Stainless Steel UNS S31009 Pipe Fittings Manufacturer & Supplier
Stainless Steel 310H Pipe Fittings suppliers required for demanding high temperature and corrosive environments in various industries? We fabricate and supply top quality ASTM A403 WP310H SS Pipe Fittings designed to function under extreme service conditions. We are experts at manufacturing a complete assortment of elbows, tees, reducers, caps, stub ends, crosses and custom made buttweld fittings adhering to all international quality norms.
As leading stainless steel pipe fittings manufacturers in India, we supply precise SS 310H pipe fittings to worldwide manufacturers in the power, petrochemical, heat treatment, refinery, fertilizer and thermal processing industry.
These Stainless Steel UNS S31009 Pipe Fittings give a superior resistance to oxidation, excellent strength against creep and higher strength at high temperatures. These products can be offered in various standard sizes and custom specification as per project requirements.
What are Stainless Steel 310H Pipe Fittings?
Stainless Steel 310H Pipe Fittings are high-temperature resistant piping components manufactured from Stainless Steel Grade 310H (UNS S31009). They contain higher carbon content than standard 310 stainless steel, providing improved creep resistance and strength at elevated temperatures. These fittings are widely used in heat exchangers, boilers, furnaces, petrochemical plants, and power generation systems where continuous exposure to temperatures above 1000°F (538°C) is common.
Why Choose Stainless Steel 310H Fittings?
Industrial piping systems operating in extreme heat require materials that maintain mechanical integrity and resist oxidation. SS 310H Pipe Fittings are specifically developed for such demanding environments.
Key Benefits
- Excellent oxidation resistance up to 1150°C
- High tensile and creep strength
- Superior resistance to thermal fatigue
- Outstanding corrosion resistance
- Excellent weldability and fabrication properties
- Long service life in high-temperature applications
- Suitable for cyclic heating environments
- Reliable performance in sulfur-bearing atmospheres
These characteristics make high temperature pipe fittings manufactured from Grade 310H a preferred choice for critical industrial systems.
Properties of 310H Stainless Steel Fittings
310H stainless steel fittings possess a range of properties that make them suitable for demanding environments. Some of the key properties include:
- High Temperature Resistance: 310H grade stainless steel fittings can withstand temperatures up to 1100°C (2010°F) without losing their strength or integrity. This makes them ideal for use in furnaces, heat exchangers, and other high-temperature applications.
- Oxidation Resistance: The high chromium content in SS 310H fittings provides excellent resistance to oxidation, even in environments with frequent temperature fluctuations. This property ensures that the fittings maintain their appearance and performance over time.
- Corrosion Resistance: 310H stainless steel fittings offer good resistance to corrosion in various environments, including those with high levels of sulfur and other corrosive elements. This makes them suitable for use in chemical processing plants, power generation, and other industries where corrosive substances are present.
- Strength and Durability: The high nickel and chromium content in SS 310H fittings gives them exceptional strength and durability, making them suitable for heavy-duty applications. These fittings can withstand mechanical stress and pressure without deformation or failure.
- Weldability: 310H stainless steel has good weldability, allowing for easy fabrication and installation of fittings. This property is particularly important in industries where custom fittings or complex piping systems are required.
- Low Magnetic Permeability: SS 310H fittings have low magnetic permeability, making them suitable for applications where non-magnetic materials are required.
Advantages of 310H Stainless Steel Fittings
The properties of 310H stainless steel fittings offer several advantages for industries that operate in demanding environments. These advantages include:
- Extended Service Life: The combination of high temperature and corrosion resistance ensures that SS 310H fittings have a long service life, even in the most challenging conditions. This reduces the need for frequent replacements and maintenance, leading to cost savings over time.
- Versatility: 310H stainless steel fittings are versatile and can be used in a wide range of applications, from high-temperature furnaces to chemical processing plants. Their ability to perform well in both oxidizing and reducing environments makes them a preferred choice for many industries.
- Cost-Effective: While SS 310H fittings may have a higher initial cost compared to other materials, their durability and resistance to wear and tear make them a cost-effective option in the long run. The reduced need for maintenance and replacement translates to lower operational costs.
- Reliable Performance: 310H grade stainless steel fittings offer reliable performance in extreme conditions, ensuring the safety and efficiency of industrial processes. Their ability to maintain their mechanical properties at high temperatures makes them an essential component in critical applications.
- Ease of Fabrication: The good weldability and machinability of 310H stainless steel make it easy to fabricate custom fittings and components. This allows for greater flexibility in designing and implementing piping systems.
- Compliance with Industry Standards: SS 310H fittings are manufactured to meet stringent industry standards, ensuring that they are suitable for use in regulated industries such as oil and gas, power generation, and chemical processing.
Types of Stainless Steel 310H Buttweld Fittings
We manufacture a complete range of Stainless Steel 310H Buttweld Fittings suitable for various piping configurations.
Stainless Steel 310H Elbows
Available in 45°, 90°, and 180° configurations for changing pipeline direction while maintaining flow efficiency.
Stainless Steel 310H Tees
Designed for branching process lines and ensuring smooth flow distribution.
Stainless Steel 310H Reducers
Concentric and eccentric reducers are available for connecting different pipe diameters.
Stainless Steel 310H End Caps
Used to safely terminate piping systems and pressure lines.
Stainless Steel 310H Stub Ends
Manufactured for lap joint flange applications where frequent dismantling is required.
Stainless Steel UNS S31009 Seamless Pipe Fittings
Our seamless fittings provide superior pressure handling capability and are ideal for critical process industries requiring leak-free performance.
Schedule and Size Chart
| Nominal Pipe Size (NPS) | Outside Diameter (OD) | Schedule 10 | Schedule 40 | Schedule 80 | Schedule 160 |
| 1/2″ | 0.840″ (21.34 mm) | 0.065″ (1.65 mm) | 0.109″ (2.77 mm) | 0.147″ (3.73 mm) | 0.294″ (7.52 mm) |
| 3/4″ | 1.050″ (26.67 mm) | 0.065″ (1.65 mm) | 0.113″ (2.87 mm) | 0.154″ (3.91 mm) | 0.308″ (7.82 mm) |
| 1″ | 1.315″ (33.40 mm) | 0.065″ (1.65 mm) | 0.133″ (3.38 mm) | 0.179″ (4.55 mm) | 0.358″ (9.09 mm) |
| 1-1/2″ | 1.900″ (48.26 mm) | 0.065″ (1.65 mm) | 0.145″ (3.68 mm) | 0.200″ (5.08 mm) | 0.400″ (10.16 mm) |
| 2″ | 2.375″ (60.33 mm) | 0.065″ (1.65 mm) | 0.154″ (3.91 mm) | 0.218″ (5.54 mm) | 0.436″ (11.07 mm) |
| 4″ | 4.500″ (114.30 mm) | 0.083″ (2.11 mm) | 0.237″ (6.02 mm) | 0.337″ (8.56 mm) | 0.531″ (13.49 mm) |
Mechanical Properties Chart
| Property | Value |
| Tensile Strength | 515 MPa (74,800 psi) |
| Yield Strength (0.2% Offset) | 205 MPa (29,700 psi) |
| Elongation | 40% |
| Hardness (Rockwell B) | 95 |
| Modulus of Elasticity | 193 GPa (28 x 10^6 psi) |
| Density | 7.9 g/cm³ (0.285 lb/in³) |
ASTM A403 WP310H SS Pipe Fittings Specifications
Product Specifications
| Specification | Details |
| Material Grade | Stainless Steel 310H |
| UNS Number | UNS S31009 |
| Standard | ASTM A403 WP310H |
| Manufacturing Type | Seamless & Welded |
| Size Range | ½” NB to 48″ NB |
| Wall Thickness | SCH 5 to SCH XXS |
| Form | Elbows, Tees, Reducers, Caps, Stub Ends |
| Surface Finish | Pickled, Polished, Sand Blasted |
| Testing | PMI, Hydrostatic, Radiography, Mechanical Testing |
Our ASTM A403 WP310H fittings supplier team ensures every product complies with international dimensional and material standards before dispatch.
Chemical Composition of Stainless Steel UNS S31009 Pipe Fittings
| Element | Composition (%) |
| Carbon | 0.04 – 0.10 |
| Chromium | 24.0 – 26.0 |
| Nickel | 19.0 – 22.0 |
| Manganese | 2.00 Max |
| Silicon | 1.50 Max |
| Phosphorus | 0.045 Max |
| Sulfur | 0.030 Max |
Physical Properties Chart
| Property | Value |
| Density | 7.9 g/cm³ (0.285 lb/in³) |
| Melting Point | 1400-1450°C (2552-2642°F) |
| Thermal Conductivity | 14.2 W/m·K (9.8 BTU·in/ft²·h·°F) |
| Specific Heat Capacity | 500 J/kg·K (0.12 BTU/lb·°F) |
| Electrical Resistivity | 0.74 µΩ·m (29 µΩ·in) |
| Coefficient of Thermal Expansion | 15.9 µm/m·K (8.8 µin/in·°F) |
Applications of Stainless Steel 310H Pipe Fittings
Due to their excellent heat resistance, ASTM A403 WP310H SS Pipe Fittings are extensively used across multiple industries.
Power Generation Plants
Used in boiler systems, steam lines, superheaters, and heat recovery units.
Petrochemical Industry
Ideal for high-temperature process piping and reactor systems.
Oil & Gas Industry
Used in processing plants exposed to corrosive and elevated-temperature conditions.
Heat Treatment Facilities
Commonly installed in furnaces, kilns, and thermal processing equipment.
Fertilizer Plants
Suitable for aggressive chemical processing environments.
Refineries
Used in catalytic cracking units and high-temperature transfer lines.
Manufacturing Process of Stainless Steel 310H Fittings
Quality begins with carefully sourced raw materials and continues through every production stage.
Raw Material Selection
Premium-grade Stainless Steel 310H billets and pipes are procured from approved mills.
Forming Process
The material undergoes hot or cold forming processes to achieve precise fitting geometries.
Welding and Fabrication
Where applicable, advanced welding techniques are utilized to ensure structural integrity.
Heat Treatment
Controlled heat treatment improves grain structure and enhances mechanical performance.
Machining and Finishing
Fittings are machined to exact tolerances and finished according to customer requirements.
Quality Inspection
Every fitting undergoes comprehensive testing before shipment.
Quality Assurance and Testing
As a leading stainless steel pipe fittings manufacturer in India, we implement strict quality control procedures.
Tests Performed
- Positive Material Identification (PMI)
- Hydrostatic Testing
- Radiographic Examination
- Mechanical Testing
- Hardness Testing
- Chemical Analysis
- Dimensional Inspection
- Visual Examination
Test certificates are supplied in accordance with EN 10204 3.1 requirements upon request.
Stainless Steel 310H Buttweld Fittings Price in India
The Stainless Steel 310H Buttweld Fittings Price in India depends on several factors:
- Product type and dimensions
- Schedule and wall thickness
- Seamless or welded construction
- Quantity ordered
- Testing requirements
- Surface finish specifications
For current pricing, project quotations, and bulk order discounts, contact our sales team with your detailed requirement.
Why Customers Choose Us?
Industry Experience
Years of experience supplying high-performance stainless steel piping products globally.
International Standards
Products manufactured according to ASTM, ASME, ANSI, MSS, and DIN standards.
Extensive Inventory
Ready stock availability for urgent project requirements.
Global Export Capability
Supplying customers across Asia, Europe, the Middle East, Africa, and the Americas.
Technical Support
Dedicated assistance for material selection and project requirements.
Frequently Asked Questions
What is the difference between SS 310 and SS 310H fittings?
SS 310H contains higher carbon content, resulting in improved creep strength and better performance at elevated temperatures compared to standard SS 310.
Are Stainless Steel UNS S31009 Seamless Pipe Fittings suitable for high-pressure systems?
Yes. Seamless fittings offer excellent pressure handling capabilities and are widely used in critical industrial applications.
What industries use ASTM A403 WP310H fittings?
Power plants, refineries, petrochemical facilities, fertilizer plants, heat treatment facilities, and thermal processing industries commonly use these fittings.
Do you provide custom sizes?
Yes. We manufacture custom dimensions and special configurations according to project specifications.
What temperature can Stainless Steel 310H withstand?
Stainless Steel 310H offers excellent oxidation resistance and can perform continuously at temperatures up to approximately 1150°C in suitable service conditions.
Global Reach
ASC LLP 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 310H 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.
Related Products Grades :
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.
