Manufacturer of SS 904L Forged Pipe Fittings | Stainless Steel 904L | ASME SA 182 F904L UNS N08904 | ASTM A 182 F904L UNS N08904 | ASME B16.11

Alliance Pipes & Fittings: Largest Manufacturer of SS 904L Forged Fittings - ASME SA182 F904L N08904 / ASTM A182 F904L N08904 in Mumbai, India.

Alliance Pipes & Fittings, your trusted partner in premium quality stainless steel forged fittings, proudly stands as the largest manufacturer of SS 904L Forged Fittings in Mumbai, India. With unmatched expertise and a commitment to excellence, we specialize in producing ASME SA182 F904L N08904 / ASTM A182 F904L N08904 forged fittings that adhere to global quality standards. Our products are designed to ensure maximum reliability, corrosion resistance, and durability for the most demanding industrial applications.

We cater to a wide range of industries in Mumbai, Pune, and Dubai, offering solutions tailored to meet the unique requirements of clients across the globe. Whether you need forged fittings for chemical processing, marine, or oil and gas applications, our SS 904L Forged Fittings are the ideal choice for long-lasting performance.

Grade: Stainless Steel 904L
Specifications: ASME SA182 F904L, ASTM A182 F904L
UNS: N08904
EN: 1.4539
SUS: 904L

At Alliance Pipes & Fittings, we specialize in manufacturing premium-quality SS 904L Forged Fittings that adhere to international standards like ASME SA182 F904L N08904 / ASTM A182 F904L N08904. As the largest manufacturer in Mumbai, India, we cater to a wide range of industries in Mumbai, Pune, and Dubai, ensuring unmatched reliability, durability, and performance.

We offer a comprehensive range of SS 904L Forged Fittings including:

• Equal/Reducing Elbows
• Equal/Reducing Tees
• Concentric/Eccentric Reducers
• Full/Half Couplings
• Reducing Couplings
• Caps
• Equal/Reducing Cross
• Male/Female Unions
• Hex/Reducing/Flash Bushings
• Hex/Round/Square Head Plugs
• Pipe Nipples
• Hex Nipples
• Concentric/Eccentric Swage Nipples
• Reducer Inserts
• Welding Boss
• Thermowell Stub
• Laterals
• Street Elbows
• Outlets/Branch Connections:
  • Weldolets, Thredolets, Sockolets, Flexolets, Latrolets, Elbolets, Sweepolets, Nippolets, Brazolets, Coupolets

All products are manufactured in compliance with approved drawings and the following standards.

Our SS 904L Forged Fittings ASME SA182 F904L N08904 / ASTM A182 F904L N08904 are manufactured in compliance with globally recognized standards, including:

• ASME B16.11
• BS 3799
• BS EN 10241
• EN 10242
• MSS SP-79
• MSS SP-83
• MSS SP-95
• MSS SP-97
• Custom Drawings

Pressure Ratings:
Our SS 904L Forged Fittings are available in a variety of pressure ratings, including:

• 2000#
• 3000#
• 6000#
• 9000#

Sizes:
We offer fittings in sizes ranging from:

• 8 DN / 1/4” NPS to 100 DN / 4” NPS

End Connections:
End connection options include:

• Socket Welding (SW)
• NPT
• BSP
• Metric

• Unmatched Quality: All our SS 904L Forged Fittings are manufactured with precision and comply with ASME SA182 F904L N08904 and ASTM A182 F904L N08904 standards, ensuring exceptional reliability and performance.
• Advanced Technology: We utilize state-of-the-art machinery for manufacturing and rigorous testing to maintain the highest standards.
• ISO 9001 Certified: As an ISO 9001-certified company since 2006, we follow stringent quality control processes at every stage of production.
• Extensive Stock: Our large inventory of SS 904L Forged Fittings ensures ready availability to meet urgent project requirements.
• Global Exporter: As a trusted supplier, we deliver to industries in Mumbai, Pune, Dubai, and other international locations, meeting global demands with ease.
• Customer Focus: We provide tailored solutions to meet the specific requirements of your projects, ensuring complete satisfaction.

• Seamless Pipes: Manufactured to ASTM A312 TP 904L (UNS N08904) / ASME SA312 TP 904L (UNS N08904) and ASTM B677 UNS N08904 (SS 904L) / ASME SB677 UNS N08904 (SS 904L) standards.
• Electric Resistant Welded (ERW) Pipes: Conforming to ASTM A312 TP 904L (UNS N08904) / ASME SA312 TP 904L (UNS N08904) and ASTM B673 UNS N08904 (SS 904L) / ASME SB673 UNS N08904 (SS 904L) standards.
• Electric Fusion Welded (EFW) Pipes: Manufactured as per ASTM A358 TP 904L (UNS N08904) Class 1 / ASME SA358 TP 904L (UNS N08904) Class 1.

• Seamless Tubes: Available in compliance with ASTM A213 TP 904L (UNS N08904) / ASME SA213 TP 904L (UNS N08904), ASTM A269 TP 904L (UNS N08904) / ASME SA269 TP 904L (UNS N08904), and ASTM B677 UNS N08904 (SS 904L) / ASME SB677 UNS N08904 (SS 904L).
• Welded Tubes: Manufactured to ASTM A249 TP 904L / ASME SA249 TP 904L (UNS N08904), ASTM A269 TP 904L (UNS N08904) / ASME SA269 TP 904L (UNS N08904), and ASTM B674 UNS N08904 (SS 904L) / ASME SB674 UNS N08904 (SS 904L) standards.

• Sheets: Produced as per ASTM A240 TP 904L (UNS N08904) / ASME SA240 TP 904L (UNS N08904) standards.
• Plates: Available in compliance with ASTM A240 TP 904L (UNS N08904) / ASME SA240 TP 904L (UNS N08904).

• Forged Bars: Conforming to ASME SA182 F904L (UNS N08904) / ASTM A182 F904L (UNS N08904).
• Rolled Bars: Manufactured as per ASTM B649 UNS N08904 (SS 904L) / ASME SB649 UNS N08904 (SS 904L).
• Wires: Produced according to ASTM B649 UNS N08904 (SS 904L) / ASME SB649 UNS N08904 (SS 904L) standards.

• Forged Flanges: Manufactured to ASME SA182 F904L (UNS N08904) / ASTM A182 F904L (UNS N08904) standards.
• Plate Flanges: Produced as per ASTM A240 TP 904L (UNS N08904) / ASME SA240 TP 904L (UNS N08904).

• Forged Socket Welding (SW) Pipe Fittings: Manufactured in compliance with ASME SA182 F904L N08904 / ASTM A182 F904L N08904 standards.
• Forged Threaded (NPT & BSP) Pipe Fittings: Available as per ASME SA182 F904L (UNS N08904) / ASTM A182 F904L (UNS N08904).
• Seamless Butt Welding (BW) Pipe Fittings: Produced according to ASME SA403 WP 904L (UNS N08904) / ASTM A403 WP 904L (UNS N08904).
• Welded Butt Welding (BW) Pipe Fittings: Manufactured as per ASME SA403 WP N08904 (SS 904L) / ASTM A403 WP N08904 (SS 904L).

Alliance Pipes & Fittings is your reliable partner for all SS 904L forged fittings ASME SA182 F904L N08904 / ASTM A182 F904L N08904 needs. Contact us today for inquiries, stock availability, or to request a custom quote.

• Phone: +91-9152005400
• Email: sales@alliancefittings.net
• Website: www.alliancefittings.net

Stainless Steel 904L grade is a non-stabilised low carbon high alloy austenitic stainless steel. The addition of copper to this grade provides significantly improved resistance to strong reducing acids, especially sulphuric acid. It is also highly resistant to chloride attack, including pitting/crevice corrosion and stress corrosion cracking.

SS 904L is non-magnetic in all conditions and offers excellent weldability and formability. The austenitic structure also gives this grade exceptional toughness, even at cryogenic temperatures.

However, SS 904L does contain substantial amounts of high-cost ingredients like nickel and molybdenum. As a result, applications previously dominated by this grade, such as in certain piping systems and pollution control equipment, can now be performed by duplex stainless steel 2205 (S31803 or S32205) at a lower cost. Thus, 904L is used less frequently than in the past.

Omega SA experimented with SS 904L, or 'Uranus® B6 Steel', for their PloProf dive watches in 1971–72. This was inspired by French deep-sea diving company COMEX, who used this steel in their diving bells for its superior corrosion resistance in saltwater. In 1985, Rolex began utilizing 904L grade steel in their watches. Watch manufacturers, such as Rolex, prefer this variety of stainless steel not only for its corrosion resistance but also because it takes a higher polish than the more commonly used 316L stainless steel seen in brands like Seiko, Omega, and Tudor.

SS 904L Forged Fittings (ASME SA182 F904L N08904 / ASTM A182 F904L N08904) are commonly used in piping systems, pollution control equipment, heat exchangers, and bleaching systems, offering superior corrosion resistance for these challenging applications.

• Carbon: 0.02% Maximum
• Sulphur: 0.030% Maximum
• Phosphorus: 0.040% Maximum
• Manganese: 2.00% Maximum
• Silicon: 1.00% Maximum
• Chromium: 19.00% to 23.00%
• Nickel: 23.00% to 28.00%
• Molybdenum: 4.00% to 5.00%
• Copper: 1.00% to 2.00%
• Nitrogen: 0.10% Maximum
• Iron: Balance

The composition of SS 904L Forged Fittings ASME SA182 F904L N08904 / ASTM A182 F904L N08904 provides its outstanding resistance to corrosion and enhances its strength and toughness, making it a preferred material in highly demanding applications. It is widely used in piping systems, heat exchangers, and pollution control equipment.

• Yield Strength: 215 MPa minimum
• Ultimate Tensile Strength: 490 MPa minimum
• Elongation: 35.00% Minimum

The mechanical properties of SS 904L make it an ideal choice for industries requiring high strength, excellent corrosion resistance, and superior formability. These properties ensure that SS 904L Forged Fittings ASME SA182 F904L N08904 / ASTM A182 F904L N08904 provide reliable performance in critical applications across diverse industries.

Stainless steel 904L can be solution heat-treated at 1090 to 1175°C, followed by rapid cooling.

This heat treatment process enhances the material's properties, making it ideal for use in SS 904L Forged Fittings  ASME SA182 F904L N08904 ASTM A182 F904L N08904.

SS 904L Forged Fittings, ASME SA182 F904L N08904, and ASTM A182 F904L N08904 are highly regarded for their exceptional corrosion resistance, especially in environments containing sulphuric acid. Originally developed to combat the effects of this aggressive acid, SS 904L exhibits superior performance in a variety of challenging environments. A pitting resistance equivalent (PRE) of 35 ensures excellent resistance to warm seawater and high-chloride conditions. The high nickel content enhances its resistance to stress corrosion cracking, outperforming standard austenitic grades.

The addition of copper provides outstanding resistance to sulphuric acid and other reducing agents, particularly in mid-concentration ranges. While SS 904L's corrosion resistance falls between standard austenitic grades like 316L and highly alloyed grades such as 6% molybdenum super-austenitic steels in most environments, it demonstrates slightly lower resistance in aggressive nitric acid compared to molybdenum-free grades like 304L and 310L. For critical applications requiring maximum stress corrosion cracking resistance, solution treatment after cold working is recommended.

SS 904L Forged Fittings, ASME SA182 F904L N08904, and ASTM A182 F904L N08904 exhibit good resistance to oxidation, making them suitable for various industrial applications. However, like other highly alloyed grades, SS 904L can suffer from structural instability due to the precipitation of brittle phases, such as sigma, when exposed to elevated temperatures. For this reason, SS 904L should not be used in environments exceeding 550°C. Its design stress values, as specified in the ASME Boiler and Pressure Vessel Code, ensure reliable performance in applications up to 371°C.

SS 904L Forged Fittings, ASME SA182 F904L N08904, and ASTM A182 F904L N08904 can be successfully welded using all standard welding methods. However, due to its fully austenitic solidification, care must be taken to prevent hot cracking, especially in constrained weldments. Pre-heating is not required for welding this grade, and in most cases, post-weld heat treatment is also unnecessary. Additionally, AS 1554.6 prequalifies Grade 904L rods and electrodes for welding SS 904L, ensuring reliable and high-quality welds in demanding applications.

SS 904L Forged Fittings, ASME SA182 F904L N08904, and ASTM A182 F904L N08904 are high-purity, low-sulphur grades that are not optimized for machinability but can be effectively machined using standard techniques. The grade allows for bending to a small radius, typically performed cold, without requiring subsequent annealing in most cases. However, annealing should be considered for fabrications intended for environments prone to severe stress corrosion cracking, ensuring maximum performance and durability.

Corrosion Resistance: SS 904L Forged Fittings, ASME SA182 F904L N08904, and ASTM A182 F904L N08904 offer high resistance to pitting and crevice corrosion, making them ideal for use in chloride-rich environments.

Strength: These forged fittings exhibit exceptional mechanical properties and toughness, even at elevated temperatures, ensuring reliability in demanding applications.

Durability: The durability of SS 904L in acidic and saline environments ensures long-lasting performance, reducing maintenance costs and enhancing efficiency.

Versatility: Widely used in industries such as chemical processing, pharmaceuticals, oil & gas, and seawater equipment, these fittings are renowned for their adaptability and high performance in various applications.

SS 904L Forged Fittings, ASME SA182 F904L N08904, and ASTM A182 F904L N08904 are widely used in industries requiring superior corrosion resistance and mechanical strength. Their applications include:

• Acetic, Phosphoric, and Sulphuric Acid Processing Plants: SS 904L fittings offer exceptional resistance to acidic environments, making them ideal for use in these industries.
• Pharmaceutical Equipment: With high corrosion resistance and durability, SS 904L forged fittings ensure reliability in pharmaceutical manufacturing equipment.
• Wiring in Electrostatic Precipitators: These fittings provide robust performance in harsh environments such as those found in electrostatic precipitators.
• Oil Refinery Components: SS 904L is highly resistant to corrosion in oil refinery systems, ensuring long-term operational efficiency.
• Seawater Cooling Devices: SS 904L’s resistance to seawater and chloride-rich conditions makes it perfect for use in cooling systems.
• Gas Scrubbing Plants: SS 904L forged fittings are critical in gas scrubbing applications where high corrosion resistance is essential.
• Pulp and Paper Processing Industries: The alloy's resistance to acidic environments and toughness makes it a preferred choice for pulp and paper manufacturing.

The pricing for Stainless Steel 904L (SS 904L) Forged Fittings under specifications ASME SA182 F904L N08904 / ASTM A182 F904L N08904 depends on factors such as:

• Type of Fitting: Elbows, Tees, Couplings, Reducers, etc.
• Size and Dimensions: Varying sizes and dimensions impact pricing.
• Order Quantity: Bulk orders generally receive better pricing.

For a customized quote and detailed price list, please provide your specific requirements, including:

1. Fitting type(s)
2. Quantity required
3. Delivery location

Alliance Pipes & Fittings can provide competitive pricing along with quality assurance for SS 904L forged fittings. Please contact us directly for further assistance.

The weight of Stainless Steel 904L (SS 904L) Forged Fittings, including ASME SA182 F904L N08904 and ASTM A182 F904L N08904, depends on the type, size, and schedule of the fitting. The weight varies for different fittings, such as elbows, tees, reducers, and flanges. Below is a general guideline for calculating or referencing the weights of common forged fittings.

For a more detailed and accurate weight chart specific to your requirements, Alliance Pipes & Fittings can provide a readymade weight chart via email. Please feel free to reach out for customized weight charts or assistance with calculations for specific SS 904L forged fittings.

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