Stainless Steel 304H Flanges: Superior Strength and Durability

Stainless Steel 304H Flanges are an essential component in various industrial applications, offering both versatility and reliability. These flanges are made from 304H stainless steel, a high-carbon version of the 304-grade stainless steel, known for its enhanced strength and excellent resistance to high temperatures. At ASC LLP, we specialize in manufacturing and supplying high-quality 304H stainless steel flanges, catering to the needs of industries ranging from petrochemical to power generation.

What is 304H Stainless Steel Flanges?

The term 304H stainless steel flanges refers to flanges made from the 304H grade of stainless steel. The “H” in 304H signifies a higher carbon content compared to its counterparts, 304 and 304L. This higher carbon content gives 304H stainless steel superior heat resistance and makes it ideal for use in environments where high temperatures are a concern. 304H SS flanges are used to connect pipes, valves, pumps, and other equipment in a piping system, ensuring a secure, leak-proof joint.

Stainless Steel 304H Flanges

Properties of 304H Stainless Steel Flanges

304H stainless steel flanges properties make them a preferred choice in industries that demand durability and strength under extreme conditions. Some of the key properties include:

  1. High Temperature Resistance: The increased carbon content in 304H SS flanges material allows them to maintain structural integrity at higher temperatures, making them suitable for applications involving heat up to 800°C (1472°F).
  2. Corrosion Resistance: SS flanges 304H offer excellent resistance to corrosion in a wide range of environments, including those with exposure to acids and chlorides.
  3. Strength and Durability: The addition of carbon in the 304H grade stainless steel flanges provides enhanced strength and hardness, which is crucial for high-pressure applications.
  4. Weldability: Despite the higher carbon content, 304H SS flanges retain good weldability, allowing for easy fabrication and installation.
  5. Cost-Effectiveness: 304H SS flanges offer a cost-effective solution for high-temperature applications without sacrificing performance.

Advantages of Using 304H Stainless Steel Flanges

Choosing 304H stainless steel flanges comes with several advantages:

  1. Enhanced Performance in High-Temperature Environments: The ability to withstand high temperatures without losing strength or becoming brittle makes 304H SS flanges a reliable choice for demanding applications.
  2. Long-Lasting Durability: The combination of corrosion resistance and strength ensures that these flanges have a long service life, reducing the need for frequent replacements and maintenance.
  3. Versatility: SS 304H flanges can be used in a wide range of applications across various industries, making them a versatile solution for engineers and designers.
  4. Easy Fabrication and Installation: Despite their enhanced properties, 304H SS flanges are relatively easy to fabricate and install, which can help save time and reduce costs during construction or maintenance.
  5. Compliance with Standards: At ASC LLP, our 304H SS flanges meet or exceed all relevant industry standards, ensuring that our products are of the highest quality and fit for purpose.
SS 304H Flanges
304H Stainless Steel Flanges

Schedule and Size Chart

Nominal Pipe Size (NPS) Outside Diameter (OD) (inches) Thickness (Sch 10S) (inches) Thickness (Sch 40S) (inches) Thickness (Sch 80S) (inches) Thickness (Sch 160) (inches)
1/2″ 0.84 0.065 0.109 0.147 0.187
3/4″ 1.05 0.065 0.113 0.154 0.218
1″ 1.315 0.065 0.133 0.179 0.250
2″ 2.375 0.083 0.154 0.218 0.344
4″ 4.5 0.120 0.237 0.337 0.531
8″ 8.625 0.148 0.322 0.500 0.906
12″ 12.75 0.180 0.406 0.687 1.156

Mechanical Properties Chart

Property Value
Tensile Strength 515 MPa (75 ksi)
Yield Strength 205 MPa (30 ksi)
Elongation at Break 40%
Hardness (Brinell) 201 HB
Modulus of Elasticity 193 GPa (28 x 10^6 psi)
Poisson’s Ratio 0.27 – 0.30
Melting Point 1400 – 1450°C (2552 – 2642°F)

Specifications Chart

Specification Details
Standard Specifications ASTM A182, ASME SA182, ANSI B16.5, EN 1092-1
Pressure Ratings Class 150, 300, 600, 900, 1500, 2500
Size Range 1/2″ to 48″ (DN 15 to DN 1200)
Flange Types Weld Neck, Slip-On, Blind, Socket Weld, Threaded, Lap Joint
Facing Types Flat Face (FF), Raised Face (RF), Ring Type Joint (RTJ)

Chemical Composition Chart

Element Percentage (%)
Carbon (C) 0.04 – 0.10
Chromium (Cr) 18.0 – 20.0
Nickel (Ni) 8.0 – 11.0
Manganese (Mn) 2.0 max
Silicon (Si) 1.0 max
Phosphorus (P) 0.045 max
Sulfur (S) 0.030 max
Nitrogen (N) 0.10 max
Iron (Fe) Balance

Physical Properties Chart

Property Value
Density 8.0 g/cm³ (0.289 lb/in³)
Specific Heat 500 J/kg·K
Thermal Conductivity 16.2 W/m·K at 100°C
Electrical Resistivity 0.072 x 10^-6 Ω·m
Coefficient of Thermal Expansion 17.2 x 10^-6 /°C (0-100°C)

Application Chart

Industry Application
Petrochemical Industry Used in high-temperature processing systems, such as catalytic cracking and reforming units.
Power Generation Suitable for use in high-pressure steam lines and boiler components.
Oil and Gas Industry Deployed in pipelines, offshore platforms, and refineries, especially in high-temperature environments.
Pharmaceutical Industry Utilized in cleanroom environments and in the production of chemicals under high heat.
Food and Beverage Industry Employed in systems where sanitary conditions and resistance to heat are essential.
Automotive Industry Applied in exhaust systems and components requiring heat and corrosion resistance.

Why Choose ASC LLP as your supplier for 304H Stainless Steel Flanges?

At ASC LLP, we pride ourselves on being a leading supplier of 304H stainless steel flanges. Our commitment to quality, combined with our extensive industry experience, makes us the preferred choice for customers worldwide. Here’s why you should choose us:

  1. High-Quality Materials: We use only the best 304H SS flanges material, ensuring that our products meet the highest standards of performance and durability.
  2. Extensive Inventory: We maintain a large inventory of SS flanges 304H, allowing us to meet the demands of our customers quickly and efficiently.
  3. Expertise and Support: Our team of experts is always available to provide technical support and guidance, helping you choose the right flanges for your specific application.
  4. Competitive Pricing: We offer competitive pricing on all our 304H SS flanges, making us a cost-effective choice for your project needs.
  5. Global Reach: With a global network, we can deliver our products to customers wherever they are, ensuring timely and reliable service.

304H stainless steel flanges are a critical component in many industrial applications, offering exceptional strength, durability, and resistance to high temperatures. Whether you are in the petrochemical, power generation, or any other industry that demands high-performance materials, stainless steel 304H flanges from ASC LLP provide a reliable and cost-effective solution. Trust us to deliver the quality and service you need to keep your operations running smoothly.

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 Flanges. 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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