Threaded Flanges
| Specification | Details |
|---|---|
| Product Name | Threaded Flanges |
| Material Grade | Carbon Steel / Stainless Steel / Alloy Steel / Nickel Alloys / Titanium / Duplex Stainless Steel, as applicable |
| Material Type | Forged Metallic Flange |
| Manufacturing Type | Forged / Hot Forged / Precision Machined |
| Flange Standard | ASME B16.5 / ASME B16.47 and other applicable standards |
| Material Standards | ASTM / ASME / EN / DIN / JIS and other applicable specifications |
| Size | 1/2″ to 24″ or As per Customer Requirement |
| Pressure Class | Class 150 / 300 / 600 / 900 / 1500 / 2500, as applicable |
| Connection Type | Threaded Flanged Connection |
| Facing Type | Raised Face / Flat Face / Ring Type Joint, as applicable |
| Bore Type | Standard Bore / Heavy Bore / Customized Bore |
| Thread Type | Internal Pipe Thread / As per Applicable Standard |
| Surface Finish | Machined / Polished / As Specified |
| Dimensions | As per ASME B16.5 / ASME B16.47 and Customer Requirements |
| Heat Treatment | As per Applicable Material Specification |
| MTC | EN 10204 3.1 / 3.2 |
| Testing | Chemical / Mechanical / Dimensional / Hardness / Visual / PMI and Other Tests as Required |
| Tensile Strength | As per Applicable Material Specification and Grade |
| Yield Strength | As per Applicable Material Specification and Grade |
| Elongation | As per Applicable Material Standard |
| Corrosion Resistance | Depends on the selected material grade and service environment |
| High-Temperature Performance | Depends on material grade and applicable service limits |
| Welding | Generally installed without welding to the pipe, subject to application and design requirements |
| Fabrication | Suitable for precision machining and fabrication using grade-specific procedures |
| Dimensional Accuracy | Precision dimensions according to applicable flange standards |
| Customization | Size / Material Grade / Pressure Class / Facing / Bore / Thread / Dimensions / Finish / Testing and Documentation |
| Inspection | Dimensional / Visual and Material Inspection as Required |
| Marking | Size / Grade / Standard / Class / Facing and Heat/Batch Identification as Applicable |
| Origin | European / American / Japanese / Korean and Other Approved Origins |
| Export Supply | Worldwide Threaded Flanges Export Supply |
| Exporter Support | Technical Specifications / Inspection / Certification / Export Packing / Documentation and International Shipment Coordination |
| Applications | Oil & Gas / Petrochemical / Chemical Processing / Power Generation / Marine / Water Treatment / Heat Exchangers and Industrial Process Piping |
1. Most Common Types of Threaded Flanges
| Type | Details |
|---|---|
| Standard Threaded Flanges | Designed with internal threads that connect directly to externally threaded pipes without requiring pipe welding. |
| Raised Face Threaded Flanges | Features a raised sealing surface for use with suitable gaskets in standard piping connections. |
| Flat Face Threaded Flanges | Provides a flat sealing surface for applications requiring a flat-face configuration. |
| Ring Type Joint Threaded Flanges | Features an RTJ groove for suitable high-integrity gasketed connections in demanding services. |
| Stainless Steel Threaded Flanges | Suitable for applications requiring corrosion resistance and reliable mechanical performance. |
| Carbon Steel Threaded Flanges | Commonly used in general industrial, oil & gas and process piping applications where threaded connections are suitable. |
| Alloy Steel Threaded Flanges | Used for applications requiring enhanced mechanical strength and suitable elevated-temperature performance. |
| Duplex Threaded Flanges | Offers high mechanical strength and good resistance to chloride corrosion, pitting and stress-corrosion cracking. |
| Super Duplex Threaded Flanges | Suitable for highly corrosive environments requiring enhanced localized corrosion resistance. |
| Nickel Alloy Threaded Flanges | Used in demanding chemical and corrosive applications requiring specialized nickel alloy performance. |
| Titanium Threaded Flanges | Suitable for applications requiring lightweight construction and excellent corrosion resistance. |
| Customized Threaded Flanges | Manufactured according to customer drawings, material grade, size, pressure class, thread, facing, dimensions and testing requirements. |
2. Threaded Flanges – Technical Specifications
| Specification | Details |
|---|---|
| Product Name | Threaded Flanges |
| Material Grade | Carbon Steel / Stainless Steel / Alloy Steel / Nickel Alloys / Titanium / Duplex Stainless Steel, as applicable |
| Material Type | Forged Metallic Flange |
| Manufacturing Type | Forged / Hot Forged / Precision Machined |
| Flange Standard | ASME B16.5 / ASME B16.47 and other applicable standards |
| Material Standards | ASTM / ASME / EN / DIN / JIS and other applicable specifications |
| Size | 1/2″ to 24″ or As per Customer Requirement |
| Pressure Class | Class 150 / 300 / 600 / 900 / 1500 / 2500, as applicable |
| Connection Type | Threaded Flanged Connection |
| Facing Type | Raised Face / Flat Face / Ring Type Joint, as applicable |
| Bore Type | Standard Bore / Heavy Bore / Customized Bore |
| Thread Type | Internal Pipe Thread / As per Applicable Standard |
| Surface Finish | Machined / Polished / As Specified |
| Dimensions | As per ASME B16.5 / ASME B16.47 and Customer Requirements |
| Heat Treatment | As per Applicable Material Specification |
| MTC | EN 10204 3.1 / 3.2 |
| Testing | Chemical / Mechanical / Dimensional / Hardness / Visual / PMI and Other Tests as Required |
| Tensile Strength | As per Applicable Material Specification and Grade |
| Yield Strength | As per Applicable Material Specification and Grade |
| Elongation | As per Applicable Material Standard |
| Corrosion Resistance | Depends on the selected material grade and service environment |
| High-Temperature Performance | Depends on material grade and applicable service limits |
| Welding | Generally installed without welding to the pipe, subject to application and design requirements |
| Fabrication | Suitable for precision machining and fabrication using grade-specific procedures |
| Dimensional Accuracy | Precision dimensions according to applicable flange standards |
| Customization | Size / Material Grade / Pressure Class / Facing / Bore / Thread / Dimensions / Finish / Testing and Documentation |
| Inspection | Dimensional / Visual and Material Inspection as Required |
| Marking | Size / Grade / Standard / Class / Facing and Heat/Batch Identification as Applicable |
| Origin | European / American / Japanese / Korean and Other Approved Origins |
| Export Supply | Worldwide Threaded Flanges Export Supply |
| Exporter Support | Technical Specifications / Inspection / Certification / Export Packing / Documentation and International Shipment Coordination |
| Applications | Oil & Gas / Petrochemical / Chemical Processing / Power Generation / Marine / Water Treatment / Heat Exchangers and Industrial Process Piping |
3. Threaded Flanges – Supply & Quality Details
| Parameter | Details |
|---|---|
| Material Identification | As per Selected Material Grade and Applicable Specification |
| Flange Configuration | Standard Threaded / Customized Threaded Flanges |
| Size Range | 1/2″ to 24″ or As per Requirement |
| Pressure Classes | Class 150 / 300 / 600 / 900 / 1500 / 2500 |
| Applicable Standards | ASME B16.5 / ASME B16.47 and applicable ASTM, ASME, EN, DIN or JIS specifications |
| Thread Configuration | Internal Pipe Thread as per Applicable Standard |
| Facing Options | Raised Face / Flat Face / Ring Type Joint |
| Bore Options | Standard Bore / Heavy Bore / Customized Bore |
| Surface Finish | Machined / Polished / As Specified |
| Heat Treatment | As per Applicable Material Specification |
| Testing | Chemical / Mechanical / Dimensional / Hardness / Visual / PMI / Other Tests |
| Inspection | Dimensional / Visual and Material Inspection |
| Certification | EN 10204 3.1 / 3.2 |
| Marking | Size / Grade / Standard / Class / Facing and Heat/Batch Identification |
| Material Traceability | Heat Number and Batch Identification as Applicable |
| Customization | Material / Size / Pressure Class / Facing / Bore / Thread / Dimensions / Finish / Testing |
| Packaging | Export-Worthy Wooden Cases, Boxes, Pallets or Customized Packaging |
| Documentation | MTC / Inspection Reports / Test Certificates and Other Documents as Required |
| Export Supply | Worldwide Threaded Flanges Supply |
| Applications | Oil & Gas / Petrochemical / Chemical Processing / Power Generation / Marine / Water Treatment / Heat Exchangers and Industrial Process Piping |
Most Common Types Of Threaded Flanges
| Type | Details |
|---|---|
| Standard Threaded Flanges | Designed with internal threads that connect directly to externally threaded pipes, eliminating the need for welding in suitable applications. |
| Raised Face Threaded Flanges | Features a raised sealing surface for use with suitable gaskets in industrial piping and equipment connections. |
| Flat Face Threaded Flanges | Provides a flat sealing surface for piping systems requiring a flat-face configuration. |
| Ring Type Joint Threaded Flanges | Features an RTJ groove for suitable high-integrity gasketed connections in demanding pressure services. |
| Stainless Steel Threaded Flanges | Manufactured from stainless steel for applications requiring corrosion resistance and reliable mechanical performance. |
| Carbon Steel Threaded Flanges | Commonly used in general industrial, oil & gas, petrochemical and process piping where threaded connections are suitable. |
| Alloy Steel Threaded Flanges | Suitable for applications requiring enhanced mechanical strength and performance under elevated-temperature conditions. |
| Duplex Threaded Flanges | Offers high mechanical strength along with good resistance to chloride corrosion, pitting and stress-corrosion cracking. |
| Super Duplex Threaded Flanges | Suitable for highly corrosive environments requiring enhanced resistance to pitting, crevice and chloride corrosion. |
| Nickel Alloy Threaded Flanges | Used in chemical and corrosive services requiring specialized nickel alloy performance. |
| Titanium Threaded Flanges | Suitable for applications requiring lightweight construction and excellent corrosion resistance. |
| Customized Threaded Flanges | Manufactured according to customer drawings, material grade, size, pressure class, thread configuration, facing, dimensions and testing requirements. |
Why Should You Buy Weld Neck Flanges from Metalx Nickel & Alloys?
- Experienced Weld Neck Flanges Supplier & Exporter serving international buyers, importers, distributors, EPC contractors, stockholders, traders and industrial end users.
- 20+ Years of Flange & Alloy Industry Experience in supplying and exporting high-performance, corrosion-resistant and specialty alloy flanges to customers across the UAE, Saudi Arabia, Qatar, Oman, Kuwait, Bahrain, Africa, Europe, Asia and other global markets.
- Specialized Weld Neck Flanges Exporter offering Weld Neck Flanges in carbon steel, stainless steel, alloy steel, nickel alloys, titanium, duplex and other suitable materials according to applicable international standards and customer requirements.
- Global Weld Neck Flanges Sourcing Network with access to reputed mills, manufacturers, authorized suppliers and approved stockholders across the USA, Europe, Japan, South Korea and other major international supply markets.
- Reliable Weld Neck Flanges Supplier providing flanges for demanding piping systems requiring high structural strength, reliable butt-welded connections, good stress distribution, dimensional accuracy and dependable performance under suitable pressure and temperature conditions.
| Key Feature | Details |
|---|---|
| Weld-Free Installation | Internally threaded design allows connection with compatible threaded pipes without conventional pipe-to-flange welding. |
| Easy Installation | Suitable for applications where a threaded connection provides a convenient installation method. |
| Compact Design | Offers a practical connection arrangement for suitable smaller-diameter piping systems. |
| Multiple Thread Profiles | Available with NPT, BSP, BSPT and other thread profiles according to project requirements. |
| Wide Material Selection | Available in stainless steel, carbon steel, alloy steel, duplex, super duplex, nickel alloys and other special alloys. |
| Corrosion Resistance | Corrosion-resistant material grades can be selected for chemical, marine and other demanding environments. |
| Multiple Pressure Classes | Available in Class 150, 300, 600, 900, 1500 and 2500 configurations, subject to applicable standards. |
| Multiple Facing Options | Can be supplied with Raised Face (RF), Flat Face (FF) and Ring Type Joint (RTJ) configurations. |
| Precision Threads | Properly machined internal threads help provide compatibility with matching threaded pipe connections. |
| Dimensional Accuracy | Manufactured with attention to flange dimensions, thread profile, bolt-hole arrangement and facing requirements. |
| Custom Manufacturing | Special sizes, materials, pressure ratings, thread profiles, dimensions and finishes can be supplied. |
| International Standards | Manufactured according to applicable ASME, EN, DIN, BS and other recognized standards. |
| Maintenance Friendly | The threaded connection can be convenient for selected field and maintenance applications where welding is undesirable. |
| Industrial Applications | Suitable for chemical, petrochemical, oil & gas, pharmaceutical, water treatment and general industrial piping systems. |
| Specification | Details |
|---|---|
| Product Name | Threaded Flanges / Screwed Flanges |
| Size Range | Commonly 1/2″ to 24″, with larger sizes available as per requirement |
| Pressure Class | Class 150 / 300 / 600 / 900 / 1500 / 2500 |
| Standards | ASME B16.5 / ASME B16.47 / EN / DIN / BS and Other Applicable Standards |
| Facing | Raised Face (RF) / Flat Face (FF) / Ring Type Joint (RTJ) |
| Thread Type | NPT / BSP / BSPT and Other Thread Profiles as Required |
| Materials | Stainless Steel / Carbon Steel / Alloy Steel / Duplex / Super Duplex / Nickel Alloys and Special Alloys |
| Manufacturing | Forged / Machined as per Applicable Standard |
| Connection Type | Internally Threaded Connection |
| Thread Configuration | Precision-Machined Internal Threads for Compatible Threaded Pipe |
| Surface Finish | Machined / Smooth / As Required |
| Dimensions | As per Applicable Standard and Customer Requirement |
| Testing | Dimensional / Visual / Material and Other Tests as Required |
| Inspection | As per Applicable Standard, Project Specification or Customer Requirement |
| Documentation | Material Test Certificates and Inspection Documents as Required |
| Customization | Size / Material Grade / Pressure Class / Facing / Thread Profile / Dimensions / Finish |
| Applications | Piping / Process Plants / Chemical / Petrochemical / Oil & Gas / Water Treatment / Pharmaceutical / Industrial Systems |
1. What are Threaded Flanges?
Threaded Flanges, also known as Screwed Flanges, feature internally machined threads that connect with compatible externally threaded pipes. They are useful where a weld-free flange connection is preferred.
2. What materials are available for Threaded Flanges?
Threaded Flanges can be supplied in Stainless Steel, Carbon Steel, Alloy Steel, Duplex, Super Duplex, Nickel Alloys and other special alloys , depending on the application and project requirements.
3. What thread types are available for Threaded Flanges?
Common thread profiles include NPT, BSP and BSPT . Other thread configurations can be supplied according to the applicable piping standard and customer requirements.
4. What pressure classes are available for Threaded Flanges?
Threaded Flanges are commonly available in Class 150, 300, 600, 900, 1500 and 2500 , subject to the applicable standard, size, material and service conditions.
5. What facing options are available for Threaded Flanges?
Threaded Flanges can be supplied with Raised Face (RF), Flat Face (FF) and Ring Type Joint (RTJ) facing configurations, as required by the piping system.
6. Where are Threaded Flanges commonly used?
Threaded Flanges are commonly used in chemical processing, petrochemical, oil gas, water treatment, pharmaceutical, instrumentation, compressed air, utility and general industrial piping systems , particularly for suitable smaller-diameter piping applications.