DIPTI METAL INDUSTRIES
ASTM A182 F316 Stainless Steel Flanges: Global Manufacturer & Exporter
Dipti Metal Industries is a leading global manufacturer and exporter of ASTM A182 F316 Stainless Steel Flanges from Mumbai, India. F316 is an austenitic stainless steel, uniquely alloyed with molybdenum, which bestows superior resistance to pitting and crevice corrosion, especially in chloride-rich and acidic environments. It also offers excellent high-temperature strength and creep resistance. We supply a comprehensive range of F316 flange types, ensuring high quality and performance for critical applications in chemical processing, marine engineering, oil & gas, pharmaceutical, and power generation industries worldwide. The typical HS Code for these products is 7307.21.
Overview: Dipti Metal Industries' Expertise in ASTM A182 F316 Stainless Steel Flanges
Dipti Metal Industries stands as a globally recognized ASTM A182 F316 Flanges manufacturer and ASTM A182 F316 Flanges exporter of high-performance ASTM A182 F316 Stainless Steel Flanges, operating from our advanced facilities in Mumbai, India. ASTM A182 specifies forged or rolled alloy and stainless steel pipe flanges, forged fittings, and valves and parts for high-temperature service. Grade F316 is a chromium-nickel-molybdenum austenitic stainless steel, widely regarded for its enhanced corrosion resistance over 304/F304 grades, particularly in chloride-containing environments, reducing the risk of pitting and crevice corrosion.
Our commitment to quality ensures that all F316 flanges are manufactured and supplied in strict adherence to major international standards, including **ASTM A182 (forged F316), ASME B16.5 (Pipe Flanges and Flanged Fittings NPS 1/2 through NPS 24), ASME B16.47 (Large Diameter Steel Flanges NPS 26 through NPS 60), ASME B16.36 (Orifice Flanges), ASME B16.48 (Line Blanks), and EN 1092-1 (Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, PN designated)**. Every shipment is accompanied by comprehensive **EN 10204 3.1/3.2 Material Test Certificates (MTCs)**, guaranteeing full chemical and mechanical traceability. Dipti Metal is your reliable partner for F316 Stainless Steel Flange solutions, supporting complex and critical projects worldwide with unparalleled material integrity.
Key Features & Advanced Benefits of Our ASTM A182 F316 Stainless Steel Flanges
Dipti Metal Industries' ASTM A182 F316 Stainless Steel Flanges offer a distinct set of advantages, making them ideal for challenging industrial environments:
- Superior Pitting & Crevice Corrosion Resistance: The addition of 2-3% molybdenum significantly enhances F316's resistance to pitting and crevice corrosion, especially in chloride-rich environments like marine or coastal applications, and acidic chemical processes.
- Excellent High-Temperature Strength & Creep Resistance: F316 maintains good mechanical properties and exhibits superior resistance to creep (deformation under prolonged stress at high temperatures) compared to F304, making it suitable for elevated temperature service.
- Good Weldability: F316 can be readily welded using conventional fusion and resistance welding processes, contributing to ease of fabrication and reliable joint integrity. Post-weld annealing is often not required for non-critical applications.
- Suitable for Cryogenic Service: Like other austenitic stainless steels, F316 retains excellent strength and toughness at extremely low temperatures, making it suitable for cryogenic applications.
- Broad Corrosion Resistance: Offers good resistance to a wide range of corrosive media, including various acids (e.g., sulfuric, hydrochloric, acetic, formic, tartaric) and saline solutions, making it highly versatile for chemical and process industries.
- Enhanced Ductility & Formability: Despite its strength and hardness, F316 maintains good ductility, allowing for fabrication into complex flange geometries.
Our Product Forms & Dimensions for ASTM A182 F316 Stainless Steel Flanges
Dipti Metal Industries supplies a comprehensive range of ASTM A182 F316 Stainless Steel Flanges in various types and dimensions, all conforming to strict international standards to meet the demanding requirements of your projects.
ASTM A182 F316 Weld Neck Flanges
Description: Designed with a long tapered hub that can be butt-welded to a pipe, reducing stress concentration at the base of the flange. Ideal for high-pressure, high-temperature, or sub-zero applications where fluid flow is critical.
- Standards: ASME B16.5, ASME B16.47 Series A/B, EN 1092-1
- Size Range: NPS 1/2" to 60" (DN15 to DN1500)
- Pressure Class: 150# to 2500# (PN10 to PN400)
- Facing: Raised Face (RF), Ring Type Joint (RTJ)
ASTM A182 F316 Slip-On Flanges
Description: These flanges slip over the outside of the pipe and are then externally and internally fillet welded. They are easier to align than Weld Neck flanges and are preferred for lower pressure applications, especially where space is a constraint.
- Standards: ASME B16.5, EN 1092-1
- Size Range: NPS 1/2" to 24" (DN15 to DN600)
- Pressure Class: 150# to 600# (PN10 to PN100)
- Facing: Raised Face (RF), Flat Face (FF)
ASTM A182 F316 Blind Flanges
Description: Used to blank off the end of a piping system or a valve opening. They are suitable for high-pressure applications and provide easy access to the pipeline once removed. Commonly used for future expansions or inspection points.
- Standards: ASME B16.5, ASME B16.47 Series A/B, EN 1092-1
- Size Range: NPS 1/2" to 60" (DN15 to DN1500)
- Pressure Class: 150# to 2500# (PN10 to PN400)
- Facing: Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ)
ASTM A182 F316 Socket Weld Flanges
Description: Designed for small diameter, high-pressure piping systems where the pipe is inserted into a socket and fillet welded around the top. Provides good flow characteristics and is economical for smaller bore applications.
- Standards: ASME B16.5, EN 1092-1
- Size Range: NPS 1/2" to 4" (DN15 to DN100)
- Pressure Class: 150# to 2500# (PN10 to PN400)
- Facing: Raised Face (RF)
ASTM A182 F316 Threaded Flanges
Description: Also known as screwed flanges, these are threaded onto the pipe without welding. Suitable for low-pressure, non-cyclic applications where welding may be hazardous or impossible, often in utility services.
- Standards: ASME B16.5, EN 1092-1
- Size Range: NPS 1/2" to 4" (DN15 to DN100)
- Pressure Class: 150# to 2500# (PN10 to PN400)
- Facing: Raised Face (RF)
ASTM A182 F316 Lap Joint Flanges
Description: These flanges consist of two components: a stub end and a loose backing flange. The stub end is butt-welded to the pipe, and the flange is free to rotate, simplifying bolt hole alignment. Ideal for frequent dismantling for inspection or cleaning.
- Standards: ASME B16.5, EN 1092-1
- Size Range: NPS 1/2" to 24" (DN15 to DN600)
- Pressure Class: 150# to 600# (PN10 to PN100)
- Facing: Flat Face (FF) with a Stub End
ASTM A182 F316 Orifice Flanges
Description: Used with orifice meters to measure the flow rate of fluids in a pipeline. They have additional bolt holes or jack screws for easy installation and removal of orifice plates. Supplied in pairs with tapping points.
- Standards: ASME B16.36
- Size Range: NPS 1" to 24" (DN25 to DN600)
- Pressure Class: 300# to 2500#
- Facing: Raised Face (RF) or Ring Type Joint (RTJ)
ASTM A182 F316 Spectacle Blind Flanges
Description: A safety device consisting of a figure-eight shaped metal piece, half solid and half open. It can be rotated to either completely block flow (blind side) or allow full flow (open side) in a pipeline, primarily for isolation during maintenance.
- Standards: ASME B16.48
- Size Range: NPS 1/2" to 24" (DN15 to DN600)
- Pressure Class: 150# to 2500#
- Facing: Raised Face (RF) or Ring Type Joint (RTJ)
Other ASTM A182 F316 Flange Types
- Long Weld Neck Flanges: Similar to Weld Neck but with an extended neck, often used for vessels.
- Reducing Flanges: Combines a flange with a reducer, connecting pipes of different nominal sizes.
- Ring Type Joint (RTJ) Flanges: Feature a groove for a metal ring gasket, providing a strong, leak-proof seal for high-pressure, high-temperature service.
- Plate Flanges: Simple flat plates with bolt holes, typically used for low-pressure or non-critical applications.
Technical Specifications: ASTM A182 F316 Stainless Steel Flanges
Our ASTM A182 F316 Stainless Steel Flanges are manufactured and supplied to strict technical specifications, ensuring precise chemical composition and robust mechanical properties for reliable performance in demanding environments.
Chemical Composition (Weight % Max, unless otherwise stated)
| Element | Composition (%) |
|---|---|
| Carbon (C) | 0.08 max |
| Manganese (Mn) | 2.00 max |
| Phosphorus (P) | 0.045 max |
| Sulfur (S) | 0.030 max |
| Silicon (Si) | 1.00 max |
| Chromium (Cr) | 16.0 - 18.0 |
| Nickel (Ni) | 10.0 - 14.0 |
| Molybdenum (Mo) | 2.00 - 3.00 |
Note: Detailed specifications, including trace elements and specific analysis requirements, are available in the full ASTM A182 standard. All material test certificates (MTCs) conform to EN 10204 3.1/3.2.
Mechanical Properties (Minimum Requirements for Annealed F316)
| Property | Value |
|---|---|
| Tensile Strength | 515 MPa (75 ksi) min |
| Yield Strength (0.2% Offset) | 205 MPa (30 ksi) min |
| Elongation in 50 mm (2 in.) | 30% min |
| Hardness (Brinell) | 217 HB max |
| Hardness (Rockwell B) | 95 HRB max |
Note: Mechanical properties can vary based on product form and heat treatment. For exact values, refer to the specific ASTM A182 standard.
Equivalent Grades & International Cross-References for ASTM A182 F316
ASTM A182 F316 is a globally recognized and highly versatile austenitic stainless steel. Dipti Metal Industries ensures that our supplied materials conform to the requirements of F316 and its most common international equivalent designations, facilitating seamless integration into diverse global projects. These equivalents represent the same or very similar material chemistry and properties, making them largely interchangeable for many critical applications.
| Standard | Grade / Designation | Description |
|---|---|---|
| ASTM (American Society for Testing and Materials) | A182 F316 | Forged or rolled alloy and stainless steel pipe flanges, forged fittings, and valves and parts for high-temperature service (Primary Reference). Also commonly referred to as SS 316. |
| UNS (Unified Numbering System) | S31600 | Official UNS designation for 316 Stainless Steel. |
| EN (European Norm) | X5CrNiMo17-12-2 (1.4401) | Corresponds to EN 10222-5 (Forgings for pressure purposes) and EN 10088-3 (Stainless steels - Technical delivery conditions for semi-finished products, bars, rods, wire, sections and bright products). Considered the direct European equivalent. |
| JIS (Japanese Industrial Standards) | SUS F316 | Corresponds to JIS G3214 (Stainless steel forgings for pressure uses) and JIS G4303 (Stainless steel bars). Japanese equivalent for forged F316. |
| DIN (German Institute for Standardization) | 1.4401 (X5CrNiMo17-12-2) | German material number, identical to the EN designation, for the standard 316 composition. |
| BS (British Standards) | 316S31 | Older British Standard designation, now largely superseded by EN standards. |
| AFNOR (French Standards) | Z7CND17-11-02 | French Standard designation for Stainless Steel 316. |
| ISO (International Organization for Standardization) | ISO 2604-2 (Equivalent) | While ISO does not have a single 'F316' equivalent, the chemical composition aligns with several ISO standards for wrought stainless steel. ISO 15156-3 (for NACE) also references this composition. |
| GOST (State Standard of Russian Federation) | 03Kh17N14M3 (03Х17Н14М3) | Closest GOST equivalent, often referencing a low-carbon 316 (316L) with slightly higher molybdenum. For standard 316, 08Kh17N13M2 (08Х17Н13М2) is also cited. |
Note: While these grades are generally considered equivalent for many applications, always consult specific project requirements and applicable codes, as minor differences in chemical composition, heat treatment, or mechanical properties can exist between standards. Dipti Metal Industries provides full certifications to ensure compliance with the specified standard.
HS Code for ASTM A182 F316 Stainless Steel Flanges
For international trade and customs classification, the Harmonized System (HS) Code for Stainless Steel Flanges, including ASTM A182 F316, typically falls under:
- HS Code: 7307.21
- Description: Flanges of stainless steel.
Note: While this is the most common HS code, specific national customs regulations or the exact product characteristics (e.g., if combined with other materials) might lead to variations. Always verify with your customs broker or relevant authorities for precise classification for your specific shipment.
Extensive Industries & Applications for Dipti Metal Industries' F316 Flanges
Dipti Metal Industries' ASTM A182 F316 Stainless Steel Flanges are indispensable in a broad spectrum of critical industrial sectors and demanding high-corrosion environments. Their unique properties ensure reliable and long-lasting performance:
- Chemical & Petrochemical Processing: Widely used for piping systems handling aggressive chemicals, acids, and chlorides due to superior pitting and crevice corrosion resistance. Essential in reactors, heat exchangers, and process vessels.
- Oil & Gas Industry (Offshore & Onshore): For critical pipeline connections, wellhead equipment, and processing facilities, particularly in environments exposed to chlorides, sour gas (H₂S), and high pressures/temperatures.
- Marine & Shipbuilding: Essential for seawater piping systems, offshore platforms, and coastal facilities where resistance to saltwater corrosion and barnacle fouling is critical.
- Power Generation: Employed in power plant piping, condensers, and heat exchangers, especially those using seawater for cooling, or exposed to corrosive steam and chemical treatments.
- Pharmaceutical & Biotechnology: For high-purity process lines, bioreactors, and cleanroom applications where sterility, ease of cleaning, and resistance to various sanitizing agents are paramount.
- Food Processing & Beverage Industry: Used in equipment and piping for dairy, brewing, juice production, and other food-grade applications, benefiting from its hygiene, corrosion resistance, and ease of sterilization.
- Pulp & Paper Industry: For equipment handling corrosive chemicals used in bleaching and other paper manufacturing processes.
- Textile Industry: Components in dyeing and finishing equipment where resistance to aggressive chemicals and high temperatures is required.
The unparalleled corrosion resistance (especially to chlorides), high temperature strength, and reliability of ASTM A182 F316 Stainless Steel Flanges make them the preferred choice for ensuring safety, integrity, and longevity in these diverse and demanding global sectors.
Global Export Capabilities & Logistics from India for ASTM A182 F316 Stainless Steel Flanges
Dipti Metal Industries is a proud Worldwide Exporter and Global Supplier of ASTM A182 F316 Stainless Steel Flanges, supported by an extensive network of Dealers, Distributors, and Stockists. We ensure timely and compliant delivery of our premium products, manufactured in our facilities, to major industrial hubs across the globe, with a strong focus on critical industrial regions worldwide, solidifying our position as a top international manufacturing and trading partner.
Key Importing Regions & Global Reach
- Algeria: Algiers, Oran
- Angola: Luanda, Huambo
- Egypt: Cairo, Alexandria, Port Said
- Ghana: Accra, Kumasi
- Kenya: Nairobi, Mombasa
- Libya: Tripoli, Benghazi
- Morocco: Casablanca, Rabat
- Mozambique: Maputo, Beira
- Nigeria: Lagos, Port Harcourt, Abuja (Key for Oil & Gas, Chemical)
- Rwanda: Kigali, Rubavu
- South Africa: Johannesburg, Durban, Cape Town, Sasolburg (Key for Mining & Chemical)
- Tanzania: Dar es Salaam, Mwanza
- Tunisia: Tunis, Sfax
- Uganda: Kampala, Gulu
- Botswana, Burkina Faso, Burundi, Cabo Verde, Central African Republic, Chad, Comoros, Congo (Republic), Congo (DRC), Côte d’Ivoire, Djibouti, Equatorial Guinea, Eritrea, Eswatini, Ethiopia, Gabon, Gambia, Guinea, Guinea-Bissau, Lesotho, Liberia, Madagascar, Malawi, Mali, Mauritania, Mauritius, Namibia, Niger, São Tomé & Príncipe, Senegal, Seychelles, Sierra Leone, Somalia, South Sudan, Sudan, Togo, Zambia, Zimbabwe
- Argentina: Buenos Aires, Cordoba
- Bolivia: La Paz, Santa Cruz
- Brazil: São Paulo, Rio de Janeiro, Salvador (Key for Oil & Gas, Chemical)
- Canada: Calgary, Edmonton, Vancouver, Toronto, Montreal (Key for Oil & Gas, Marine)
- Chile: Santiago, Valparaíso
- Colombia: Bogota, Medellin
- Ecuador: Quito, Guayaquil
- Mexico: Mexico City, Monterrey, Guadalajara
- Panama: Panama City, Colón
- Peru: Lima, Arequipa
- USA: Houston, Los Angeles, New York, Chicago, New Orleans (Primary Market for Chemical, Marine, Oil & Gas)
- Uruguay: Montevideo
- Venezuela: Caracas, Maracaibo
- Antigua & Barbuda, Bahamas, Barbados, Belize, Costa Rica, Cuba, Dominica, Dominican Republic, El Salvador, Grenada, Guatemala, Guyana, Haiti, Honduras, Jamaica, Nicaragua, Paraguay, Saint Kitts & Nevis, Saint Lucia, Saint Vincent & the Grenadines, Suriname, Trinidad & Tobago
- Bahrain: Manama, Sitra
- Bangladesh: Dhaka, Chittagong
- China: Shanghai, Guangzhou, Tianjin, Shenzhen (Key for Chemical & Marine)
- Hong Kong: Hong Kong City
- India: Mumbai, Delhi, Chennai, Kolkata, Bangalore, Hyderabad (Local Markets - Major Industrial Demand)
- Indonesia: Jakarta, Surabaya, Balikpapan (Key for Oil & Gas, Marine)
- Iran: Tehran, Mashhad
- Iraq: Baghdad, Basra
- Japan: Tokyo, Osaka, Nagoya (Primary for Marine & Power Generation)
- Jordan: Amman, Irbid
- Kazakhstan: Nur-Sultan, Almaty
- Kuwait: Kuwait City, Ahmadi
- Lebanon: Beirut, Tripoli
- Malaysia: Kuala Lumpur, Johor Bahru, Port Klang
- Myanmar: Yangon, Mandalay
- Oman: Muscat, Sohar, Salalah
- Philippines: Manila, Cebu
- Qatar: Doha, Ras Laffan
- Saudi Arabia: Riyadh, Jeddah, Dammam, Al Khobar, Jubail (Key for Oil & Gas, Chemical)
- Singapore: Singapore City (Key for Marine & Industrial Logistics)
- South Korea: Seoul, Busan, Ulsan (Primary for Marine & Shipbuilding)
- Sri Lanka: Colombo, Kandy
- Taiwan: Taipei, Kaohsiung
- Thailand: Bangkok, Rayong, Laem Chabang
- Turkey: Istanbul, Izmir, Ankara
- UAE: Dubai, Abu Dhabi, Sharjah, Ajman, Ras Al Khaimah (Key for Oil & Gas, Chemical)
- Uzbekistan: Tashkent, Samarkand
- Vietnam: Ho Chi Minh City, Hanoi, Da Nang
- Afghanistan, Armenia, Azerbaijan, Bhutan, Brunei, Cambodia, Cyprus, Georgia, Kyrgyzstan, Laos, Maldives, Mongolia, Nepal, North Korea, Syria, Tajikistan, Timor-Leste, Turkmenistan, Yemen
- Austria: Vienna, Salzburg
- Belgium: Antwerp, Brussels, Ghent
- Croatia: Zagreb, Split
- Czechia: Prague, Brno
- Denmark: Copenhagen, Aarhus
- Finland: Helsinki, Tampere
- France: Paris, Marseille, Lyon (Key for Chemical & Power Generation)
- Germany: Frankfurt, Hamburg, Munich, Düsseldorf (Primary for Chemical, Marine & Power Gen)
- Greece: Athens, Thessaloniki
- Hungary: Budapest, Debrecen
- Italy: Milan, Rome, Genoa
- Netherlands: Rotterdam, Amsterdam, The Hague (Key for Marine & Chemical)
- Norway: Oslo, Bergen
- Poland: Warsaw, Krakow
- Portugal: Lisbon, Porto
- Romania: Bucharest, Cluj-Napoca
- Russia: Moscow, Saint Petersburg, Kazan
- Serbia: Belgrade, Novi Sad
- Slovakia: Bratislava, Košice
- Spain: Madrid, Barcelona, Valencia
- Sweden: Stockholm, Gothenburg
- Switzerland: Zurich, Geneva, Basel
- United Kingdom: London, Manchester, Glasgow (Key for Marine & Oil & Gas)
- Albania, Andorra, Belarus, Bosnia & Herzegovina, Bulgaria, Estonia, Iceland, Ireland, Kosovo, Latvia, Lithuania, Luxembourg, Malta, Moldova, Monaco, Montenegro, North Macedonia, San Marino, Slovenia, Ukraine, Vatican City
- Australia: Sydney, Melbourne, Perth, Brisbane (Key for Mining, Marine & Oil & Gas)
- New Zealand: Auckland, Wellington, Christchurch
- Papua New Guinea: Port Moresby, Lae
- Fiji, Kiribati, Marshall Islands, Micronesia, Nauru, Palau, Samoa, Solomon Islands, Tonga, Tuvalu, Vanuatu
Indian Loading Ports for Global Dispatch
- JNPT (Nhava Sheva)
- Mundra
- Chennai
- Kolkata
- Visakhapatnam
- Pipavav
- Kandla
Professional Export Packing & Documentation
- Packing: Custom crates/pallets for large/heavy flanges; cartons for smaller lots; polybags for individual items, all designed for seaworthy transit.
- Protection: Includes desiccants for moisture control, robust stretch wrap, plastic/plywood flange protectors, and steel banding for secure containment.
- Clear Labeling: Each package is clearly labeled with essential information such as ASTM A182 F316, flange type, dimensions, pressure class, quantity, heat/lot numbers, purchase order (PO) number, and country of origin (COO).
Why Choose Dipti Metal Industries for Your ASTM A182 F316 Stainless Steel Flanges?
- Leading Global Manufacturer & Specialized Expertise: As a premier global ASTM A182 F316 Flanges manufacturer and ASTM A182 F316 Flanges exporter from Mumbai, we specialize in ASTM A182 F316 Stainless Steel Flanges, offering deep expertise in producing components renowned for superior corrosion resistance (especially to chlorides), high temperature strength, and reliability in critical chemical, marine, and industrial applications worldwide.
- Uncompromising Quality & Certifications: Our F316 flanges are sourced from certified mills and manufactured under strict ISO 9001 processes. We provide full material traceability with EN 10204 3.1/3.2 MTCs, guaranteeing that every flange meets stringent ASTM A182 and ASME B16.5/B16.47/B16.36 standards for chemical composition, mechanical properties, and dimensional accuracy.
- Comprehensive Product Range & Customization: We maintain extensive stock of ASTM A182 F316 flanges in all major types (Weld Neck, Slip-On, Blind, Socket Weld, Threaded, Lap Joint, Orifice, Spectacle Blind, etc.), across a wide range of NPS sizes, pressure classes, and facings. Our advanced processing capabilities allow for **custom machining and fabrication** to exact client drawings and specialized specifications, optimizing project timelines and reducing waste.
- Global Network of Dealers & Distributors: With a robust worldwide presence, including a vast network of trusted Dealers, Distributors, and Stockists, we ensure prompt availability, localized support, and efficient supply chains for our global clientele, reaching even remote project sites with F316 Stainless Steel Flanges.
- Expert Technical Consultation: Decades of specialized stainless steel flange expertise enable our seasoned technical team to provide unparalleled guidance on material selection, application suitability, optimal specifications, welding considerations, and compliance for your most critical and demanding projects involving F316.
- Robust Worldwide Export & Logistics: As a dedicated Worldwide Exporter, we guarantee efficient and reliable global delivery with comprehensive documentation support (including HS Code 7307.21 verification and customs clearance assistance), ensuring smooth logistics and timely project completion across all continents for ASTM A182 F316 Stainless Steel Flanges.
- Competitive Pricing & Superior Value Proposition: Leveraging strategic global sourcing partnerships, streamlined operations, and optimized supply chains, we consistently deliver premium quality F316 flanges at highly competitive prices. Our products offer exceptional long-term value through enhanced safety, superior operational integrity, and improved overall project cost-effectiveness in severe corrosive and high-temperature environments.
Request a Quote Today for Your ASTM A182 F316 Stainless Steel Flange Requirements!
Are you in search of reliable, high-quality ASTM A182 F316 Stainless Steel Flanges for your chemical processing, marine, oil & gas, or power generation projects requiring superior corrosion resistance, high strength, and reliability? Contact Dipti Metal Industries, your expert leading global ASTM A182 F316 Flanges manufacturer, ASTM A182 F316 Flanges stockist, ASTM A182 F316 Flanges supplier, ASTM A182 F316 Flanges dealer, ASTM A182 F316 Flanges distributor, and worldwide exporter of F316 flanges from Mumbai, India, today. Our dedicated team is ready to discuss your specific requirements including flange type (Weld Neck, Slip-On, Blind, etc.), nominal pipe size (NPS / DN), pressure class, facing (RF, FF, RTJ), quantity, applicable standards (ASME B16.5, B16.47, EN 1092-1), and any custom fabrication needs. Request a personalized, custom quote to secure the most effective and dependable F316 flange solutions that guarantee enhanced operational integrity and prolonged system life in diverse industrial environments. Remember to mention HS Code 7307.21 if relevant for your customs purposes.
Price guidance (non-binding): USD 5.00–1000.00 per piece depending on flange type, dimensions, pressure class, quantity, processing, and delivery terms. Final prices are quotation-based.
By submitting this form you agree we may contact you regarding your inquiry.
ASTM A182 F316 Stainless Steel Flanges — Frequently Asked Questions
ASTM A182 F316 Stainless Steel Flanges are forged or rolled pipe flanges, fittings, and parts made from Grade F316 austenitic stainless steel, as specified by the ASTM A182 standard for high-temperature service. F316 is a chromium-nickel stainless steel alloyed with 2-3% molybdenum. This molybdenum content is crucial, as it provides significantly enhanced resistance to pitting and crevice corrosion, especially in environments containing chlorides, and offers improved strength at elevated temperatures compared to standard 304 stainless steel. Dipti Metal Industries manufactures and exports a full range of F316 flanges for critical industrial applications globally.
The key to F316's superior performance in corrosive, especially chloride-containing, environments is its **molybdenum content (2-3%)**. Molybdenum significantly improves the alloy's resistance to localized corrosion mechanisms such as pitting and crevice corrosion. These types of corrosion are particularly problematic for standard stainless steels (like 304) when exposed to chlorides (e.g., seawater, brine, certain chemical solutions) or in stagnant conditions where corrosive species can concentrate. The molybdenum helps to stabilize the passive film against chloride attack, ensuring long-term integrity in aggressive media. Dipti Metal's F316 flanges are ideal for such demanding conditions.
ASTM A182 F316 and F304 (or F304L) are both austenitic stainless steels, but F316 offers distinct advantages due to its molybdenum content:
- Corrosion Resistance: F316 has significantly better resistance to pitting and crevice corrosion, especially in chloride environments, compared to F304. It also has better resistance to many chemical corrodents.
- High-Temperature Strength: F316 offers superior tensile and creep strength at elevated temperatures.
- Cost: F316 is generally more expensive than F304 due to the addition of molybdenum.
Dipti Metal Industries supplies a comprehensive range of ASTM A182 F316 Stainless Steel Flange types to suit various piping system designs and operational requirements:
- Weld Neck Flanges: For high-pressure, high-temperature, or critical applications.
- Slip-On Flanges: Easy to align, for lower pressure systems.
- Blind Flanges: To seal the end of a piping system.
- Socket Weld Flanges: For small diameter, high-pressure lines.
- Threaded Flanges: For non-welded, low-pressure applications.
- Lap Joint Flanges: For ease of alignment and frequent dismantling.
- Orifice Flanges: For flow measurement.
- Spectacle Blind Flanges: For positive isolation of pipelines.
- We also offer Long Weld Neck, Reducing, Ring Type Joint (RTJ), and Plate Flanges.
Dipti Metal Industries provides ASTM A182 F316 Stainless Steel Flanges across a wide spectrum of pressure classes and facings to meet diverse industrial needs:
- Pressure Classes: Available in standard ASME ratings from **150#, 300#, 600#, 900#, 1500#, and 2500#**. For EN standards, equivalent PN (Pressure Nominal) ratings like **PN10 to PN400** are supplied.
- Facings: Common facings include:
- Raised Face (RF): The most common type, where the gasket surface is raised above the bolting circle face.
- Flat Face (FF): Where the entire flange face has the same bolting circle face.
- Ring Type Joint (RTJ): Features a groove into which a metallic gasket ring is fitted, providing a very high integrity seal for severe applications.
Dipti Metal Industries ensures that all its ASTM A182 F316 Stainless Steel Flanges strictly conform to the highest international industry standards for material, dimensions, and testing. Key standards include:
- Material Specification: ASTM A182 (Standard Specification for Forged or Rolled Alloy and Stainless Steel Pipe Flanges, Forged Fittings, and Valves and Parts for High-Temperature Service).
- Dimensional Standards:
- ASME B16.5: Pipe Flanges and Flanged Fittings (NPS 1/2 through NPS 24).
- ASME B16.47: Large Diameter Steel Flanges (NPS 26 through NPS 60), Series A and Series B.
- ASME B16.36: Orifice Flanges.
- ASME B16.48: Line Blanks (for Spectacle Blinds).
- EN 1092-1: Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, PN designated.
- Quality Documentation: All products are supplied with EN 10204 3.1/3.2 Material Test Certificates (MTCs), ensuring full traceability and compliance with chemical and mechanical property requirements.
For international shipping and customs purposes, the typical Harmonized System (HS) Code for ASTM A182 F316 Stainless Steel Flanges, along with other stainless steel flanges, is **7307.21**. This code specifically covers "Flanges of stainless steel" under the broader category of "Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel." While 7307.21 is the most common and generally applicable code, it's always advisable to confirm the exact HS code with a customs broker or relevant trade authority for your specific country of import to ensure accurate classification and avoid delays.
What Our Customers Say About Our ASTM A182 F316 Stainless Steel Flanges
“Dipti Metal's ASTM A182 F316 Weld Neck Flanges are essential for our process lines handling corrosive chlorides. The quality is consistently excellent, and their adherence to ASME B16.5 standards is flawless. Reliable supplier for critical components.”
— Chemical Plant Engineer – Project Lead, ChemCorp Global, Houston, USA
“We've used Dipti Metal's F316 Slip-On and Blind Flanges for various marine applications, and their resistance to saltwater corrosion is outstanding. Their ability to deliver a full range of pressure classes and sizes globally is a huge advantage.”
— Marine & Offshore Fabricator – Procurement Manager, SeaStruct Engineering, Singapore
“For our pharmaceutical processing equipment, Dipti Metal's ASTM A182 F316 Socket Weld Flanges meet our stringent purity and corrosion resistance requirements. The quality documentation provided is always thorough, ensuring full compliance for our validated systems.”
— Pharmaceutical Facility Manager – Operations Director, PharmaPure Systems, Frankfurt, Germany
Contact Us
Seaworthy export packing • Line-wise bagging & tagging • Full documentation & TPI.