DIPTI METAL INDUSTRIES
Stainless Steel ASTM A276 / AISI 347H Manufacturer, Supplier, & Exporter of Bars & Rods (UNS S34709, EN 1.4961)
DIPTI METAL INDUSTRIES is a leading ASTM A276 AISI 347H Manufacturer, reliable AISI 347H Supplier, and authorized AISI 347H Exporter under the DIPTI® brand. We specialize in high-carbon Niobium (Columbium)-stabilized austenitic stainless steel, AISI 347H (UNS S34709, EN 1.4961, X7CrNiNb18-10), specifically engineered for superior high-temperature strength and creep resistance (above 500°C / 932°F), coupled with excellent resistance to sensitization and intergranular corrosion. We offer various profiles including Round, Square, and Hexagonal Bars, as well as Rods, predominantly with Hot Finished and Cold Drawn finishes. As a top ASTM A276 347H Manufacturers in India, we ensure full compliance to ASTM A276, ASTM A240, ASTM A182, ASME SA276, ASME SA240, and ASME SA182. As a trusted AISI 347H Stockiest and AISI 347H Importer with a robust global supply chain, we provide competitive pricing and expert support across AISI 347H in Mumbai and worldwide as an AISI 347H Distributor, prioritizing enhanced high-temperature performance, creep resistance, and weldability for critical applications.
About Dipti Metal Industries – Your Trusted AISI 347H Partner
Dipti Metal Industries is a globally recognized ASTM A276 347H Manufacturer, AISI 347H Exporter, and UNS S34709 Supplier of premium industrial raw materials. Specializing in Stainless Steel, Alloy Steel, Carbon Steel, Nickel Alloys, Copper Alloys, and Titanium, we are committed to delivering high-performance engineering materials worldwide. As one of the leading AISI 347H Manufacturers in India, our dedication to quality for high-carbon Niobium-stabilized stainless steel for elevated temperature applications is unwavering.
What Defines Us
- 45+ Years of Industrial Expertise as an AISI 347H Manufacturer
- Worldwide Export Network & Global Certifications (e.g., ASME SA276 347H, EN 10088-3, EN 1.4961)
- Strict Quality Control with Complete MTC / Test Reports (e.g., ASTM A276 347H)
- ISO-based manufacturing systems & international compliance
- Worldwide Shipping – Europe, USA, Middle East, Africa, Asia (as an AISI 347H Exporter)
- Reputed among EPC contractors, OEMs & global distributors
Our Commitment to You
As an ASTM A276 347H Supplier, we deliver precision-engineered metal products with guaranteed quality, traceability, and on-time delivery. Each order is handled with meticulous attention to material standards (including DIN 17440 347H, JIS SUS347H), dimensional tolerances, packaging, and export documentation.
- Guaranteed Quality & Traceability (for UNS S34709 products)
- Meticulous Attention to Standards & Tolerances (e.g., AS 1449 347H)
- Secure & Compliant Export Packaging
- Comprehensive Export Documentation
Key Features of AISI 347H Stainless Steel
Stainless Steel AISI 347H (UNS S34709 / EN 1.4961) is a premium high-carbon Niobium (Columbium)-stabilized austenitic stainless steel, uniquely designed for superior strength and creep resistance at elevated temperatures (typically above 500°C / 932°F), coupled with excellent resistance to sensitization and intergranular corrosion. As a leading AISI 347H Supplier and ASTM A276 347H Stockiest, we highlight its core benefits:
Superior High-Temperature Strength & Creep Resistance
The controlled higher carbon content (0.04-0.10%) provides excellent tensile and creep rupture strength at elevated temperatures (up to 800°C / 1472°F), from an expert AISI 347H Manufacturer.
Niobium Stabilized & Weld Decay Resistant
The addition of Niobium (Columbium, typically 10xC to 1.0%) prevents chromium carbide precipitation during welding or high-temperature exposure, ensuring excellent resistance to intergranular corrosion, fulfilling requirements of an EN 1.4961 Exporter.
Good Oxidation Resistance
Maintains good resistance to oxidation in air at temperatures up to 870°C (1598°F), suitable for furnace components, meeting BS 970 347H S31 standards.
Good General Corrosion Resistance
Retains similar general corrosion resistance to standard 304 in many environments, compliant with AFNOR Z6CNb18-10H.
High Toughness at Cryogenic Temperatures
Like other austenitic grades, 347H also exhibits excellent ductility and toughness even at very low temperatures, from a reliable GOST 08Х18Н12БН Supplier.
Widely Accepted Globally
A globally recognized and preferred grade for many critical high-temperature applications, ensuring wide compatibility, thanks to our global network as an AS 347H Exporter.
International Standards & Worldwide Equivalents of AISI 347H
As a global ASTM A276 AISI 347H Manufacturer and UNS S34709 Exporter, we ensure our products meet or exceed the requirements of various international standards, making them suitable for projects worldwide. This includes compliance as an EN 1.4961 Manufacturer and ASME SA276 347H Supplier.
| Region / Standard Body | Equivalent Grade | Standard Code |
|---|---|---|
| United States (ASTM/ASME) | AISI 347H / UNS S34709 | ASTM A276, ASTM A240, ASTM A182, ASME SA276, ASME SA240, ASME SA182 |
| European Union (EN) | 1.4961 | EN 10088-3 |
| Germany (DIN/EN) | X7CrNiNb18-10 | DIN 17440 (or EN equivalent) |
| United Kingdom (BS) | 347H S31 | BS 970 |
| France (AFNOR) | Z6CNb18-10H | NF A35-573 |
| Japan (JIS) | SUS 347H | JIS G4303 |
| China (GB) | 07Cr18Ni11Nb | GB/T 1220 |
| Russia (GOST) | 08Х18Н12БН | GOST 5632 |
| Italy (UNI) | X7CrNiNb18-10 | UNI 6900 |
| Australia (AS) | 347H | AS 1449 |
| International UNS | S34709 | — |
Chemical Composition of AISI 347H Stainless Steel (Typical)
As an experienced AISI 347H Manufacturer, we guarantee the precise chemical composition of our AISI 347H Stainless Steel Bars (UNS S34709), adhering strictly to industry standards like ASTM A276 and EN 10088-3 for optimal performance in diverse applications, especially highlighting its controlled high-carbon and Niobium content for superior high-temperature properties.
*(Note: Iron balance and other elements as per ASTM A276 / ASME SA276 for UNS S34709. The higher carbon and Niobium content are crucial for enhanced high-temperature strength and sensitization resistance.)*
Mechanical Properties of AISI 347H Stainless Steel
Our AISI 347H Bars and Rods (UNS S34709) exhibit superior mechanical properties tailored for high-temperature service, making them reliable for demanding structural and engineering applications, particularly those requiring enhanced strength and creep resistance at elevated temperatures, meeting the benchmarks set by standards such as ASTM A276 and ASME SA276. Specific creep and stress rupture data are available upon request for precise design applications.
*(Note: Values are typical and may vary slightly based on specific product form and heat treatment as per ASTM A276. The high carbon and Niobium stabilization provide superior creep and stress rupture properties, critical for elevated temperature service.)*
Available Shapes & Profiles for AISI 347H Bars & Rods
DIPTI Metal Industries, a leading AISI 347H Supplier and ASTM A276 347H Stockiest, offers AISI 347H Stainless Steel bars (UNS S34709, EN 1.4961) in a comprehensive range of shapes and finishes suitable for high-temperature, welded, and corrosive industrial requirements.
Round Bars
- Hot Rolled / Cold Drawn Finish (Bright finish is less common for high-temperature applications)
- Available in a wide range of sizes, including large diameters for structural components
- Excellent for general machining and fabrication, from a top AISI 347H Round Bar Manufacturer.
Square Bars
- Supplied with precision tolerances
- Ideal for structural supports and high-temperature frameworks
- Consistent dimensions for reliable fit, as a dedicated AISI 347H Square Bar Supplier.
Hex Bars
- Commonly used for high-temperature fasteners, nuts, and specialized machining parts
- Accurate hexagonal dimensions for secure grip
- Available in various sizes, from an experienced AISI 347H Hex Bar Exporter.
Rods / Straight Lengths
- Supplied in custom lengths as per project needs for furnace elements or supports
- Controlled straightness for critical high-temperature applications
- Available with hot-finished or black finishes, from your reliable AISI 347H Rods Supplier.
Manufacturing & Quality Control for ASTM A276 / AISI 347H Bars
DIPTI Metal Industries, as an established ASTM A276 347H Manufacturer and one of the leading AISI 347H Manufacturers in India, follows strict quality standards, ensuring every AISI 347H bar and rod (UNS S34709, EN 1.4961) meets global engineering requirements for superior high-temperature and corrosive service and provides reliable performance. Our comprehensive quality assurance covers all aspects of ASTM A276, ASTM A240, ASTM A182, ASME SA276, ASME SA240, and ASME SA182.
Rigorous Testing & Inspection
- 100% PMI Testing: Positive Material Identification to verify grade (e.g., UNS S34709), including Niobium and Carbon content.
- Ultrasonic (UT) Inspection: For internal flaw detection, crucial for ASME SA276 347H compliance.
- Dimensional Accuracy Checks: Ensuring precise measurements as per EN 10088-3.
- Visual Inspection: For surface finish and defects, upholding our reputation as a quality AISI 347H Supplier.
- Intergranular Corrosion Tests: (e.g., ASTM A262 Practice E or F) to confirm resistance to sensitization, provided by our X7CrNiNb18-10 Manufacturer.
- High-Temperature Mechanical Testing: Creep and stress rupture tests can be performed as per project requirements for critical applications.
Certifications & Process Control
- Heat Treatment Control: Solution Annealing for optimal properties, ensuring proper Niobium carbide formation and controlled grain size for high-temperature strength, adhering to DIN 17440 347H requirements.
- Complete Material Test Certificates (MTC): As per EN 10204 3.1, provided by our GB 07Cr18Ni11Nb Manufacturer.
- Third-Party Inspection (TPI) available on request, for all our AISI 347H Exporter shipments.
- Compliance with ASTM A276 347H, ASME SA276 347H, and other relevant international standards, affirming our position as a reliable S34709 Manufacturer.
Key Global Applications of AISI 347H Bars & Rods
The superior high-temperature strength, creep resistance, and excellent resistance to sensitization of AISI 347H Stainless Steel bars (UNS S34709, EN 1.4961) make them indispensable across a wide range of demanding industries globally, particularly in environments operating at high temperatures where welding is involved. We are a trusted AISI 347H Exporter and ASTM A276 347H Supplier for these sectors, providing products that meet various international standards like JIS G4303 347H and BS 970 347H.
Aircraft & Aerospace Components
- Jet engine parts, exhaust manifolds, afterburners, and high-temperature structural components
- Applications requiring long-term stability and strength at elevated temperatures, supplied by your X7CrNiNb18-10 Supplier.
Chemical & Petrochemical Processing
- Welded tanks, pressure vessels, and piping in highly corrosive and high-temperature environments
- Equipment exposed to media causing sensitization, from an experienced AS 347H Manufacturer.
High-Temperature & Furnace Applications
- Furnace components (hangers, fixtures, radiant tubes), boiler tube supports, and heat exchangers.
- Applications involving intermittent heating or prolonged service in the sensitization range (425-815°C).
Power Generation Plants
- Components for superheaters, reheaters, and other high-temperature sections in conventional and nuclear power plants.
- Where creep resistance and stability in hot environments are essential, supplied by your trusted NF A35-573 347H Exporter.
Oil & Gas Industries
- High-temperature process equipment, flare stacks, and components in refining units.
- Resistance to sour gas and chloride stress corrosion cracking at elevated temperatures, from an AISI 347H Manufacturer.
Catalyst Support & Waste Treatment
- Components for catalytic converters and high-temperature incinerators.
- Robust performance in aggressive high-temperature gaseous environments, from a reliable UNI 6900 347H Supplier.
AISI 347H Global Export Markets: AISI 347H Supplier in India Supplying from Mumbai
Dipti Metal Industries is a proud AISI 347H Exporter, serving as a reliable AISI 347H Supplier in Mumbai and an AISI 347H Distributor to OEMs, EPC contractors, and end-users worldwide. We are highly proficient as an ASTM A276 347H Exporter and a top AISI 347H Manufacturers in India, ensuring our UNS S34709 and EN 1.4961 products reach destinations in compliance with all relevant international standards like ASTM A276, ASTM A240, ASTM A182, ASME SA276, ASME SA240, ASME SA182, EN 10088-3, DIN 17440, BS 970, NF A35-573, JIS G4303, GB/T 1220, GOST 5632, UNI 6900, and AS 1449.
- USA: Houston, Los Angeles, New York, Chicago, New Orleans (Top ASTM A276 347H Supplier)
- Canada: Calgary, Edmonton, Vancouver, Toronto, Montreal (Leading UNS S34709 Exporter)
- Mexico: Mexico City, Monterrey, Guadalajara, Veracruz (Trusted AISI 347H Exporter)
- Panama: Panama City, Colón
- Trinidad and Tobago: Port of Spain, San Fernando
- Costa Rica: San José, Puerto Limón
- Guatemala: Guatemala City, Puerto Quetzal
- Honduras: Tegucigalpa, San Pedro Sula
- Nicaragua: Managua, Corinto
- El Salvador: San Salvador, Acajutla
- Jamaica: Kingston, Montego Bay
- Dominican Republic: Santo Domingo, Santiago
- Cuba: Havana, Santiago de Cuba
- Bahamas: Nassau, Freeport
- Barbados: Bridgetown
- Haiti: Port-au-Prince
- Puerto Rico: San Juan
- Belize: Belize City
- Brazil: São Paulo, Rio de Janeiro, Salvador, Curitiba (Reliable EN 1.4961 Exporter)
- Argentina: Buenos Aires, Cordoba, Rosario (Key ASME SA276 347H Exporter)
- Chile: Santiago, Valparaíso, Concepción, Antofagasta
- Colombia: Bogotá, Medellín, Cartagena, Barranquilla
- Peru: Lima, Callao, Arequipa, Trujillo
- Venezuela: Caracas, Maracaibo, Puerto La Cruz, Valencia
- Ecuador: Quito, Guayaquil, Manta, Esmeraldas
- Bolivia: La Paz, Santa Cruz, Cochabamba
- Uruguay: Montevideo, Salto
- Paraguay: Asunción, Ciudad del Este
- Guyana: Georgetown
- Suriname: Paramaribo
- Germany: Frankfurt, Hamburg, Munich, Düsseldorf, Berlin (Prominent DIN 17440 347H Exporter, EN 1.4961 Manufacturer)
- United Kingdom: London, Manchester, Aberdeen, Glasgow, Liverpool (Leading BS 970 347H Exporter, 347H S31 Manufacturer)
- Netherlands: Rotterdam, Amsterdam, The Hague
- France: Paris, Marseille, Lyon, Le Havre, Bordeaux (Expert NF A35-573 347H Exporter)
- Italy: Milan, Rome, Genoa, Venice, Naples (Reliable UNI 6900 347H Exporter)
- Spain: Madrid, Barcelona, Valencia, Bilbao, Seville
- Russia: Moscow, Saint Petersburg, Kazan, Novorossiysk, Sochi (Global GOST 5632 347H Exporter)
- Poland: Warsaw, Krakow, Gdańsk, Wrocław
- Belgium: Antwerp, Brussels, Ghent, Zeebrugge
- Sweden: Stockholm, Gothenburg, Malmö, Uppsala
- Norway: Oslo, Bergen, Stavanger, Trondheim
- Finland: Helsinki, Tampere, Turku, Oulu
- Turkey: Istanbul, Ankara, Izmir, Adana
- Portugal: Lisbon, Porto, Sines
- Greece: Athens, Thessaloniki, Patras
- Ireland: Dublin, Cork
- Austria: Vienna, Salzburg, Linz
- Switzerland: Zurich, Geneva, Basel, Bern
- Czech Republic: Prague, Brno, Ostrava
- Romania: Bucharest, Cluj-Napoca, Constanța
- Ukraine: Kyiv, Kharkiv, Odesa, Lviv
- Hungary: Budapest, Debrecen, Szeged
- Croatia: Zagreb, Split, Rijeka
- Denmark: Copenhagen, Aarhus, Odense
- Slovakia: Bratislava, Košice, Žilina
- Lithuania: Vilnius, Kaunas, Klaipėda
- Latvia: Riga, Daugavpils, Liepāja
- Estonia: Tallinn, Tartu, Narva
- Bulgaria: Sofia, Plovdiv, Varna
- Serbia: Belgrade, Novi Sad
- Slovenia: Ljubljana, Maribor
- Cyprus: Nicosia, Limassol
- Malta: Valletta, Birkirkara
- Saudi Arabia: Riyadh, Jeddah, Dammam, Al Khobar, Jubail (Trusted ASTM A182 347H Exporter)
- UAE: Dubai, Abu Dhabi, Sharjah, Ajman, Ras Al Khaimah (Reliable AISI 347H Supplier)
- Qatar: Doha, Ras Laffan (Leading S34709 Exporter)
- Oman: Muscat, Sohar, Salalah
- Kuwait: Kuwait City, Ahmadi
- Bahrain: Manama, Sitra
- Iraq: Baghdad, Basra, Erbil
- Iran: Tehran, Mashhad, Bandar Abbas, Isfahan
- India: Mumbai, Delhi, Chennai, Kolkata, Bangalore, Hyderabad (Top AISI 347H Manufacturers in India)
- China: Shanghai, Guangzhou, Tianjin, Shenzhen, Qingdao, Hong Kong (Expert GB 07Cr18Ni11Nb Manufacturer)
- Japan: Tokyo, Osaka, Nagoya, Yokohama, Kobe (Dedicated JIS SUS347H Supplier)
- South Korea: Seoul, Busan, Ulsan, Incheon, Daegu
- Indonesia: Jakarta, Surabaya, Balikpapan, Medan
- Singapore: Singapore City
- Malaysia: Kuala Lumpur, Johor Bahru, Port Klang, Penang
- Thailand: Bangkok, Rayong, Laem Chabang, Chiang Mai
- Vietnam: Ho Chi Minh City, Hanoi, Da Nang, Haiphong
- Philippines: Manila, Cebu, Davao, Batangas
- Bangladesh: Dhaka, Chittagong, Khulna
- Pakistan: Karachi, Lahore, Islamabad, Faisalabad
- Taiwan: Taipei, Kaohsiung, Taichung
- Myanmar: Yangon, Mandalay
- Sri Lanka: Colombo, Kandy
- Kazakhstan: Nur-Sultan, Almaty, Atyrau
- Uzbekistan: Tashkent, Samarkand, Bukhara
- Jordan: Amman, Irbid, Zarqa
- Lebanon: Beirut, Tripoli
- Mongolia: Ulaanbaatar, Erdenet
- Nepal: Kathmandu, Biratnagar
- Yemen: Sana'a, Aden
- South Africa: Johannesburg, Durban, Cape Town, Sasolburg (Key AS 347H Exporter)
- Nigeria: Lagos, Port Harcourt, Abuja, Kano (Reliable AISI 347H Exporter)
- 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
- Tunisia: Tunis, Sfax
- Ethiopia: Addis Ababa, Dire Dawa
- Australia: Sydney, Melbourne, Perth, Brisbane, Darwin, Adelaide (Trusted AS 1449 347H Manufacturer)
- New Zealand: Auckland, Wellington, Christchurch
- Papua New Guinea: Port Moresby, Lae
- Fiji: Suva, Nadi
- Zambia: Lusaka, Ndola
- Zimbabwe: Harare, Bulawayo
- Namibia: Windhoek, Walvis Bay
- Democratic Republic of Congo: Kinshasa, Lubumbashi
- Cote d'Ivoire: Abidjan
- Senegal: Dakar
- Mali: Bamako
- Malawi: Lilongwe, Blantyre
- Mauritius: Port Louis
- Reunion: Saint-Denis
Get a Quote Today for Your Stainless Steel AISI 347H Bar Requirements!
Are you searching for the most competitive AISI 347H Exporter price or need guaranteed ASTM A276 347H certification (including ASME SA276 347H, ASTM A240 347H, ASTM A182 347H, EN 10088-3, EN 1.4961)? Contact Dipti Metal Industries, your expert ASTM A276 AISI 347H Manufacturer and AISI 347H Wholesaler in Mumbai, India, today. We provide full documentation and the best DIPTI® AISI 347H Supplier solutions, also serving as an UNS S34709 Stockiest.
Important: When requesting a quote, please specify the required AISI 347H Shape (e.g., Round, Square, Hex), dimensions (OD/side, length), finish (Hot Rolled / Cold Drawn), and quantity to our AISI 347H Manufacturers in India.
Stainless Steel ASTM A276 / AISI 347H Bars — Frequently Asked Questions
Find answers to common questions about AISI 347H Manufacturer production, grades (UNS S34709, EN 1.4961), standards (ASTM A276, ASME SA276), and applications.
AISI 347H (UNS S34709 / EN 1.4961) Stainless Steel is a high-carbon, Niobium (Columbium)-stabilized austenitic grade, specifically engineered for superior strength and creep resistance at elevated temperatures (above 500°C / 932°F). The Niobium stabilization also provides excellent resistance to sensitization and intergranular corrosion after welding or prolonged high-temperature exposure. As an AISI 347H Manufacturer, we ensure these properties in every bar we supply, adhering to standards like DIN 17440 347H and JIS SUS347H.
AISI 347H is designed for service temperatures exceeding 500°C (932°F) due to its controlled higher carbon content (0.04-0.10%) for enhanced creep strength, combined with Niobium stabilization for weld decay resistance. This makes it superior to 304/304L/316/316L for prolonged high-temperature exposure and offers improved creep rupture strength over standard 347. It's ideal for critical high-temperature, welded components in furnaces, pressure vessels, and aerospace. Our ASTM A276 347H Supplier recommends it for demanding environments, making us a trusted UNS S34709 Supplier.
DIPTI Metal Industries, an established ASTM A276 347H Supplier and UNS S34709 Stockiest, supplies AISI 347H bars in various profiles including Round Bars, Square Bars, and Hexagonal Bars, as well as Rods. Finishes typically include Hot Finished and Cold Drawn, catering to different precision and surface quality requirements for high-temperature components. We are a prominent 347H Round Bar Supplier and 347H Hex Bar Exporter, also offering ASME SA276 347H compliant products.
AISI 347H (UNS S34709) is widely recognized globally. Key equivalents include EN 1.4961 (Europe), X7CrNiNb18-10 (Germany/EN), and high-carbon variants of 347H S31 (UK). It adheres to specifications like ASTM A276, ASTM A240, ASTM A182 and ASME SA276, ASME SA240, ASME SA182, EN 10088-3, DIN 17440, BS 970, NF A35-573, JIS G4303, GB/T 1220, GOST 5632, UNI 6900, and AS 1449, ensuring global compliance from an EN 1.4961 Manufacturer and ASTM A276 347H Exporter.
Contact Dipti Metal Industries, Your AISI 347H Supplier & 347H Round Bar Manufacturer
Global export expertise: Seaworthy export packing • Line-wise bagging & tagging • Full documentation & TPI. We are a worldwide AISI 347H Exporter, a key AISI 347H Stockiest, and leading AISI 347H Manufacturers in India in Mumbai, providing products compliant with ASTM A276 347H, ASME SA276 347H, UNS S34709, and EN 1.4961 standards.