DIPTI METAL INDUSTRIES
ASTM A182 F304H Forged Stainless Steel Flanges: Largest Global F304H Manufacturer in Mumbai, India, F304H Supplier & F304H Exporter
Dipti Metal Industries is your premier worldwide ASTM A182 F304H Flange Manufacturer in Mumbai, India, Global A182 F304H Supplier, Dealer, and Top A182 F304H Stockist and Exporter from India. ASTM A182 F304H is a high-carbon version of 304 stainless steel designed for enhanced structural strength and creep resistance at elevated temperatures (above 525°C). It is the preferred material for power generation, heat exchangers, and chemical refineries. We manufacture a comprehensive range of F304H Slip On Flanges, F304H Weld Neck Flanges, F304H Blind Flanges, and F304H Socket Weld Flanges. Available in sizes 1/2″ to 48″, pressure ratings from Class 150 to 2500. As a leading F304H Flange Manufacturer in Mumbai, we ensure superior material integrity for severe thermal service.
Dipti Metal Industries: Excellence in High-Temperature ASTM A182 F304H Flanges
Dipti Metal Industries is recognized as the largest global ASTM A182 F304H Manufacturer in Mumbai, India. While standard 304 and 304L are optimized for general corrosion and weldability, the F304H (High Carbon) grade is engineered specifically for heat resistance. The increased carbon content (0.04% to 0.10%) provides superior creep strength—the ability of the metal to resist slow deformation under long-term thermal stress. This makes our ASTM A182 F304H Forged Flanges indispensable for high-pressure boilers and steam piping systems.
We supply a massive inventory as the biggest F304H Flange Stockist in India. Our forging process ensures a controlled grain structure, which is vital for maintaining mechanical properties when exposed to temperatures as high as 1500°F (815°C). Whether you require F304H Weld Neck Flanges for extreme pressure or F304H Blind Flanges for high-temp vessel closure, Dipti Metal delivers precision-engineered components. As a trusted F304H Exporter from India, we provide complete chemical and mechanical testing results with every order, ensuring reliability in critical power generation infrastructure.
Searching for maximum weld-safety at lower temperatures? See our F304L Flanges or for stabilizing properties against carbide precipitation, explore F321H Flanges.
ASTM A182 F304H Flange Standards & Design Codes
| Specification | Standard Description | Available Types | Pressure Class |
|---|---|---|---|
| ASTM A182 | Forged SS Components for High-Temp Service | F304H / UNS S30409 | Standard Spec |
| ASME B16.5 | Pipe Flanges and Flanged Fittings | WN, SO, BL, SW, LJ | 150# to 2500# |
| ASME B16.47 | Large Diameter Steel Flanges | Series A (MSS SP-44) & B | 75# to 900# |
| EN 1092-1 | Circular Flanges for Pipes & Valves | PN 6 to PN 160 | Type 01 to Type 37 |
| MSS SP-44 | Steel Pipeline Flanges | Weld Neck, Blind | Cl 150 to 900 |
F304H Technical Specifications & Material Characteristics
Chemical Composition (F304H)
- Carbon (C): 0.04 - 0.10% (High Carbon)
- Chromium (Cr): 18.0 - 20.0%
- Nickel (Ni): 8.0 - 11.0%
- Manganese (Mn): 2.0% Max
- Silicon (Si): 1.0% Max
Mechanical Properties
- Tensile Strength: 515 MPa (Min)
- Yield Strength: 205 MPa (Min)
- Elongation: 30% (Min)
- Hardness (Brinell): 201 Max
- Max Operating Temp: ~815°C (1500°F)
Industrial Applications of ASTM A182 F304H Flanges
High carbon content makes Dipti Metal's F304H flanges ideal for applications where structural integrity at heat is the priority:
- Power Generation (Steam Turbines)
- Petrochemical Cracking Units
- Heat Exchanger Components
- Boiler Tubes & Superheaters
- Industrial Furnaces & Kilns
- Chemical Refineries (High-Temp)
- Exhaust Systems for Gas Turbines
- Pressure Vessels & Piping Systems
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 F304H Global Customer Ratings
Based on 142 Verified Global Reviews
Heat Reliability
F304H flanges showed excellent stability in our high-temp steam cycle operations.
Carbon Testing
Strict adherence to the 0.04-0.10% carbon range verified by PMI for every forged batch.
"Supplied high-quality F304H WNRF flanges for our boiler overhaul in the UK. Exceptional structural integrity at elevated temps."
"Reliable Mumbai manufacturer for heat-resistant F304H SORF flanges. Fast shipping and impeccable certification."
Why Choose Dipti Metal Industries for F304H Flanges?
- Largest Global F304H Manufacturer in Mumbai: Unrivaled stock and production for high-carbon grades.
- Creep Strength Expertise: Advanced forging techniques that maximize long-term thermal resistance.
- Strict Carbon Control: Specialized melting and forging to ensure precise 0.04% - 0.10% carbon content.
- Project Documentation: Full traceability with Mill Test Reports (EN 10204 3.1) for safety compliance.
- Seaworthy Packaging: Robust export crates designed to prevent damage during international transit.
Request a Quote for ASTM A182 F304H Flanges
Contact the expert high-carbon flange manufacturer in Mumbai for competitive rates on your next high-temperature piping project.
F304H Flanges — Frequently Asked Questions
Standard F304 and F304L (Low Carbon) lose significant structural strength as temperatures rise above 500°C. F304H, due to its higher carbon content, maintains higher creep strength and tensile strength at these elevated temperatures, preventing the piping from "creeping" or slowly stretching under pressure.
ASTM A182 F304H is generally rated for continuous service up to 815°C (1500°F). However, at very high temperatures, specialized alloys or stabilized grades like F321H might be evaluated depending on the chemical environment.
Yes, F304H is weldable using standard austenitic stainless steel welding techniques. However, because of the higher carbon content, there is a risk of carbide precipitation. For applications requiring heavy welding without post-weld heat treatment, stabilized grades like 347H are often preferred.
Contact Dipti Metal Industries — Your F304H Flange Manufacturer
High-temperature export specialists: Full MTC traceability • Heat-resistant packaging • Global project delivery. We are a premier manufacturer in Mumbai, India.