ASME B16.5 Flanges are among the most widely used piping components in industrial applications where reliable connections, pressure integrity, and operational safety are essential. At Gopal Forge Industries, we manufacture high-quality ASME B16.5 Flanges designed to meet international standards and demanding project requirements across oil & gas, petrochemical, power generation, marine, and process industries.
Gopal Forge Industries is recognized among leading ASME B16.5 Flanges manufacturers delivering precision-engineered flange solutions for diverse industrial sectors. Our manufacturing process focuses on dimensional accuracy, material traceability, and consistent performance. Each flange is produced using premium-grade raw materials and undergoes stringent quality inspections to ensure compliance with global standards and customer specifications.
As experienced ASME B16.5 Flanges exporters, Gopal Forge Industries serves customers across Asia, Europe, the Middle East, Africa, and North America. We understand the importance of timely deliveries and international quality requirements. Our export-ready packaging, documentation support, and logistics expertise help clients receive reliable products without delays, making us a preferred partner for global industrial projects.
Gopal Forge Industries stands out as dependable ASME B16.5 Flanges suppliers offering a comprehensive range of flange types, pressure classes, and material grades. Our supply network supports EPC contractors, fabricators, refineries, and industrial plants with products tailored to specific operational requirements. Customers benefit from consistent availability, technical guidance, and responsive service throughout the procurement process.
As established ASME B16.5 Flanges stockists, we maintain ready inventory to support urgent project demands and maintenance shutdown requirements. Our stocked range includes weld neck flanges, slip-on flanges, blind flanges, threaded flanges, lap joint flanges, and socket weld flanges. This inventory-driven approach helps reduce lead times and ensures uninterrupted supply for critical industrial applications.
Among trusted ASME B16.5 Flanges manufacturers, Gopal Forge Industries continuously invests in advanced production technology and quality management systems. Our engineering expertise enables us to provide flange solutions suitable for high-pressure, high-temperature, and corrosive service environments. We work closely with clients to deliver products that enhance system reliability and operational efficiency.
Being professional ASME B16.5 Flanges suppliers, we support complete industrial piping requirements by offering compatible products such as pipe fittings, buttweld fittings, carbon steel elbow, stainless steel elbow, tees, reducers, forged fittings, valves, and industrial piping solutions. This allows customers to source multiple piping components from a single reliable supplier, simplifying project execution and procurement management.
| Technical Description | ASME B16.5 flanges are precision-engineered pipe connection components manufactured according to ASME standards. They are available in various face types, pressure classes, and material grades for use in demanding industrial applications such as oil & gas, petrochemical, power plants, chemical processing, and heavy engineering industries. |
|---|---|
| Available Sizes |
1/2″ (15 NB) to 24″ (600 NB) as per ASME B16.5. Larger sizes from 26″ (650 NB) to 48″ (1200 NB) available as per ASME B16.47 Series A & Series B standards. |
| Standards | ASME B16.5, ASME B16.47 Series A & B, ASME B16.48, ASME B16.36, MSS SP-44, API, ASTM, DIN, EN1092, BS, JIS, GOST, ISO, AWWA and other international flange standards. |
| Material Grades |
Carbon Steel: ASTM A105, A350 LF2 Stainless Steel: ASTM A182 F304, F304L, F316, F316L, F321, F347 Alloy Steel: ASTM A182 F5, F9, F11, F22 Duplex & Super Duplex: ASTM A182 F51, F53, F55 Other grades available as per customer requirements. |
| Pressure Ratings |
ASME Class 150, 300, 400, 600, 900, 1500 and 2500. Equivalent DIN pressure ratings: PN6, PN10, PN16, PN25, PN40, PN64 and higher as required. |
| Dimensions | Flanges and Flanged Fittings From NPS 1/2 through NPS 24 |
| Applications | High-pressure piping, oil & gas, petrochemical plants, refineries, power plants |
| JIS ASME B16.5 Pipe Flanges | 5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K |
| Coating | Oil Black Paint, Yellow Transparent, Anti-rust Paint, Zinc Plated, Cold and Hot Dip Galvanized |
| Most common types of ASME B16.5 | Threaded / forged / Plate / Screwed |
| UNI ASTM A182 SS ASME B16.5 Flange | 6Bar 10Bar 16Bar 25Bar 40Bar |
| EN ASME B16.5 Plate Flanges | 6Bar 10Bar 16Bar 25Bar 40Bar |
| Test Certificates | EN 10204/3.1B Raw Materials Certificate 100% Radiography Test Report Third Party Inspection Report, etc |
| Connect Type/ Flange Face Type | Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ), Large Male-Female (LMF), Small Male-Female (SMF), Lap-Joint Face (LJF), Small Tongue, Large Tongue & Groove, , Groove |
| Special design | As per your drawing
AS, ASME, BS, DIN and JIS |
| Production technique |
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| Equipment | Press machine, electric bevelling machine, Bending machine, Pushing Machine, Sand-blasting machine etc |
| Test | Direct-reading Spectrograph, UI trasonic flaw detector, Hydrostatic testing machine, X-ray detector, Magnetic particle detector |
| Origin | Indian / Japan / West Europe / Korean / USA |
| Manufacturer of ASME B16.47 Series A and B Flanges | ASME DIN, GOST, JIS, UNI, BS, AS2129, AWWA, EN, SABS, NFE etc. ASME B16.5: -BS Flange, ASME Flange, DIN Flange, EN1092-1 Flange, EN Flange, API 6A Flange, ASME Flange, UNI Flange, GB Flange, AWWA C207 Flange, JIS/ KS Flange, BS4504 Flange, GOST Flange, PSI Flange |
| ASME B16.5 Flange Uses & application |
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| Export to DIN86029 PN10 ASME B16.5 Flanges | Ireland, Singapore, Indonesia, Ukraine, Saudi Arabia, Spain, Canada, USA, Brazil, Thailand, Korea, Iran, India, Egypt, Oman, Dubai, Peru, etc |
| Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2, Test Certificates certifying NACE MR0103, NACE MR0175 | |
Explore our complete range of products, specifications, materials, manufacturing capabilities and technical information in our latest product catalogue.
| Product | Description | Available Materials |
|---|---|---|
| Weld Neck Flanges | Designed for high-pressure and high-temperature applications. | Stainless Steel, Carbon Steel, Alloy Steel |
| Slip On Flanges | Easy to install and suitable for low-pressure piping systems. | SS304, SS316, Carbon Steel |
| Blind Flanges | Used to seal the end of pipelines or pressure vessel openings. | Stainless Steel, Duplex, Nickel Alloy |
| Socket Weld Flanges | Ideal for small-diameter high-pressure pipelines. | Carbon Steel, Stainless Steel |
| Threaded Flanges | Installed without welding, suitable for low-pressure services. | SS304, SS316, Alloy Steel |
| Lap Joint Flanges | Used with stub ends where frequent dismantling is required. | Stainless Steel, Carbon Steel |
| Orifice Flanges | Designed for flow measurement and instrumentation systems. | Carbon Steel, Stainless Steel |
| Spectacle Blind Flanges | Provides a permanent method for isolating pipeline sections. | Carbon Steel, Stainless Steel, Duplex Steel |
| Long Weld Neck Flanges | Commonly used in pressure vessels and industrial process piping. | Alloy Steel, Stainless Steel |
| Ring Type Joint (RTJ) Flanges | Metal-to-metal sealing for high-pressure and critical services. | Carbon Steel, Alloy Steel, Stainless Steel |
The latest market pricing for ASME B16.5 Flanges depends on several factors including material grade, pressure class, flange type, size, machining requirements, and current raw material trends. Carbon steel ASME B16.5 Flanges generally offer economical solutions for standard industrial applications, while stainless steel and alloy steel variants command higher market values due to enhanced corrosion resistance and performance characteristics. For bulk orders, project requirements, and customized specifications, Gopal Forge Industries provides competitive pricing and tailored commercial quotations.
