acid and good resistance to selected phosphoric and other acids |
| Chloride Resistance | Good resistance to chloride-containing environments |
| Stress-Corrosion Resistance | Excellent resistance to chloride-induced stress-corrosion cracking under suitable conditions |
| Intergranular Corrosion Resistance | Good resistance when supplied and processed according to applicable requirements |
| Welding | Suitable for socket-welded piping systems using appropriate welding procedures |
| Fabrication | Suitable for machining and specialized fabrication using appropriate procedures |
| Dimensional Accuracy | Precision dimensions according to ASME B16.11 and applicable requirements |
| Available Forms | Full Socket Weld Coupling / Reducing Socket Weld Coupling / Forged Socket Weld Coupling |
| Customization | Size, Coupling Type, Bore Dimensions, Pressure Class, Finish, Testing and Documentation |
| Inspection | Dimensional, Visual and Material Inspection as Required |
| Marking | Size, Grade, Standard, Class and Heat/Batch Identification as Applicable |
| Origin | European / American / Japanese / Korean and Other Approved Origins |
| Export Supply | Worldwide Alloy 20 Socket Weld Coupling Export Supply |
| Exporter Support | Technical Specifications, Inspection, Certification, Export Packing, Documentation and International Shipment Coordination |
| Applications | Chemical Processing, Sulfuric Acid Handling, Phosphoric Acid Processing, Pharmaceutical, Food Processing, Petrochemical, Marine, Heat Exchangers and Corrosive Process Piping |
3. Alloy 20 Socket Weld Coupling – Supply & Quality Details
| Supply Parameter | Details |
|---|---|
| Material Identification | Alloy 20 / Carpenter 20 / UNS N08020 / W.Nr. 2.4660 |
| Coupling Configurations | Full Coupling / Reducing Coupling |
| Size Range | 1/8″ to 4″ NPS or As per Requirement |
| Pressure Classes | Class 3000 / 6000 / 9000 |
| Manufacturing | Forged / Hot Forged / Precision Machined |
| Connection | Socket Weld |
| Applicable Standards | ASME B16.11 / ASTM B462 / ASME SB462, as applicable |
| Surface Finish | Bright / Pickled / Machined / Polished / As Specified |
| Heat Treatment | Solution Annealed / As Required |
| Testing | Chemical / Mechanical / Dimensional / Visual / Hardness / PMI / Other Tests |
| Inspection | Dimensional, Visual and Material Inspection |
| Certification | EN 10204 3.1 / 3.2 |
| Marking | Size, Grade, Standard, Class and Heat/Batch Identification |
| Material Traceability | Heat Number and Batch Identification as Applicable |
| Customization | Size, Coupling Type, Bore Dimensions, Pressure Class, Finish, Testing and Documentation |
| Packaging | Export-Worthy Wooden Cases, Boxes, Pallets or Customized Packaging |
| Documentation | MTC, Inspection Reports, Test Certificates and Other Documents as Required |
| Origin | European / American / Japanese / Korean and Other Approved Origins |
| Export Supply | Worldwide Alloy 20 Socket Weld Coupling Supply |
| Applications | Chemical Processing, Sulfuric Acid Handling, Phosphoric Acid Processing, Pharmaceutical, Food Processing, Petrochemical, Marine and Corrosive Process Piping |
Most Common Types Of Alloy 20 Socket Weld Coupling
| Type | Details |
|---|---|
| Alloy 20 Full Socket Weld Coupling | Used to connect two pipes of the same nominal size with a compact socket weld connection. |
| Alloy 20 Reducing Socket Weld Coupling | Used to connect pipes of different nominal sizes in chemical and industrial piping systems. |
| Alloy 20 Forged Socket Weld Coupling | Forged construction provides good mechanical strength, durability and dimensional consistency. |
| Alloy 20 Precision Machined Coupling | Precision machining provides accurate socket dimensions for proper pipe fit-up and reliable welding. |
| Alloy 20 Class 3000 Socket Weld Coupling | Suitable for piping systems requiring Class 3000 pressure-rated fittings. |
| Alloy 20 Class 6000 Socket Weld Coupling | Designed for higher-pressure applications requiring Class 6000 fittings. |
| Alloy 20 Class 9000 Socket Weld Coupling | Suitable for specialized high-pressure piping systems requiring Class 9000 fittings. |
| Customized Alloy 20 Socket Weld Coupling | Available according to customer drawings, bore dimensions, pressure class, surface finish, testing and documentation requirements. |
Why Should You Buy Alloy 20 Socket Weld Couplings from MetalX Nickel & Alloys?
- Experienced Alloy 20 Socket Weld Coupling Supplier & Exporter serving international buyers, distributors, EPC contractors, stockholders, traders and industrial end users.
- 20+ Years of Nickel Alloy Industry Experience in supplying corrosion-resistant, high-performance and specialty alloy products across the UAE, Saudi Arabia, Qatar, Oman, Kuwait, Bahrain, Africa, Europe, Asia and other global markets.
- Specialized Alloy 20 Socket Weld Coupling Exporter offering Alloy 20 / Carpenter 20 / UNS N08020 / W.Nr. 2.4660 Socket Weld Couplings according to applicable international standards and customer requirements.
- Global Alloy 20 Sourcing Network with access to reputed alloy mills, manufacturers, authorized suppliers and approved stockholders across the USA, Europe, Japan, South Korea and other major international supply markets.
- Reliable Alloy 20 Socket Weld Coupling Supplier providing nickel-iron-chromium alloy fittings with molybdenum and copper for applications requiring excellent resistance to sulfuric acid, general corrosion, pitting, crevice corrosion, chloride environments and stress-corrosion cracking.
- Wide Specialty Alloy Fittings Range including Alloy 20 Socket Weld Elbows, Alloy 20 Socket Weld Tees, Alloy 20 Socket Weld Couplings, Alloy 20 Socket Weld Unions, Alloy 20 Socket Weld Crosses, Alloy 20 Socket Weld Caps, Nickel 200 Socket Weld Fittings, Incoloy Socket Weld Fittings, Inconel Socket Weld Fittings and Hastelloy Socket Weld Fittings.
- Full & Reducing Coupling Supply – Available in Full Socket Weld Couplings and Reducing Socket Weld Couplings for different pipe connection requirements.
They are commonly used in chemical processing, petrochemical plants, power generation, heat-treatment equipment, industrial furnaces, heat exchangers, thermal processing systems and high-temperature process piping .
| Key Feature | Details |
|---|---|
| Excellent Corrosion Resistance | Provides excellent resistance to general corrosion and aggressive chemical environments. |
| Sulfuric Acid Resistance | Particularly suitable for applications involving sulfuric acid under appropriate service conditions. |
| Pitting Resistance | Offers good resistance to pitting and localized corrosion. |
| Crevice Corrosion Resistance | Provides good resistance to crevice corrosion under suitable operating conditions. |
| Socket Weld Connection | Provides a strong and compact welded connection for suitable piping systems. |
| Full & Reducing Options | Available in full and reducing coupling configurations for different pipe connection requirements. |
| Forged Construction | Forged manufacturing supports mechanical strength, durability and dimensional consistency. |
| Precision Machining | Accurate socket dimensions support proper pipe insertion, alignment and welding. |
| Multiple Pressure Classes | Available in Class 3000, 6000 and 9000 configurations, subject to size and applicable standards. |
| Chemical Processing Suitability | Suitable for demanding chemical, pharmaceutical, petrochemical and corrosive process applications. |
| Good Mechanical Performance | Provides reliable mechanical strength and structural stability under suitable service conditions. |
| Custom Manufacturing | Size, coupling type, bore dimensions, pressure class, finish, testing and documentation can be customized. |
| Inspection & Certification | Chemical, mechanical, dimensional, visual, hardness and PMI testing can be arranged as required. |
| Material Traceability | Grade, heat/batch identification and applicable material certification can be provided. |
| Export-Ready Supply | Suitable packaging and documentation can be arranged for domestic and international industrial projects. |
| Specification | Details |
|---|---|
| Product Name | Alloy 20 Socket Weld Coupling |
| Material Grade | Alloy 20 / Carpenter 20 |
| Material Type | Nickel-Iron-Chromium Alloy with Molybdenum and Copper |
| UNS Designation | UNS N08020 |
| Werkstoff Number | W.Nr. 2.4660 |
| Common Grade | Alloy 20 |
| Connection Type | Socket Weld |
| Fitting Type | Socket Weld Coupling |
| Coupling Type | Full Coupling / Reducing Coupling |
| Manufacturing Type | Forged / Hot Forged / Precision Machined |
| Fitting Standard | ASTM B462 / ASME SB462, as applicable |
| Dimensional Standard | ASME B16.11 |
| Size Range | As per Requirement and Applicable Standard |
| Pressure Class | Class 3000 / 6000 / 9000, as applicable |
| End Connection | Socket Weld |
| Surface Finish | Machined / Pickled / Polished / Suitable Industrial Finish |
| Heat Treatment | Solution Annealed / As per Applicable Material Specification |
| Dimensions | As per ASME B16.11 and Customer Requirements |
| MTC | EN 10204 3.1 / 3.2, as required |
| Testing | Chemical / Mechanical / Dimensional / Visual / Hardness / PMI and Other Tests as Required |
| Tensile Strength | As per Applicable Alloy 20 Material Specification and Condition |
| Yield Strength | As per Applicable Alloy 20 Material Specification and Condition |
| Elongation | As per Applicable Material Standard |
| Density | Approximately 8.08 g/cm³ |
| Melting Range | Approximately 1440–1460°C |
| Corrosion Resistance | Excellent resistance to general corrosion and aggressive chemical environments |
| Pitting Resistance | Good resistance to pitting and localized corrosion |
| Crevice Corrosion Resistance | Good resistance to crevice corrosion under suitable service conditions |
| Acid Resistance | Excellent resistance to sulfuric acid and good resistance to selected phosphoric and other acids |
| Chloride Resistance | Good resistance to chloride-containing environments |
| Stress-Corrosion Resistance | Excellent resistance to chloride-induced stress-corrosion cracking under suitable conditions |
| Intergranular Corrosion Resistance | Good resistance when supplied and processed according to applicable requirements |
| Welding | Suitable for socket-welded piping systems using appropriate welding procedures |
| Fabrication | Suitable for machining and specialized fabrication using appropriate procedures |
| Dimensional Accuracy | Precision dimensions according to ASME B16.11 and applicable requirements |
| Available Forms | Full Socket Weld Coupling / Reducing Socket Weld Coupling / Forged Socket Weld Coupling |
| Customization | Size, Coupling Type, Bore Dimensions, Pressure Class, Finish, Testing and Documentation |
| Inspection | Dimensional, Visual and Material Inspection as Required |
| Marking | Size, Grade, Standard, Class and Heat/Batch Identification as Applicable |
| Origin | European / American / Japanese / Korean and Other Approved Origins |
| Export Supply | Worldwide Alloy 20 Socket Weld Coupling Export Supply |
| Exporter Support | Technical Specifications, Inspection, Certification, Export Packing, Documentation and International Shipment Coordination |
| Applications | Chemical Processing, Sulfuric Acid Handling, Phosphoric Acid Processing, Pharmaceutical, Food Processing, Petrochemical, Marine, Heat Exchangers and Corrosive Process Piping |
1. What is an Alloy 20 Socket Weld Coupling?
An Alloy 20 Socket Weld Coupling is a forged pipe fitting used to connect two pipes through socket weld connections. It provides a compact and strong connection for industrial piping systems.
2. What material is used for Alloy 20 Socket Weld Couplings?
These couplings are manufactured from Alloy 20 / Carpenter 20 , a nickel-iron-chromium alloy containing molybdenum and copper. The standard designation is UNS N08020 .
3. What types of Alloy 20 Socket Weld Couplings are available?
Common types include Full Socket Weld Couplings, Reducing Socket Weld Couplings, Forged Socket Weld Couplings and Precision Machined Couplings . Customized configurations can also be supplied according to project requirements.
4. Which sizes and pressure classes are available?
Alloy 20 Socket Weld Couplings can be supplied in sizes according to the applicable standard and customer requirements. Common pressure classes include Class 3000, Class 6000 and Class 9000 , subject to size and specification.
5. Which standards apply to Alloy 20 Socket Weld Couplings?
The dimensional requirements are generally based on ASME B16.11 , while applicable material requirements can be supplied according to ASTM B462 / ASME SB462 .
6. Where are Alloy 20 Socket Weld Couplings used?
They are commonly used in chemical processing, sulfuric acid handling, pharmaceutical manufacturing, food processing, petrochemical facilities, marine systems, heat exchangers and corrosive process piping where corrosion resistance is important.