Stainless Steel 310 Fittings: A Comprehensive Guide by Amardeep Steel Centre LLP
At Amardeep Steel Centre LLP, we pride ourselves on providing top-quality products that meet the diverse needs of our clients. One of our most sought-after products is the stainless steel 310 fittings. Renowned for their exceptional strength, durability, and resistance to high temperatures, these fittings are integral components in a variety of industrial applications.
In this guide, we will explore everything you need to know about 310 stainless steel fittings, including their properties, material composition, applications, and the advantages they offer. Whether you’re looking to understand what 310 stainless steel fittings are or why they are the right choice for your project, this comprehensive overview will provide all the information you need.
What is 310 Stainless Steel Fittings?
310 stainless steel fittings are components made from 310-grade stainless steel, an alloy known for its high-temperature resistance and excellent corrosion resistance. These fittings are used to connect, control, or direct the flow of various substances like gases, liquids, and slurries in piping systems. The 310-grade stainless steel, from which these fittings are manufactured, contains high levels of chromium and nickel, which give it superior resistance to oxidation and other forms of corrosion.

Properties of 310 Stainless Steel Fittings
When considering SS 310 fittings, understanding their properties is crucial for making an informed decision. Below are the key properties that make these fittings an excellent choice for various applications:
- High Temperature Resistance: 310 SS fittings are specifically designed to withstand high temperatures. They can maintain their strength and integrity at temperatures as high as 2100°F (1150°C), making them ideal for applications involving extreme heat.
- Corrosion Resistance: One of the standout features of SS 310 fittings is their excellent resistance to corrosion. The high chromium content (around 25%) in the alloy forms a protective layer on the surface, preventing rust and other forms of corrosion even in harsh environments.
- Oxidation Resistance: In addition to resisting corrosion, 310 SS fittings are highly resistant to oxidation. This is particularly important in high-temperature applications, where oxidation can quickly degrade other types of fittings.
- Strength and Durability: 310-grade stainless steel fittings offer excellent strength and durability. They are tough, resilient, and capable of withstanding significant mechanical stress without deforming or breaking.
- Versatility: The versatility of 310 SS fittings is unmatched. They can be used in a wide range of industries, including petrochemical, chemical processing, oil and gas, power generation, and more.
Advantages of Using 310 Stainless Steel Fittings
Opting for 310 stainless steel fittings comes with numerous advantages, making them a preferred choice across various industries. Here are some of the key benefits:
- Longevity: Due to their exceptional strength and resistance to harsh conditions, stainless steel 310 fittings have a long service life, reducing the need for frequent replacements and maintenance.
- Safety: The reliability of 310 SS fittings enhances the overall safety of industrial systems, particularly in high-pressure and high-temperature environments where failure is not an option.
- Cost-Effective: While the initial cost of 310 stainless steel fittings may be higher than some other materials, their durability and low maintenance requirements make them a cost-effective solution in the long run.
- Ease of Fabrication: Despite their strength, 310 stainless steel fittings are relatively easy to fabricate, allowing for custom solutions tailored to specific project requirements.
- Aesthetic Appeal: For applications where appearance is important, 310 SS fittings offer a clean, polished look that is both functional and visually appealing.


Schedule and Size Chart
Nominal Pipe Size (NPS) | Outside Diameter (OD) (inches) | Wall Thickness (Schedule 40) (inches) | Wall Thickness (Schedule 80) (inches) | Wall Thickness (Schedule 160) (inches) |
1/8″ | 0.405 | 0.068 | 0.095 | 0.123 |
1/4″ | 0.540 | 0.088 | 0.119 | 0.157 |
1/2″ | 0.840 | 0.109 | 0.147 | 0.188 |
3/4″ | 1.050 | 0.113 | 0.154 | 0.218 |
1″ | 1.315 | 0.133 | 0.179 | 0.250 |
1-1/2″ | 1.900 | 0.145 | 0.200 | 0.281 |
2″ | 2.375 | 0.154 | 0.218 | 0.344 |
3″ | 3.500 | 0.216 | 0.300 | 0.438 |
4″ | 4.500 | 0.237 | 0.337 | 0.531 |
6″ | 6.625 | 0.280 | 0.432 | 0.719 |
8″ | 8.625 | 0.322 | 0.500 | 0.906 |
10″ | 10.750 | 0.365 | 0.500 | 1.125 |
12″ | 12.750 | 0.375 | 0.500 | 1.344 |
Mechanical Properties Chart
Property | Value |
Tensile Strength | 515 MPa (75 ksi) |
Yield Strength | 205 MPa (30 ksi) |
Elongation | 40% (in 2 inches) |
Hardness | 95 Rockwell B (HR B) |
Modulus of Elasticity | 200 GPa (29,000 ksi) |
Impact Toughness | High |
Fatigue Strength | 245 MPa (35.5 ksi) |
Specifications Chart
Standard | Specification |
ASTM | A182, A240, A312, A479 |
ASME | SA182, SA240, SA312, SA479 |
EN | 1.4841 |
JIS | SUS 310 |
DIN | X12CrNi25-21 |
UNS | S31000 |
Chemical Composition Chart
Element | Composition (%) |
Chromium (Cr) | 24.00 – 26.00 |
Nickel (Ni) | 19.00 – 22.00 |
Carbon (C) | 0.08 max |
Manganese (Mn) | 2.00 max |
Silicon (Si) | 1.50 max |
Phosphorus (P) | 0.045 max |
Sulfur (S) | 0.030 max |
Iron (Fe) | Balance |
Physical Properties Chart
Property | Value |
Density | 7.9 g/cm³ |
Melting Point | 1400 – 1450°C (2552 – 2642°F) |
Thermal Conductivity | 14.2 W/m·K (at 100°C) |
Specific Heat Capacity | 500 J/kg·K (at 0-100°C) |
Electrical Resistivity | 0.75 µΩ·m (at 20°C) |
Coefficient of Expansion | 15.9 µm/m·K (0-100°C) |
Application Chart
Industry | Applications |
Petrochemical | Heat exchangers, furnace parts, catalytic systems |
Chemical Processing | Reactor vessels, distillation columns, piping |
Power Generation | Boiler components, superheater tubes, flue gas ducts |
Oil and Gas | Downstream processing equipment, pipelines |
Aerospace | Exhaust manifolds, afterburners |
Automotive | Turbocharger components, exhaust systems |
Heat Treatment | Annealing boxes, furnace linings, retorts |
Construction | Structural components in high-temperature environments |
Why Choose Amardeep Steel Centre LLP for 310 Stainless Steel Fittings?
At Amardeep Steel Centre LLP, we are committed to delivering high-quality products that meet the highest industry standards. When you choose us for your 310 stainless steel fittings needs, you benefit from:
- Expertise and Experience: With years of experience in the industry, we have the expertise to provide you with the best solutions for your specific requirements.
- Quality Assurance: Our 310 SS fittings undergo rigorous quality checks to ensure they meet the stringent demands of industrial applications.
- Custom Solutions: We understand that every project is unique, which is why we offer custom fabrication services to deliver fittings that perfectly match your specifications.
- Global Supply Network: No matter where your project is located, we have the capability to deliver our products worldwide, ensuring timely and efficient service.
- Competitive Pricing: We offer competitive pricing without compromising on quality, making us the go-to supplier for SS 310 fittings.
310 stainless steel fittings are a versatile, durable, and reliable choice for a wide range of industrial applications. Their ability to withstand high temperatures and resist corrosion makes them indispensable in industries such as petrochemical, power generation, and chemical processing.
At Amardeep Steel Centre LLP, we take pride in offering top-quality 310 SS fittings that meet the diverse needs of our clients. With our commitment to quality, expertise, and customer satisfaction, we are your trusted partner for all your stainless steel fitting requirements.
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 310 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.

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.