The A105 Flanges by Gopal Forge Industries™ is designed to provide smooth directional flow in piping systems where space is limited and precision is critical. Engineered for durability and performance, this fitting is widely used across industries such as oil & gas, petrochemical plants, power generation, and construction projects. Its compact radius allows efficient flow redirection while maintaining system integrity under demanding conditions.
Gopal Forge Industries™ manufactures A105 Flanges for demanding industrial piping applications where strength, dimensional accuracy, and dependable service performance are important. ASTM A105 carbon steel is widely selected for forged components used in pressure-containing systems because of its robust mechanical properties and suitability for elevated-temperature service. Our A105 Flanges are produced for applications involving process piping, refineries, petrochemical facilities, power plants, and general engineering projects. Depending on project requirements, flange configurations can include weld neck, slip-on, blind, socket weld, threaded, and lap joint designs. Careful control of forging, machining, dimensions, marking, and inspection helps ensure that the finished flange integrates correctly with associated pipe fittings and valves.
As A105 Flanges exporters, Gopal Forge Industries™ serves project requirements where consistent documentation, secure packaging, and dependable product identification are essential. These carbon steel forged flanges are suitable for international piping projects requiring standardized dimensions and reliable connection performance. Export orders can be prepared according to applicable ASTM, ASME, ANSI, and project-specific requirements, subject to the agreed specification. Applications may include oil and gas processing, petrochemical plants, chemical installations, power generation, and industrial fabrication. Proper surface protection and packaging are particularly important during transportation because they help preserve machined faces, bore areas, markings, and overall product condition until installation at the project site.
Gopal Forge Industries™ supplies A105 Flanges for contractors, fabricators, EPC projects, maintenance teams, and industrial procurement requirements. Selection generally depends on nominal size, pressure class, flange type, facing, bore dimensions, wall thickness, and applicable dimensional standards. A correctly specified A105 flange can provide a practical bolted connection between piping components while supporting maintenance and equipment-access requirements. These flanges can be integrated with carbon steel piping systems and compatible pipe fittings, valves, gaskets, and fasteners. For specialized installations, customers can discuss dimensional drawings, material requirements, inspection needs, testing requirements, and documentation before order confirmation, helping reduce specification mismatches during fabrication or site installation.
For projects requiring readily available carbon steel flange solutions, Gopal Forge Industries™ supports A105 Flanges stockists with products selected around common industrial dimensions and application requirements. Availability can vary according to size, class, flange configuration, facing, and current production or inventory schedules. A105 forged flanges are commonly considered for utility lines, pressure piping, process plants, refineries, and engineering systems where a robust bolted connection is required. Proper flange selection should always account for operating pressure, temperature, fluid service, mating components, gasket selection, and applicable engineering standards. This approach helps ensure that the selected flange performs as intended throughout the service life of the piping assembly.
| Product Name | ASTM A105 Flanges |
|---|---|
| Technical Description | Forged carbon steel flanges manufactured for pressure piping, process piping, valves, pumps and other pressure-containing applications. |
| Material | Carbon Steel |
| Material Grade | ASTM A105 / ASME SA105 |
| Manufacturing Process | Forged |
| Available Sizes | NPS 1/2" to 24" as per ASME B16.5; larger sizes available as per ASME B16.47 |
| Flange Types | Weld Neck, Slip-On, Blind, Socket Weld, Threaded, Lap Joint, Orifice and Customized Flanges |
| Facing Types | Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ) |
| Pressure Classes | Class 150, Class 300, Class 400, Class 600, Class 900, Class 1500 and Class 2500 |
| Standards |
ASTM A105 / ASME SA105 ASME B16.5 – Pipe Flanges and Flanged Fittings ASME B16.47 – Large Diameter Steel Flanges ASTM A961 / ASME SA961 – Common Requirements for Steel Flanges, Forged Fittings and Valves |
| Dimensions | ASME B16.5 and ASME B16.47, as applicable |
| Heat Treatment | As specified by ASTM A105/A105M and applicable purchase requirements |
| Technical Requirements | Chemical composition, mechanical properties, hardness, dimensional tolerances, testing and marking as per applicable ASTM/ASME standards |
| Tensile Strength | Min. 485 MPa (70 ksi) |
| Yield Strength | Min. 250 MPa (36 ksi) |
| Elongation | Min. 30% |
| Reduction of Area | Min. 30% |
| Hardness | Max. 187 HB |
| Applications | Oil & Gas, Petrochemical, Refineries, Chemical Processing, Power Generation, Water Treatment, Steam Lines, Process Piping and General Industrial Piping |
| Grade | C | Mn | Si | P | S | Cu | Ni | Cr | Mo | V |
|---|---|---|---|---|---|---|---|---|---|---|
| ASTM A105 | 0.35% Max | 0.60 - 1.05% | 0.10 - 0.35% | 0.035% Max | 0.040% Max | 0.40% Max | 0.40% Max | 0.30% Max | 0.12% Max | 0.08% Max |
| Grade | Tensile Strength | Yield Strength (0.2% Offset) | Elongation | Reduction of Area | Hardness |
|---|---|---|---|---|---|
| ASTM A105 | Min. 485 MPa (70 ksi) | Min. 250 MPa (36 ksi) | Min. 30% | Min. 30% | Max. 187 HB |
Explore our complete range of products, specifications, materials, manufacturing capabilities and technical information in our latest product catalogue.
| Related Product | Material / Standard | Common Types |
|---|---|---|
| Carbon Steel Flanges | ASTM A105 / ASME SA105 | Weld Neck, Slip-On, Blind, Socket Weld, Threaded |
| Stainless Steel Flanges | ASTM A182 / ASME SA182 | Weld Neck, Slip-On, Blind, Socket Weld, Threaded |
| Alloy Steel Flanges | ASTM A182 / ASME SA182 | Weld Neck, Slip-On, Blind, Socket Weld |
| Carbon Steel Forged Fittings | ASTM A105 / ASME SA105 | Elbow, Tee, Coupling, Union, Cross, Cap |
| Butt Weld Fittings | ASTM A234 / ASME SA234 | Elbow, Tee, Reducer, Cross, Cap, Stub End |
| Carbon Steel Pipe Fittings | ASTM A234 WPB | Elbow, Tee, Reducer, Cross, End Cap |
| Forged Steel Valves | ASTM A105 / ASME B16.34 | Gate, Globe, Check and Ball Valves |
| Spectacle Blinds | Carbon Steel / Stainless Steel | Figure-8, Spectacle Blind, Paddle Blind |
| Orifice Flanges | ASTM A105 / ASME B16.36 | Weld Neck, Slip-On, Threaded |
| Ring Type Joint Flanges | ASTM A105 / ASME B16.5 | Weld Neck, Blind, Slip-On |
The latest A105 Flanges market price varies according to nominal diameter, pressure class, flange type, facing, machining requirements, order quantity, testing, certification, and prevailing carbon steel raw-material conditions. Standard configurations are generally more economical than customized or low-volume requirements, while larger sizes and higher pressure classes typically carry a higher industrial cost. Gopal Forge Industries™ can provide a project-specific commercial quotation based on the required specification, quantity, documentation, inspection requirements, and delivery schedule rather than relying on a generic price indication.
