Stainless Steel 904L Fittings: Unmatched Quality and Performance

At Amardeep Steel Centre LLP, we take pride in offering high-quality stainless steel products, including 904L stainless steel fittings. Known for their exceptional corrosion resistance, high strength, and superior performance, these fittings are a preferred choice across various industries. Whether you are dealing with highly corrosive environments or require materials that can withstand extreme conditions, stainless steel 904L fittings are engineered to meet your needs.

What is 904L Stainless Steel Fittings?

Stainless steel 904L fittings are made from a high-alloy austenitic stainless steel known for its excellent resistance to corrosion in harsh environments. The alloy contains high amounts of chromium, nickel, and molybdenum, which provide it with unique properties that make it ideal for fittings. 904L grade stainless steel fittings are extensively used in industries such as chemical processing, petrochemicals, pharmaceuticals, and many others that demand high performance and longevity.

Stainless Steel 904L Fittings

Properties 904L Stainless Steel Fittings

The properties of stainless steel 904L fittings make them stand out among other stainless steel grades. Key properties include:

  1. Corrosion Resistance: 904L fittings exhibit excellent resistance to a wide range of corrosive environments, including sulfuric acid, phosphoric acid, and other strong acids. This makes them ideal for use in chemical processing plants where aggressive chemicals are present.
  2. High Durability and Strength: Despite their superior corrosion resistance, 904L grade stainless steel fittings maintain high tensile strength and toughness, even at elevated temperatures. This makes them suitable for applications where both corrosion resistance and strength are critical.
  3. Excellent Weldability and Formability: These fittings are highly weldable using most standard welding processes, making them easy to fabricate and install in complex piping systems. They also offer excellent formability, which means they can be easily molded into various shapes without compromising their integrity.
  4. Resistance to Stress Corrosion Cracking: Thanks to their high nickel content, 904L stainless steel fittings have a low susceptibility to stress corrosion cracking, a common issue in other stainless steel grades when exposed to chloride environments.
  5. Low Carbon Content: The low carbon content in 904L fittings reduces the risk of carbide precipitation during welding, which otherwise can lead to intergranular corrosion.
  6. Non-Magnetic Nature: In the annealed condition, 904L stainless steel fittings are non-magnetic, which can be beneficial in applications where non-magnetic materials are required.

Advantages of 904L Stainless Steel Fittings

904L stainless steel fittings offer numerous advantages, making them the preferred choice for critical applications:

  • Superior Corrosion Resistance: The alloy’s high chromium and molybdenum content ensures superior resistance to both pitting and crevice corrosion in chloride environments. This makes them highly suitable for use in seawater and other aggressive environments.
  • Long Service Life: Due to their resistance to various forms of corrosion, stainless steel 904L fittings provide a longer service life compared to other stainless steel grades, reducing maintenance costs and downtime.
  • Versatility in Applications: These fittings are used in various applications, including chemical processing, oil and gas refining, pollution control equipment, and marine environments, showcasing their versatility.
  • Ease of Fabrication and Installation: The excellent formability and weldability of 904L stainless steel fittings make them easy to manufacture and install, ensuring seamless integration into existing systems.
  • Cost-Effective in the Long Run: While the initial investment in 904L fittings might be higher than other materials, their durability and low maintenance needs make them a cost-effective solution over time.
SS 904L Fittings
904L Stainless Steel Fittings

Schedule and Size Chart

Nominal Pipe Size (NPS) Schedule Wall Thickness (inches) Outside Diameter (OD) (inches)
1/8″ SCH 10 0.049 0.405
1/4″ SCH 40 0.088 0.540
1/2″ SCH 80 0.147 0.840
3/4″ SCH 40 0.113 1.050
1″ SCH 80 0.179 1.315
1-1/2″ SCH 40 0.145 1.900
2″ SCH 40 0.154 2.375
4″ SCH 80 0.337 4.500
6″ SCH 40 0.280 6.625
8″ SCH 80 0.500 8.625
10″ SCH 40 0.365 10.750

Mechanical Properties Chart

Property Value
Tensile Strength (MPa) 490 – 680
Yield Strength 0.2% Proof (MPa) 220
Elongation (%) 35
Hardness (Brinell) 170 max
Modulus of Elasticity (GPa) 195
Impact Toughness (J) > 100

Specifications Chart

Standard Specification
ASTM A403 (Pipe Fittings), B366 (Wrought Fittings)
ASME B16.9, B16.11, B16.28
EN 10253-4
DIN 1.4539
UNS N08904
ISO 15510

Chemical Composition Chart

Element Composition (%)
Carbon (C) 0.020 max
Chromium (Cr) 19.0 – 23.0
Nickel (Ni) 23.0 – 28.0
Molybdenum (Mo) 4.0 – 5.0
Copper (Cu) 1.0 – 2.0
Manganese (Mn) 2.0 max
Silicon (Si) 1.0 max
Phosphorus (P) 0.045 max
Sulfur (S) 0.035 max
Iron (Fe) Balance

Physical Properties Chart

Property Value
Density (g/cm³) 8.0
Melting Point (°C) 1350 – 1390
Thermal Conductivity (W/m·K) 12.0 at 20°C
Electrical Resistivity (µΩ·m) 94 at 20°C
Specific Heat (J/kg·K) 450
Coefficient of Expansion (µm/m·K) 15.8 (20 – 100°C)

Application Chart

Industry Application
Chemical Processing Used in acid production and processing equipment.
Oil and Gas Refinery equipment, piping systems, and seawater handling.
Pharmaceutical For equipment where hygiene and corrosion resistance are critical.
Marine Marine components and fittings resistant to seawater.
Pollution Control Flue gas desulfurization systems and environmental control.
Power Generation For handling corrosive fluids and gases.
Food Processing Equipment that requires high purity and corrosion resistance.

Why Choose Amardeep Steel Centre LLP for 904L Stainless Steel Fittings?

At Amardeep Steel Centre LLP, we are committed to providing high-quality SS 904L fittings that meet the stringent demands of various industries. Our fittings are manufactured using state-of-the-art technology and stringent quality control measures to ensure that they meet international standards.

  • Quality Assurance: We adhere to the highest quality standards to ensure our products perform reliably in the most demanding conditions.
  • Wide Range of Products: We offer a comprehensive range of fittings, including elbows, tees, reducers, caps, and more, to cater to diverse industrial requirements.
  • Custom Solutions: Our team can provide custom fabrication services to meet specific project requirements, ensuring that you get the exact fittings needed for your application.
  • Competitive Pricing: We offer competitive prices without compromising on quality, ensuring you get the best value for your investment.
  • Timely Delivery: With a robust logistics network, we ensure timely delivery of your orders, no matter the size or complexity.

904L SS fittings are an excellent choice for industries that require materials with high resistance to corrosion and superior strength. At Amardeep Steel Centre LLP, we are dedicated to providing top-quality SS 904L fittings that not only meet but exceed industry standards. Trust us for reliable, durable, and high-performing fittings that can withstand the harshest conditions.

Global Reach

Amardeep Steel Centre boasts a robust global presence, committed to delivering unparalleled service and quality to clients around the world. Our dedication to prompt delivery and exceptional customer care sets us apart in the industry. Major corporations across the USA, Europe, Asia, and other regions place their trust in our high-quality Stainless Steel 904L Fittings. This widespread trust underscores our reputation for reliability and excellence. By consistently meeting and exceeding the expectations of our international clientele, we continue to solidify our position as a leader in the global steel market.

Metal globe

Countries We Export To

UNITED STATES, EUROPE, UK, UAE, SAUDI ARABIA, OMAN, KUWAIT, JORDAN, QATAR, INDONESIA, MALAYSIA, BRAZIL, SPAIN, ITALY, FRANCE, GERMANY, BAHRAIN, SRI LANKA, AZERBAIJAN, AUSTRALIA, AUSTRIA, PHILIPPINES, TURKEY, RUSSIA, IRAN, IRAQ, CANADA, KOREA, JAPAN, YEMEN, FINLAND, ZIMBABWE, HUNGARY, PORTUGAL, VIETNAM, MOROCCO, THAILAND, SOUTH AFRICA, MEXICO, SINGAPORE, GREECE, KUWAIT, POLAND, NEW ZEALAND, SWEDEN, SWITZERLAND, BELGIUM, BHUTAN, BANGLADESH, TAIWAN, ROMANIA, CAMBODIA, KAZAKHSTAN, AFGHANISTAN.

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