Stainless Steel 304H Fittings: High-Performance Solutions for Various Applications

Stainless steel 304H fittings are widely recognized for their superior strength, high temperature resistance, and durability, making them a preferred choice for various industrial applications. These fittings, made from 304H grade stainless steel, are specifically designed to withstand extreme conditions and provide reliable performance in environments requiring exceptional material strength.

What is 304H Stainless Steel Fittings?

304H stainless steel fittings are components manufactured from a higher carbon variant of the 304 stainless steel alloy, known as 304H. The “H” designation indicates a high carbon content, which enhances the strength and temperature resistance of the alloy. Stainless steel 304H fittings are commonly used in high-temperature applications such as heat exchangers, boilers, and chemical processing industries due to their superior creep resistance.

Stainless Steel Fittings

Properties of 304H Stainless Steel Fittings

304H stainless steel fittings are known for their unique set of properties that make them ideal for demanding applications:

  1. High-Temperature Resistance: The higher carbon content in 304H stainless steel provides excellent high-temperature strength, making these fittings suitable for environments up to 800°C.
  2. Corrosion Resistance: These fittings exhibit good resistance to general corrosion, including intergranular corrosion, pitting, and crevice corrosion in chloride environments.
  3. Enhanced Strength: The 304H grade offers higher tensile and yield strength compared to standard 304 fittings, ensuring durability under high-stress conditions.
  4. Good Weldability and Formability: 304H stainless steel is easy to weld and form, making it adaptable to complex configurations required in various applications.
  5. Oxidation Resistance: The chromium content in 304H provides excellent resistance to oxidation, which is crucial in high-temperature applications.
  6. Low Carbon Precipitation: The low carbon precipitation of 304H fittings reduces the risk of carbide precipitation during welding, preventing weakening of the joints.

Advantages of 304H Stainless Steel Fittings

Choosing 304H stainless steel fittings for your industrial needs comes with several advantages:

  1. Long-Lasting Performance: The high strength and corrosion resistance of 304H stainless steel fittings ensure a longer service life, reducing maintenance costs over time.
  2. Versatile Applications: These fittings are ideal for various applications, including chemical processing, petrochemical industries, heat exchangers, and more, thanks to their ability to withstand extreme temperatures and pressures.
  3. Cost-Effective: Despite the high initial cost, 304H stainless steel fittings prove cost-effective in the long run due to their durability, reduced downtime, and minimal maintenance requirements.
  4. Excellent Fabrication: The good formability and weldability of 304H stainless steel fittings make them easy to fabricate into complex shapes without compromising their integrity or performance.
  5. Superior Strength: The added carbon in 304H provides superior strength compared to other grades, ensuring the fittings can handle high-stress environments.
  6. Resistance to Thermal Fatigue: 304H fittings are resistant to thermal fatigue and creep, making them reliable in high-temperature environments where other materials may fail.
Stainless Steel 304H Fittings
SS 304H Fittings

Schedule and Size Chart

Size (Inches) Outside Diameter (OD) (mm) Wall Thickness (mm) Schedule No.
1/2 21.34 2.77 40
3/4 26.67 3.91 80
1 33.40 4.55 40
1-1/2 48.26 5.08 80
2 60.33 5.54 40
3 88.90 7.62 80
4 114.30 8.56 40
6 168.28 10.97 80
8 219.08 12.70 40
10 273.05 15.09 80
12 323.85 17.48 40

Mechanical Properties Chart

Property Value
Tensile Strength 515 MPa (75 ksi)
Yield Strength 205 MPa (30 ksi)
Elongation (% in 50mm) 40%
Hardness, Rockwell B 70 max
Modulus of Elasticity 193 GPa
Poisson’s Ratio 0.27 – 0.30
Density 8.0 g/cm³

Specifications Chart

Standard Specification Details
ASTM ASTM A403 / A403M
ASME ASME SA403 / SA403M
DIN DIN 1.4948
EN EN 10253-4
UNS UNS S30409
BS BS 3799
ANSI ANSI B16.9, ANSI B16.11

Chemical Composition Chart

Element Composition (%)
Carbon (C) 0.04 – 0.10
Manganese (Mn) 2.00 max
Silicon (Si) 0.75 max
Phosphorus (P) 0.045 max
Sulfur (S) 0.03 max
Chromium (Cr) 18.0 – 20.0
Nickel (Ni) 8.0 – 10.5
Nitrogen (N) 0.10 max
Iron (Fe) Balance

Physical Properties Chart

Property Value
Density 8.0 g/cm³
Melting Point 1400 – 1450°C
Thermal Conductivity 16.2 W/m·K (at 100°C)
Specific Heat 500 J/kg·K
Electrical Resistivity 0.072 x 10⁻⁶ Ω·m (at 20°C)
Coefficient of Expansion 17.2 µm/m·K (0-100°C)

Applications Chart

Industry/Field Application
Petrochemical Piping systems, heat exchangers
Chemical Processing Reactors, fittings in corrosive environments
Power Generation Boilers, turbines, high-temperature piping
Oil & Gas Offshore platforms, refineries
Food Processing High-temperature processing equipment
Pharmaceutical Clean piping systems, reactors
Automotive Exhaust systems, high-temp applications
Aerospace High-stress fittings, thermal applications

Why Choose Amardeep Steel Centre for Your 304H Stainless Steel Fittings?

At Amardeep Steel Centre, we pride ourselves on providing high-quality 304H stainless fittings that meet the rigorous demands of modern industries. Our fittings are manufactured using the latest technologies and adhere to strict quality standards to ensure optimal performance and reliability. Here’s why you should choose our 304H SS fittings:

  • Quality Assurance: Our fittings undergo stringent quality checks to ensure they meet industry standards, guaranteeing reliable performance in every application.
  • Customized Solutions: We offer tailored solutions to meet specific customer requirements, providing fittings in various sizes, shapes, and configurations.
  • Expertise and Experience: With decades of experience in the industry, Amardeep Steel Centre is a trusted supplier of stainless steel fittings, known for our commitment to quality and customer satisfaction.
  • Competitive Pricing: We provide high-quality 304H SS fittings at competitive prices, ensuring value for money without compromising on quality.

SS 304H fittings are an essential component in many industries, offering the perfect balance of strength, temperature resistance, and durability. Whether you are involved in chemical processing, power generation, or oil and gas, 304H SS fittings from Amardeep Steel Centre provide the reliable performance you need to maintain the integrity of your systems. Trust us to deliver the best quality fittings that meet your specific requirements and stand up to the most challenging environments.

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 304H 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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