DIPTI METAL INDUSTRIES
ASTM B366 WP904L UNS N08904 Butt Weld Pipe Fittings - Premier Global Manufacturer, Largest Stockist, Top Supplier & Worldwide Exporter
DIPTI METAL INDUSTRIES is your dedicated and premier global ASTM B366 WP904L manufacturer, the largest UNS N08904 stockist, a top ASTM B366 WP904L supplier, and a worldwide UNS N08904 exporter of premium ASTM B366 WP904L Butt Weld Pipe Fittings. We specialize in providing high-integrity fittings crafted from UNS N08904 (commonly known as 904L Stainless Steel or W. Nr. 1.4539). This high-alloy austenitic stainless steel, with high chromium, nickel, molybdenum, and copper content, is renowned for its excellent corrosion resistance, particularly to sulfuric acid and a wide range of chlorides. It offers superior resistance to pitting, crevice corrosion, and stress-corrosion cracking compared to conventional stainless steels, making it ideal for aggressive chemical processing, pollution control, and marine environments. Our commitment ensures every fitting is supplied with all international certifications and all test certificates, offering full material traceability via mandatory EN 10204 3.1 Mill Test Certificates (MTCs). With an extensive inventory available in various forms, sizes, and schedules, we guarantee immediate availability, competitive pricing, and efficient worldwide deliveries to meet the most demanding project requirements across critical industries.
ASTM B366 WP904L: High-Performance UNS N08904 Butt Weld Pipe Fittings
DIPTI METAL INDUSTRIES is a distinguished global ASTM B366 WP904L manufacturer, largest UNS N08904 stockist, and worldwide UNS N08904 exporter of ASTM B366 WP904L Butt Weld Pipe Fittings. The "WP" in WP904L stands for "Wrought Pipe," indicating fittings produced from wrought materials, ensuring superior structural integrity and reliability. "904L" designates the material as UNS N08904 (commonly known as 904L Stainless Steel or W. Nr. 1.4539), a high-alloy austenitic stainless steel.
UNS N08904 (904L Stainless Steel / W. Nr. 1.4539)
UNS N08904, or 904L Stainless Steel, is a non-stabilized, low-carbon, high-alloy austenitic stainless steel. Its impressive corrosion resistance is primarily attributed to its high chromium (20-22%), nickel (23-28%), molybdenum (4.0-5.0%), and copper (1.0-2.0%) content. This chemical composition provides a high Pitting Resistance Equivalent Number (PREN) typically around 35, making it significantly more resistant to localized corrosion than standard 300 series stainless steels. It is particularly effective in environments containing sulfuric acid. Key properties include:
- Excellent Sulfuric Acid Resistance: Specifically designed for enhanced resistance to sulfuric acid in various concentrations and temperatures.
- High Resistance to Chloride Pitting & Crevice Corrosion: Offers superior performance in highly aggressive chloride-containing environments.
- Good Resistance to Stress-Corrosion Cracking (SCC): Provides improved resistance compared to many other austenitic stainless steels in chloride-bearing solutions.
- Good General Corrosion Resistance: Effective against a wide range of organic and inorganic acids, as well as alkaline solutions.
- Good Weldability & Formability: Easily fabricated using standard stainless steel practices.
Our ASTM B366 WP904L fittings ensure robust and reliable connections, maintaining system integrity in critical process piping where high resistance to sulfuric acid, chlorides, and localized corrosion is paramount.
Key Features & Benefits of ASTM B366 WP904L / UNS N08904 Fittings
- Excellent Sulfuric Acid Resistance: Ideal for applications involving sulfuric acid at various concentrations.
- Superior Resistance to Chloride Pitting & Crevice Corrosion: Performs well in seawater and other high-chloride industrial solutions.
- High Resistance to Stress-Corrosion Cracking (SCC): Ensures reliability in chloride-rich environments.
- High Alloy Content (Cr, Ni, Mo, Cu): Provides a broad spectrum of corrosion protection and enhanced stability.
- All International Certifications: Supplied with comprehensive documentation, ensuring compliance with global standards.
- Full Material Traceability: Every fitting is backed by EN 10204 3.1 MTCs, guaranteeing quality and origin.
ASTM B366 WP904L UNS N08904 Butt Weld Pipe Fittings Product Range
DIPTI METAL INDUSTRIES offers a comprehensive array of ASTM B366 WP904L UNS N08904 Butt Weld Pipe Fittings to meet diverse piping system requirements. Our extensive inventory ensures we can supply fittings in various types, sizes, and schedules.
Types of ASTM B366 WP904L Butt Weld Pipe Fittings:
- ASTM B366 WP904L Elbows: 45° Elbow, 90° Elbow (Long Radius/Short Radius), 180° Return Bend (Long Radius/Short Radius)
- ASTM B366 WP904L Tees: Equal Tee, Reducing Tee
- ASTM B366 WP904L Reducers: Concentric Reducer, Eccentric Reducer
- ASTM B366 WP904L Caps: ASTM B366 WP904L Pipe End Caps
- ASTM B366 WP904L Stub Ends: ASTM B366 WP904L Lap Joint Stub Ends
- ASTM B366 WP904L Crosses: Equal Cross, Reducing Cross
- ASTM B366 WP904L Laterals: 45° Lateral, Reducing Lateral
Manufacturing Capabilities & Specifications:
- Size Range: From ½" NB to 48" NB (Nominal Bore) for seamless and welded fittings.
- Schedules: SCH 5S, SCH 10S, SCH 40S, SCH 80S, SCH 10, SCH 20, SCH 30, SCH STD, SCH 40, SCH 60, SCH XS, SCH 80, SCH 100, SCH 120, SCH 140, SCH 160, SCH XXS, and custom schedules.
- Forms: Seamless (for smaller sizes) and Welded (for larger sizes).
- Manufacturing Standard: ASTM B366, ASME B16.9 (Dimensional Standard for Wrought Butt Welding Fittings).
- Material Grade: WP904L (UNS N08904 / 904L Stainless Steel / W. Nr. 1.4539).
ASTM B366 WP904L / UNS N08904 Fittings: Specifications & Equivalent Grades
Our ASTM B366 WP904L Butt Weld Pipe Fittings conform to rigorous international standards, ensuring compatibility and reliability for global applications. ASTM B366 is the standard specification for factory-made wrought nickel alloy fittings, while WP904L refers to the highly corrosion-resistant super-austenitic stainless steel UNS N08904 (904L Stainless Steel).
| Specification | Description | Material Grade (WP904L) |
|---|---|---|
| ASTM B366 | Standard Specification for Factory-Made Wrought Nickel Alloy Fittings | WP904L (UNS N08904) |
| ASME B16.9 | Factory-Made Wrought Butt Welding Fittings (Dimensional Standard) | N/A (Dimensional Standard) |
| ASME SB366 | Boiler and Pressure Vessel Code, Section II, Part A - Ferrous Material Specifications (Equivalent to ASTM B366) | WP904L (UNS N08904) |
| UNS | Unified Numbering System for Metals and Alloys | N08904 |
| WNR (Werkstoff-Nummer) | German Material Number | 1.4539 |
| Trade Names | Common Industry Names | 904L Stainless Steel, Uranus B6 |
Note: Specific chemical composition and mechanical properties are defined by the raw material standards (e.g., ASTM B625 for plate/sheet/strip, ASTM B673/B674/B677 for pipe/tube, ASTM B649 for bar/rod for UNS N08904) from which these fittings are manufactured. Our MTCs will provide precise details.
Typical Applications for ASTM B366 WP904L / UNS N08904 Fittings
The excellent corrosion resistance of UNS N08904 (904L Stainless Steel) to sulfuric acid and chlorides makes ASTM B366 WP904L Butt Weld Pipe Fittings indispensable in a wide range of demanding industrial applications:
- Chemical Processing: Sulfuric acid plants, phosphoric acid production, acetic acid production, and systems handling other aggressive chemicals with high chloride content.
- Pollution Control Equipment: Flue Gas Desulfurization (FGD) systems, scrubbers, and other components exposed to corrosive wet flue gases.
- Marine & Offshore: Seawater cooling systems, heat exchangers, piping, and components exposed to corrosive seawater and brackish water.
- Pulp & Paper Industry: Bleaching systems and other areas exposed to high chloride and low pH conditions.
- Food Processing & Pharmaceutical: Equipment requiring high corrosion resistance to various acids and cleaning solutions, ensuring product purity.
- Oil & Gas Industry: Components for heat exchangers and piping in environments with moderate chloride and acid exposure.
Uncompromising Quality Assurance & Certifications
Quality is the cornerstone of DIPTI METAL INDUSTRIES. We are a top supplier and manufacturer committed to operating under stringent ISO 9001 certified quality management systems, ensuring that every ASTM B366 WP904L Butt Weld Pipe Fitting leaving our facility is fully traceable and meets the highest industry benchmarks. Our commitment to quality extends from meticulous sourcing of UNS N08904 raw materials to precise manufacturing and secure delivery, guaranteeing fittings that perform reliably in the most demanding applications.
- All International Certifications & Test Certificates: Every product is supplied with all mandatory international certifications and all test certificates, including EN 10204 3.1 Mill Test Certificates (MTCs). These verify chemical composition, mechanical properties, and full compliance directly from the manufacturer, a key aspect of our certified quality for ASTM B366 WP904L fittings.
- Rigorous Testing & Inspection: Products undergo comprehensive visual and dimensional inspections, with additional Non-Destructive Testing (NDT) such as Ultrasonic Testing (UT), Eddy Current Testing (ET), Penetrant Testing (PT), and Radiographic Testing (RT) available. Positive Material Identification (PMI) is highly recommended and available, ensuring our high-alloy austenitic stainless steel fittings meet specifications for extreme conditions.
- Third-Party Inspection (TPI): We facilitate inspections by world-renowned third-party agencies like TUV, Bureau Veritas (BV), Lloyd's Register (LR), SGS, and DNV to provide an additional layer of assurance and compliance verification, reinforcing our position as a leading global manufacturer and exporter of reliable ASTM B366 WP904L fittings.
- Industry-Specific Compliance: We routinely supply materials with compliance to major industry standards for applications involving aggressive acids, high-chloride environments, and marine service, ensuring our specialty 904L Stainless Steel fittings are fit for purpose.
Global Export Network: Worldwide Distributor & Exporter
DIPTI METAL INDUSTRIES is a proud Worldwide Exporter, leading Global Supplier, Top Dealer, and major Stockist of ASTM B366 WP904L UNS N08904 Butt Weld Pipe Fittings, with an extensive and robust international network. We ensure timely and compliant delivery of our premium products to major industrial hubs and commercial/utility markets across the globe, with a strong focus on critical chemical processing, pollution control, and marine sectors worldwide, solidifying our position as a top international trading partner for these specialized UNS N08904 fittings.
Explore Our ASTM B366 WP904L Extensive Global Reach
- Netherlands: Rotterdam, Amsterdam (Primary for Marine & Offshore, Chemical Processing)
- Norway: Oslo, Bergen, Stavanger (Key for Oil & Gas & Marine Service)
- United Kingdom: London, Glasgow, Aberdeen, Southampton (Primary for Chemical, Oil & Gas, Power Generation)
- Germany: Hamburg, Berlin, Munich, Frankfurt (Key for Industrial Manufacturing, Chemical Processing, Power Generation)
- Spain: Valencia, Barcelona, Madrid, Bilbao (Key for Industrial & Marine, Manufacturing)
- France: Marseille, Le Havre, Paris, Toulouse (Key for Chemical, Power Generation, Aerospace)
- Italy: Genoa, Trieste, Milan, Naples (Key for Industrial, Power Generation)
- Greece: Piraeus, Thessaloniki, Athens (Key for Shipping Industry)
- Finland: Helsinki, Turku (Key for Industrial, Marine)
- Poland: Gdansk, Szczecin, Warsaw (Key for Industrial, Manufacturing)
- Sweden: Gothenburg, Stockholm (Industrial, Power Generation)
- Denmark: Copenhagen (Industrial, Marine)
- Belgium: Antwerp, Brussels (Chemical, Logistics)
- Portugal: Lisbon, Porto (Industrial, Marine)
- Turkey: Istanbul, Izmir (Industrial, Manufacturing)
- Austria: Vienna, Graz (Industrial, Manufacturing)
- Switzerland: Zurich, Geneva (Industrial, High-Tech)
- Ireland: Dublin, Cork (Pharmaceutical, Chemical)
- Czech Republic: Prague, Brno (Industrial, Manufacturing)
- Hungary: Budapest, Debrecen (Industrial, Manufacturing)
- Romania: Bucharest, Constanta (Industrial, Petrochemical)
- Bulgaria: Sofia, Varna (Industrial, Manufacturing)
- Serbia: Belgrade, Novi Sad (Industrial, Manufacturing)
- Croatia: Zagreb, Split (Industrial, Marine)
- Slovenia: Ljubljana, Maribor (Industrial)
- Slovakia: Bratislava, Kosice (Industrial, Manufacturing)
- Lithuania: Vilnius, Kaunas (Industrial, Manufacturing)
- Latvia: Riga, Daugavpils (Industrial, Manufacturing)
- Estonia: Tallinn, Tartu (Industrial, Manufacturing)
- Cyprus: Nicosia, Limassol (Industrial, Marine)
- Malta: Valletta, Birkirkara (Marine, Industrial)
- UAE: Dubai, Abu Dhabi, Sharjah (Primary for Oil & Gas, Industrial, Petrochemical, Desalination)
- Saudi Arabia: Jubail, Dammam, Jeddah, Riyadh (Primary for Oil & Gas, Petrochemical, Desalination, Infrastructure)
- Qatar: Doha, Ras Laffan (Primary for Oil & Gas, Petrochemical & Desalination)
- Kuwait: Kuwait City, Ahmadi (Primary for Oil & Gas, Petrochemical & Desalination)
- Oman: Sohar, Muscat, Salalah (Primary for Oil & Gas, Petrochemical & Desalination)
- Singapore: Singapore City (Key for Petrochemical, Marine, Industrial Logistics)
- South Korea: Busan, Ulsan, Seoul (Primary for Shipbuilding, Petrochemical, Industrial)
- Japan: Tokyo, Osaka, Nagoya, Kobe (Primary for Industrial Manufacturing, Power Generation, Electronics)
- China: Shanghai, Guangzhou, Beijing, Shenzhen (Key for Industrial, Manufacturing, Chemical Processing, Electronics)
- Indonesia: Jakarta, Balikpapan, Surabaya (Key for Oil & Gas, Petrochemical, Energy)
- Malaysia: Kuala Lumpur, Port Klang, Johor Bahru (Key for Oil & Gas, Manufacturing, Marine)
- India: Mumbai, Chennai, Visakhapatnam, Delhi, Bangalore (Local Markets - Major Industrial & Petrochemical Demand)
- Thailand: Bangkok, Laem Chabang (Key for Industrial & Petrochemical Infrastructure)
- Philippines: Manila, Cebu, Batangas (Key for Industrial, Manufacturing)
- Vietnam: Ho Chi Minh City, Hanoi (Industrial, Manufacturing)
- Bangladesh: Dhaka, Chittagong (Industrial, Shipbuilding)
- Hong Kong: Hong Kong (Financial, Logistics, Manufacturing)
- Taiwan: Taipei, Kaohsiung (Electronics, Manufacturing)
- Sri Lanka: Colombo, Kandy (Industrial, Marine)
- Kazakhstan: Nur-Sultan, Almaty (Oil & Gas, Mining)
- Uzbekistan: Tashkent, Samarkand (Industrial, Mining)
- Jordan: Amman, Aqaba (Industrial, Chemical)
- Lebanon: Beirut, Tripoli (Industrial, Marine)
- Bahrain: Manama, Riffa (Oil & Gas, Petrochemical)
- USA: Houston, New Orleans, Los Angeles, Seattle, Chicago, New York (Primary Market for Oil & Gas, Power Generation, Chemical Processing, Electronics)
- Canada: Halifax, Vancouver, Toronto, Montreal (Key for Oil & Gas, Marine, Industrial, Mining)
- Mexico: Veracruz, Altamira, Mexico City (Key for Industrial, Manufacturing, Petrochemical)
- Brazil: Rio de Janeiro, Santos, São Paulo (Key for Oil & Gas, Petrochemical & Marine Infrastructure)
- Argentina: Buenos Aires, Rosario (Key for Industrial, Energy Projects)
- Chile: Valparaíso, San Antonio, Santiago (Key for Mining, Industrial)
- Peru: Callao, Lima (Key for Mining, Industrial)
- Colombia: Cartagena, Barranquilla (Oil & Gas, Industrial)
- Ecuador: Guayaquil, Quito (Oil & Gas, Industrial)
- Venezuela: Caracas, Maracaibo (Oil & Gas)
- Bolivia: La Paz, Santa Cruz (Mining, Industrial)
- Uruguay: Montevideo, Salto (Industrial)
- Egypt: Port Said, Alexandria, Cairo (Key for Oil & Gas, Industrial & Desalination)
- Nigeria: Lagos, Port Harcourt (Primary for Oil & Gas & Industrial Infrastructure)
- South Africa: Cape Town, Durban, Johannesburg (Key for Industrial, Mining, Petrochemical)
- Algeria: Algiers, Oran (Key for Oil & Gas & Desalination)
- Morocco: Casablanca, Tangier (Industrial, Manufacturing)
- Ghana: Accra, Kumasi (Oil & Gas, Industrial)
- Kenya: Nairobi, Mombasa (Industrial, Manufacturing)
- Tanzania: Dar es Salaam, Arusha (Industrial, Mining)
- Angola: Luanda, Lobito (Oil & Gas)
- Mozambique: Maputo, Beira (Industrial, Mining)
- Australia: Perth, Brisbane, Sydney, Melbourne (Primary for Mining, Oil & Gas & Marine Infrastructure)
- New Zealand: Auckland, Wellington, Christchurch (Key for Industrial, Marine)
Why Choose Dipti Metal Industries for ASTM B366 WP904L / UNS N08904 Fittings? Your Global Advantage
- Premier Global ASTM B366 WP904L Manufacturer & Comprehensive Expertise: As a leading global ASTM B366 WP904L manufacturer, major global UNS N08904 stockist, top dealer, biggest ASTM B366 WP904L distributor, and worldwide UNS N08904 exporter from Mumbai, we offer unparalleled expertise in producing and supplying durable, certified ASTM B366 WP904L UNS N08904 Butt Weld Pipe Fittings for critical applications globally.
- Uncompromising Quality, Precision, & Traceability: Our fittings are manufactured under strict ISO 9001 certified processes, utilizing premium UNS N08904 raw materials and precise techniques. We guarantee conformity to ASTM B366, ASME B16.9, and other international standards. Every order comes with full material traceability via comprehensive EN 10204 3.1 Mill Test Certificates (MTCs) and all international test certificates.
- Certified for Superior Performance & Compliance: Our WP904L fittings are rigorously tested and certified to meet the highest safety and performance standards for applications requiring exceptional resistance to sulfuric acid, chlorides, pitting, crevice corrosion, and stress-corrosion cracking. We routinely provide products with compliance to major industry and marine classification societies where required.
- Largest Product Range & Broad Specifications: We offer the largest, biggest, and most comprehensive inventory of ASTM B366 WP904L Butt Weld Pipe Fittings, including Elbows, Tees, Reducers, Caps, and Stub Ends, in an extensive array of sizes (½" NB to 48" NB) and schedules. This vast selection allows for bespoke solutions that perfectly match your exact system requirements.
- Expert Technical Support: Our experienced team provides expert consultation on material selection, appropriate fitting types, size and schedule selection, and compliance requirements to best suit your specific application and operational conditions, especially for aggressive acidic and high-chloride environments. We are your top supplier for guidance through the selection process.
- Efficient Global Export & Logistics: As a dedicated worldwide exporter, Dipti Metal Industries guarantees efficient and reliable global delivery for custom and standard ASTM B366 WP904L fittings. We ensure secure, robust export packaging and streamlined customs clearance, facilitating timely project completion across all continents.
- Competitive Pricing & Superior Long-Term Value: Leveraging our integrated manufacturing capabilities, strategic sourcing of premium UNS N08904, and efficient production processes, we consistently deliver high-quality WP904L fittings at competitive prices. Our products offer superior long-term value through enhanced durability, exceptional corrosion resistance, and operational efficiency in diverse industrial systems.
Get a Quote Today for Your ASTM B366 WP904L UNS N08904 Butt Weld Pipe Fittings!
Are you in search of reliable, certified, high-quality ASTM B366 WP904L Butt Weld Pipe Fittings for durable and high-integrity installations across various industrial environments, especially those involving sulfuric acid, aggressive chlorides, or localized corrosion? Contact Dipti Metal Industries, your expert leading manufacturer, largest global stockist, top supplier, premier dealer, biggest distributor, and worldwide exporter of UNS N08904 fittings from Mumbai, India, today. Our dedicated team is ready to discuss your specific fitting types (e.g., elbow, tee, reducer, cap), sizes, schedules, quantity, and any applicable quality standards (e.g., ASME B16.9, NDT requirements).
Typical dispatch: 15–45 days (project-dependent).
Frequently Asked Questions About ASTM B366 WP904L / UNS N08904 Fittings
ASTM B366 is the standard specification for factory-made wrought nickel alloy fittings. WP904L specifically refers to "Wrought Pipe" made from UNS N08904 (904L Stainless Steel / W. Nr. 1.4539), a high-alloy austenitic stainless steel. This designation ensures high quality and excellent corrosion resistance for butt weld pipe fittings, particularly in environments containing sulfuric acid and chlorides.
UNS N08904 fittings, also known as 904L Stainless Steel, offer superior corrosion resistance, particularly to sulfuric acid, and excellent resistance to chloride pitting, crevice corrosion (with a PREN value typically around 35), and stress-corrosion cracking. Their high chromium, nickel, molybdenum, and copper content makes them highly suitable for aggressive acidic and high-chloride environments found in chemical processing, pollution control, and marine industries.
DIPTI METAL INDUSTRIES is a largest stockist and top supplier of a wide range of ASTM B366 WP904L butt weld fittings including Elbows (45°, 90°, 180°), Equal Tees, Reducing Tees, Concentric Reducers, Eccentric Reducers, End Caps, and Lap Joint Stub Ends. These are available in various sizes from ½" NB to 48" NB and all standard and custom schedules (e.g., SCH 10S, SCH 40S, SCH STD, SCH XS).
We adhere to stringent ISO 9001 certified quality management systems. All our ASTM B366 WP904L fittings come with all international certifications and all test certificates, including mandatory EN 10204 3.1 Mill Test Certificates (MTCs), ensuring full material traceability. We also offer extensive Non-Destructive Testing (NDT) like UT, ET, PT, RT, and Positive Material Identification (PMI), and facilitate Third-Party Inspection (TPI) by leading agencies like TUV, BV, LR, SGS, and DNV.
These fittings are widely used in industries requiring high corrosion resistance to sulfuric acid and chlorides. Key sectors include chemical processing, pollution control (FGD scrubbers), marine and offshore (seawater systems), pulp and paper, food processing, pharmaceutical, and some oil & gas applications.
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