DIPTI METAL INDUSTRIES
ASTM A182 F317L Forged Stainless Steel Flanges: Largest Global F317L Manufacturer in Mumbai, India, F317L Supplier & F317L Exporter
Dipti Metal Industries is your premier worldwide ASTM A182 F317L Flange Manufacturer in Mumbai, India, Global A182 F317L Supplier, Dealer, and Top A182 F317L Stockist and Exporter from India. ASTM A182 F317L is a high-molybdenum (3.0% to 4.0%) low-carbon austenitic stainless steel, engineered for superior resistance to severe chemical attacks compared to 316L. It is the preferred material for flue gas desulfurization systems, pulp and paper bleaching, and petrochemical processing involving organic and fatty acids. We manufacture a comprehensive range of F317L Slip On Flanges, F317L Weld Neck Flanges, F317L Blind Flanges, and F317L Socket Weld Flanges. Available in sizes 1/2″ to 48″, pressure ratings from Class 150 to 2500. As a leading F317L Flange Manufacturer in Mumbai, we ensure exceptional corrosion safety and 100% material traceability.
Dipti Metal Industries: Excellence in High-Moly ASTM A182 F317L Forged Flanges
Dipti Metal Industries stands as the largest global ASTM A182 F317L Manufacturer in Mumbai, India. While standard 316L is highly effective, ASTM A182 F317L (UNS S31703) provides a critical upgrade for environments with high concentrations of chlorides and sulfurous gases. The "L" grade indicates extra-low carbon (max 0.03%), which eliminates carbide precipitation during welding, while the high molybdenum content provides exceptional resistance to pitting (PREN ~29). This ensures that our ASTM A182 F317L Forged Flanges maintain their maximum integrity in the most aggressive chemical and acidic zones.
We maintain the biggest inventory as the premier F317L Flange Stockist in India. Our forged 317L components are essential for systems handling phosphoric acid, sulfuric acid, and chloride solutions. Whether your project requires F317L Slip On (SORF) flanges for easy assembly or high-pressure F317L Weld Neck (WNRF) flanges for structural strength in chemical reactors, our Mumbai facility produces components that meet rigorous ASME B16.5 and B16.47 standards. As a leading F317L Exporter from India, we provide full Mill Test Certificates (MTC) as per EN 10204 3.1, ensuring the high-moly chemistry required for severe acidic service.
Need a grade with even higher molybdenum for extreme offshore use? Explore F44 (6% Moly) Flanges or for general marine grade, see F316L Flanges.
ASTM A182 F317L Flange Standards & Design Codes
| Specification | Material Grade | Types Available | Pressure Class |
|---|---|---|---|
| ASME B16.5 | F317L / UNS S31703 | SORF, WNRF, BLRF, SWRF | Class 150 to 2500 |
| ASME B16.47 | F317L / UNS S31703 | Series A & B (Large Diameter) | Class 75 to 900 |
| EN 1092-1 | 1.4438 / 1.4439 | Type 01, 05, 11, 12 | PN 6 to PN 160 |
| JIS B2220 | SUS 317L | SOP, SOH, BL | 5K to 30K |
| MSS SP-44 | F317L Forgings | High-Pressure Pipeline Flanges | DN 650 to DN 1500 |
F317L Technical Specifications & Material Characteristics
Chemical Composition (F317L)
- Molybdenum (Mo): 3.0 - 4.0% (Superior Acid Resistance)
- Chromium (Cr): 18.0 - 20.0%
- Nickel (Ni): 11.0 - 15.0%
- Carbon (C): 0.030% Max (Weld-Safe)
- Nitrogen (N): 0.10% Max
Mechanical Properties
- Tensile Strength: 485 MPa (Min)
- Yield Strength: 205 MPa (Min)
- Elongation: 30% (Min)
- Hardness (Brinell): 201 Max
- PREN: ~29 (Pitting Resistance Equivalent)
Industrial Applications of ASTM A182 F317L Flanges
The high Moly content and Low Carbon chemistry make Dipti Metal's F317L flanges mandatory for:
- Pulp & Paper Bleaching Plants
- Flue Gas Desulfurization (FGD) Units
- Chemical Processing of Acetic Acids
- Petrochemical Distillation Columns
- Food & Beverage Processing (Acidic)
- Nuclear Power Piping Systems
- Offshore Oil & Gas (Severe Chlorides)
- Waste Water Treatment (Chemical Heavy)
Our Global Reach: Serving Countries Worldwide
DIPTI Metal Industries is a truly global exporter, proudly supplying certified industrial piping materials, fasteners, gaskets, and valves to a vast network of clients across every continent. Our extensive logistics capabilities ensure reliable and on-time delivery to major industrial hubs and ports around the world.
- India: Mumbai, Delhi, Chennai, Kolkata, Bangalore, Hyderabad
- UAE: Dubai, Abu Dhabi, Sharjah, Jebel Ali
- Saudi Arabia: Riyadh, Jeddah, Dammam, Jubail
- Qatar: Doha, Ras Laffan
- Oman: Muscat, Sohar, Salalah
- Kuwait: Kuwait City, Ahmadi
- Bahrain: Manama, Sitra
- Iraq: Baghdad, Basra, Erbil
- Iran: Tehran, Bandar Abbas, Isfahan
- Singapore: Singapore City
- Malaysia: Kuala Lumpur, Port Klang, Johor Bahru
- Indonesia: Jakarta, Surabaya, Balikpapan
- Thailand: Bangkok, Rayong, Laem Chabang
- Vietnam: Ho Chi Minh City, Hanoi, Haiphong
- Philippines: Manila, Cebu, Davao
- China: Shanghai, Beijing, Guangzhou, Tianjin, Qingdao
- Japan: Tokyo, Osaka, Nagoya, Yokohama
- South Korea: Seoul, Busan, Ulsan, Incheon
- Bangladesh: Dhaka, Chittagong
- Sri Lanka: Colombo, Kandy
- Myanmar: Yangon, Mandalay
- Kazakhstan: Nur-Sultan, Almaty, Atyrau
- Uzbekistan: Tashkent, Samarkand
- Turkmenistan: Ashgabat, Turkmenbashi
- Azerbaijan: Baku, Ganja
- Jordan: Amman, Aqaba
- Lebanon: Beirut, Tripoli
- Syria: Damascus, Aleppo (subject to trade regulations)
- Yemen: Sana'a, Aden (subject to trade regulations)
- Mongolia: Ulaanbaatar
- Nepal: Kathmandu
- Cambodia: Phnom Penh
- Laos: Vientiane
- Brunei: Bandar Seri Begawan
- Taiwan: Taipei, Kaohsiung
- Germany: Frankfurt, Hamburg, Munich, Düsseldorf, Berlin
- United Kingdom: London, Aberdeen, Manchester, Glasgow, Liverpool
- Netherlands: Rotterdam, Amsterdam, The Hague
- France: Paris, Marseille, Lyon, Le Havre, Bordeaux
- Italy: Milan, Rome, Genoa, Venice, Naples
- Spain: Madrid, Barcelona, Valencia, Bilbao
- Russia: Moscow, Saint Petersburg, Kazan, Novorossiysk
- Poland: Warsaw, Krakow, Gdansk
- Belgium: Antwerp, Brussels, Ghent
- Sweden: Stockholm, Gothenburg, Malmö
- Norway: Oslo, Bergen, Stavanger, Trondheim
- Finland: Helsinki, Tampere, Turku
- Denmark: Copenhagen, Aarhus, Odense
- Portugal: Lisbon, Porto, Sines
- Greece: Athens, Thessaloniki, Patras
- Turkey: Istanbul, Ankara, Izmir
- Switzerland: Zurich, Geneva, Basel
- Austria: Vienna, Salzburg, Linz
- Ireland: Dublin, Cork
- Czech Republic: Prague, Brno
- Romania: Bucharest, Constanta
- Ukraine: Kyiv, Odesa (subject to current events)
- Hungary: Budapest, Debrecen
- Croatia: Zagreb, Split
- Serbia: Belgrade, Novi Sad
- Bulgaria: Sofia, Varna
- Slovakia: Bratislava, Kosice
- Lithuania: Vilnius, Kaunas
- Latvia: Riga, Liepāja
- Estonia: Tallinn, Tartu
- Slovenia: Ljubljana, Maribor
- Cyprus: Nicosia, Limassol
- Malta: Valletta, Birkirkara
- Iceland: Reykjavik
- Luxembourg: Luxembourg City
- Belarus: Minsk, Gomel (subject to trade regulations)
- Bosnia and Herzegovina: Sarajevo
- North Macedonia: Skopje
- Albania: Tirana, Durres
- Moldova: Chisinau
- Montenegro: Podgorica
- Kosovo: Pristina
- USA: Houston, Los Angeles, New York, Chicago, New Orleans, Philadelphia
- Canada: Calgary, Edmonton, Vancouver, Toronto, Montreal, Halifax
- Mexico: Mexico City, Monterrey, Guadalajara, Veracruz, Ciudad del Carmen
- Panama: Panama City, Colón
- Trinidad & Tobago: Port of Spain, San Fernando
- Costa Rica: San José, Puerto Limón
- Guatemala: Guatemala City, Puerto Quetzal
- Honduras: Tegucigalpa, Puerto Cortés
- Nicaragua: Managua, Corinto
- El Salvador: San Salvador, Acajutla
- Jamaica: Kingston, Montego Bay
- Dominican Republic: Santo Domingo, Santiago
- Cuba: Havana, Santiago de Cuba (subject to trade regulations)
- Bahamas: Nassau, Freeport
- Barbados: Bridgetown
- Puerto Rico: San Juan
- Belize: Belize City
- Brazil: São Paulo, Rio de Janeiro, Salvador, Curitiba, Santos
- Argentina: Buenos Aires, Cordoba, Rosario, Bahia Blanca
- Chile: Santiago, Valparaíso, Concepción, Antofagasta
- Colombia: Bogotá, Medellín, Cartagena, Barranquilla
- Peru: Lima, Callao, Arequipa, Trujillo
- Venezuela: Caracas, Maracaibo, Puerto La Cruz (subject to trade regulations)
- Ecuador: Quito, Guayaquil, Manta
- Bolivia: La Paz, Santa Cruz, Cochabamba
- Uruguay: Montevideo, Salto
- Paraguay: Asunción, Ciudad del Este
- Guyana: Georgetown
- Suriname: Paramaribo
- French Guiana: Cayenne
- South Africa: Johannesburg, Durban, Cape Town, Sasolburg
- Nigeria: Lagos, Port Harcourt, Abuja, Kano
- Egypt: Cairo, Alexandria, Port Said, Suez
- Algeria: Algiers, Oran, Skikda
- Morocco: Casablanca, Rabat, Tangier
- Angola: Luanda, Lobito
- Kenya: Nairobi, Mombasa
- Tanzania: Dar es Salaam, Mwanza
- Ghana: Accra, Tema, Kumasi
- Mozambique: Maputo, Beira
- Cameroon: Douala, Yaoundé
- Libya: Tripoli, Benghazi (subject to current events)
- Tunisia: Tunis, Sfax
- Ethiopia: Addis Ababa, Dire Dawa
- Côte d'Ivoire: Abidjan
- Senegal: Dakar
- Zambia: Lusaka, Ndola
- Zimbabwe: Harare, Bulawayo
- DR Congo: Kinshasa, Lubumbashi
- Sudan: Khartoum, Port Sudan (subject to current events)
- Uganda: Kampala, Entebbe
- Gabon: Libreville, Port-Gentil
- Mauritius: Port Louis
- Reunion: Saint-Denis
- Djibouti: Djibouti City
- Eritrea: Asmara, Massawa
- Somalia: Mogadishu (subject to current events)
- Australia: Sydney, Melbourne, Perth, Brisbane, Adelaide, Darwin
- New Zealand: Auckland, Wellington, Christchurch
- Papua New Guinea: Port Moresby, Lae
- Fiji: Suva, Nadi
- New Caledonia: Nouméa
- Solomon Islands: Honiara
- Vanuatu: Port Vila
- Samoa: Apia
- Tonga: Nukuʻalofa
- Kiribati: South Tarawa
- Micronesia: Palikir
- Marshall Islands: Majuro
- Palau: Ngerulmud
- Tuvalu: Funafuti
- Nauru: Yaren
ASTM A182 F317L Global Customer Ratings
Based on 118 Verified Global Reviews
Acid Performance
F317L flanges showed zero pitting after 12 months in our acetic acid storage unit.
Chemistry Lab
Strict adherence to 3.5% avg Molybdenum content verified by every batch’s Mill Test Report.
"Supplied highest-integrity F317L weld neck flanges for our pulp bleaching project in Canada. Impeccable structural safety at joints."
"Best F317L exporter from Mumbai. The high-moly SORF flanges for our chemical unit in UAE were delivered with full documentation."
Why Choose Dipti Metal Industries for F317L Flanges?
- Largest Global F317L Manufacturer in Mumbai: Massive production capacity and ready-stock inventory.
- Acid Corrosion Guarantee: Guaranteed 3.0% - 4.0% Molybdenum content for superior resistance to acids.
- Low Carbon Weld Safety: Strict 0.03% Carbon max compliance for zero intergranular corrosion risk at the joints.
- Solution Annealed Integrity: Every flange undergoes advanced thermal treatment for a refined grain structure.
- Certified Traceability: Mill Test Reports as per EN 10204 3.1 provided with every export shipment.
Request a Quote for ASTM A182 F317L Flanges
Contact the expert High Moly Stainless Steel Flange Manufacturer in Mumbai for competitive project pricing and technical support.
F317L Flanges — Frequently Asked Questions
ASTM A182 F317L has a significantly higher Molybdenum content (3.0-4.0% compared to 2.0-3.0% in 316L) and slightly higher Chromium content. This provides much higher resistance to pitting and crevice corrosion, especially in environments containing organic acids, sulfurous gases, and chloride solutions.
The 'L' signifies that the maximum carbon content is 0.03%. Standard 317 can have up to 0.08% carbon. The low carbon content prevents the formation of chromium carbides during welding, ensuring the metal remains corrosion-resistant without requiring post-weld solution annealing.
The Pitting Resistance Equivalent Number (PREN) for F317L is approximately 29. For comparison, standard 316L has a PREN of around 24-25. This makes 317L a superior choice for severe chloride and saline exposures.
Contact Dipti Metal Industries — Your F317L Flange Manufacturer
Acid-resistant export specialists: Mill-certified F317L components • Line-wise tagging • Global export documentation. We are a premier manufacturer in Mumbai, India.