STAINLESS STEEL SS 310S SEAMLESS PIPES ASTM A312 TP 310S AST

Alliance Pipes & Fittings in Mumbai is the largest stockholder, supplier, and exporter of Stainless Steel Seamless Pipes ASME SA312 TP 310S / ASTM A312 TP 310S in India. Our SS 310S seamless pipes are premium-grade, corrosion-resistant, and heat-resistant, ideal for industries like oil & gas, chemical, petrochemical, power, and refinery applications. We supply large diameters, various wall thicknesses, and custom lengths, with global exports to USA, UAE, Saudi Arabia, Singapore, Germany, and more.

• Material Type: Austenitic Stainless Steel, Grade 310S
• Standard: ASME SA312 TP 310S / ASTM A312 TP 310S
• Product Form: Stainless Steel 310S Seamless Pipe manufactured through hot finished seamless process for superior strength and dimensional accuracy
• Corrosion Resistance: Excellent resistance to oxidation and scaling in high-temperature environments, as well as to chemical corrosion in acidic and chloride-bearing atmospheres
• Heat Resistance: Continuous service temperature up to 1100°C (2010°F); intermittent service up to 1150°C
• Density: 7.9 g/cm³, making it strong yet workable for industrial piping solutions
• Applications: Oil & Gas pipelines, Refinery heaters, Petrochemical plants, Heat exchangers, Power generation, and High-temperature service lines
   

• UNS Number: S31008
• DIN Number: 1.4845
• Trade Names: X10CrNi25-21, TP310S, Alloy 310S
• Other Standards: ASTM A312 TP 310S (Seamless), ASME SA312 TP 310S

These equivalents help engineers and buyers match the right SS 310S seamless pipes with their regional specifications.

• Outside Diameter (OD): NPS ½” to 14" 
• Wall Thickness: SCH 10S to SCH XXS and heavier schedules on request
• Length: Standard supply length of 6 meters; cut-to-size and custom lengths available up to 12 meters or as per project requirements
• Custom Sizes: Special OD/WT combinations available on request for critical applications
   

• OD Tolerance: ±1%
• Wall Thickness Tolerance: ±12.5%
• Length Tolerance: ±50mm

Strict dimensional control ensures consistency and reliability in Stainless Steel 310S seamless pipes for industrial use.

• Sourced from certified global manufacturers with proven expertise in producing ASME SA312 TP 310S / ASTM A312 TP 310S seamless pipes
• All pipes are supplied with complete Mill Test Certificates (MTC) in EN 10204 3.1/3.2 format ensuring chemical, mechanical, and dimensional traceability
• Third-party inspection by agencies such as BV, TUV, SGS, and Lloyds available on request

The chemical composition of Stainless Steel 310S Seamless Pipe (ASME SA312 TP 310S / ASTM A312 TP 310S) is carefully balanced to deliver superior heat and corrosion resistance:

Element Composition (%)

• Carbon (C) 0.08 max
• Chromium (Cr) 24–26
• Nickel (Ni) 19–22
• Manganese (Mn) 2.0 max
• Silicon (Si) 1.0 max
• Phosphorus (P) 0.045 max
• Sulfur (S) 0.03 max
• Iron (Fe) Balance

The high chromium and nickel content provide excellent oxidation resistance, while low carbon ensures reduced carbide precipitation, making SS 310S seamless pipes ideal for high-temperature service.

• Tensile Strength: 515 MPa min
• Yield Strength: 205 MPa min
• Elongation: 40% min
• Hardness: HRB 90 max

These mechanical properties guarantee durability and strength, ensuring Stainless Steel 310S seamless pipes perform reliably in harsh and corrosive environments.
 

• Solution Annealed at 1040°C followed by rapid water quenching to achieve optimum corrosion resistance and mechanical strength.
• Pipes are delivered in solution-annealed and pickled condition unless otherwise specified.
   

• Intergranular Corrosion Test (IGC): Conducted as per Practice E, ensuring resistance to intergranular attack in corrosive environments.
• Non-Destructive Testing (NDT): Hydrostatic test, ultrasonic test, eddy current test as per ASME SA312.
• Third-Party Inspection: By BV, TUV, SGS, Lloyds, or as per client requirement.
• Certifications Available: IBR, PED 97/23/EC, and project-specific approvals for international clients.
• Full Mill Test Certificates (MTC) provided in compliance with EN 10204 3.1/3.2.

• HIC / SCC Resistance:
  Our SS 310S seamless pipes are tested and supplied with resistance against Hydrogen Induced Cracking (HIC) and Stress Corrosion Cracking (SCC), making them highly reliable for oil & gas, petrochemical, and offshore applications where sour service and high-pressure conditions are common.
   
• Traceable Mill Test Certificates (MTC):
  Every Stainless Steel 310S Seamless Pipe is delivered with a fully traceable Mill Test Certificate (MTC) in EN 10204 3.1 / 3.2 format, including heat numbers for complete quality assurance. This ensures full transparency of chemical composition, mechanical properties, and heat treatment records for project documentation.
   
• NACE & ISO Compliance:
  Our ASME SA312 TP 310S / ASTM A312 TP 310S seamless pipes comply with NACE MR0175 / ISO 15156 standards, ensuring suitability for use in sour service environments where resistance to sulfide stress cracking is critical. This compliance makes our pipes the preferred choice for international projects in oil refineries, LNG plants, offshore rigs, and gas processing units.
   

• Chemical & Petrochemical Pipelines:
  Stainless Steel 310S seamless pipes are widely used for transporting corrosive fluids and chemicals in petrochemical refineries and chemical processing plants, where high resistance to oxidation and carburization is essential.
   
• Oil & Gas Process Lines:
  Designed to withstand harsh and sour environments, our ASME SA312 TP 310S / ASTM A312 TP 310S seamless pipes are ideal for oil & gas pipelines, offshore platforms, LNG facilities, and refinery process lines. Their HIC and SCC resistance ensures safe and reliable performance in critical operations.
   
• Boiler & Furnace Tubes:
  Owing to their exceptional heat resistance up to 1100°C, SS 310S seamless pipes are extensively used in boilers, reheaters, and furnace tubes, providing durability under continuous thermal cycling conditions.
   
• Heat Exchangers & Superheaters:
  With excellent resistance to scaling and high-temperature corrosion, Stainless Steel 310S seamless pipes are perfect for heat exchangers, condensers, and superheaters, where efficiency and thermal stability are required.
   
• Power Generation Plants:
  Our SS 310S pipes play a vital role in thermal and nuclear power plants, ensuring reliability in steam generation, turbine piping, and heater components.
   
• Industrial Heaters & Process Equipment:
  ASTM A312 TP 310S seamless pipes are also used in industrial heaters, fired heaters, and process equipment that demand high creep strength and long service life.

• High Corrosion & Oxidation Resistance:
  Stainless Steel 310S Seamless Pipe provides excellent resistance to oxidation, carburization, and high-temperature corrosion, making it the preferred choice for chemical, petrochemical, oil & gas, and offshore applications. Its high chromium and nickel content ensures superior durability in aggressive and sour service environments.
   
• Superior Mechanical Strength at Elevated Temperatures:
  Our ASME SA312 TP 310S / ASTM A312 TP 310S seamless pipes deliver reliable tensile strength, yield strength, and creep resistance in continuous service up to 1100°C. They are widely used in boilers, furnaces, superheaters, and power plant piping systems.
   
• Long Service Life with Minimal Maintenance:
  SS 310S seamless pipes are designed for extended operational life with minimal downtime, reducing overall maintenance costs in industries requiring continuous and heavy-duty operations.
   
• Availability in Large Diameters & Custom Lengths:
  Alliance Pipes & Fittings supplies Stainless Steel 310S seamless pipes in diameters from NPS ½” to 14”, wall thicknesses ranging from SCH 10S to SCH XXS, and lengths up to 12 meters. Custom dimensions are available on request, making us a trusted SS 310S pipes supplier in Mumbai for both standard and project-specific needs.
   
• Domestic & Global Industry Approvals:
  Our ASME SA312 TP 310S / ASTM A312 TP 310S stainless steel seamless pipes are approved and accepted by leading engineering consultants and oil & gas companies worldwide.
   
  • Domestic Approvals: EIL (Engineers India Limited), IOCL (Indian Oil Corporation Limited), BPCL (Bharat Petroleum Corporation Limited), HPCL (Hindustan Petroleum Corporation Limited), ONGC (Oil and Natural Gas Corporation), GAIL (Gas Authority of India Limited), BHEL (Bharat Heavy Electricals Limited), NPCIL (Nuclear Power Corporation of India Limited).
     
  • Global Approvals: ADNOC (Abu Dhabi National Oil Company – UAE), PDO (Petroleum Development Oman), KNPC (Kuwait National Petroleum Company), KOC (Kuwait Oil Company), SABIC (Saudi Basic Industries Corporation), Saudi Aramco (Saudi Arabia), QatarEnergy (Qatar Petroleum), PETRONAS (Malaysia), ExxonMobil, Shell, TotalEnergies, BP.
     
• Worldwide Export with Full Certification:
  Alliance Pipes & Fittings exports SS 310S seamless pipes to the USA, UAE, Saudi Arabia, Singapore, Germany, and Europe, supplying products with Mill Test Certificates (MTC), IBR certification, PED compliance, NACE MR0175/ISO 15156, and third-party inspection reports (BV, TUV, SGS, Lloyds) to meet international project standards.

Along with being a trusted SS 310S Pipes Supplier in Mumbai, Alliance Pipes & Fittings maintains one of the largest inventories of stainless steel seamless pipes in India. While our core offering includes ASME SA312 TP 310S / ASTM A312 TP 310S seamless pipes, known for their exceptional performance in high-temperature and corrosive environments, we also supply the following grades to meet varied industrial requirements:

• SS 304 / 304L Seamless Pipes – Excellent corrosion resistance and weldability, widely used in food processing, chemical plants, and water treatment systems.
   
• SS 316 / 316L Seamless Pipes – Enhanced resistance to pitting and crevice corrosion, ideal for marine applications, chemical industries, and coastal environments.
   
• SS 317L Seamless Pipes – High molybdenum content provides superior resistance against aggressive chemical attack.
   
• SS 321H Seamless Pipes – Titanium-stabilized for high-temperature service, preventing intergranular corrosion in heat-exposed applications.
   
• SS 347H Seamless Pipes – Columbium-stabilized alloy with excellent creep and stress rupture strength at elevated temperatures.
   
• SS 904L Seamless Pipes – A premium low-carbon, high-alloy stainless steel offering outstanding resistance to strong reducing acids like sulfuric acid; widely used in fertilizer plants, chemical industries, and seawater cooling systems.
   
• Duplex Stainless Steel Seamless Pipes – A balance of strength and corrosion resistance, commonly used in offshore platforms, desalination, and petrochemical plants.
   
• Super Duplex Stainless Steel Seamless Pipes – Superior mechanical strength and excellent resistance to chloride-induced stress corrosion cracking, ideal for subsea and harsh chemical applications.
   

At Alliance Pipes & Fittings, we specialize in supplying Stainless Steel 310S Seamless Pipe (ASME SA312 TP 310S / ASTM A312 TP 310S) along with other high-performance grades. Our extensive stock, domestic approvals (EIL, IBR, ONGC, BHEL) and global certifications (ADNOC, ARAMCO, PDO, KNPC, SABIC) ensure reliable and certified supply to critical industries worldwide.

At Alliance Pipes & Fittings, the price of ss 310s seamless pipes (ASME SA312 TP 310S / ASTM A312 TP 310S) depends on several key factors:

• Size (Outer Diameter & Length) – Larger diameters and custom lengths may increase the price.
   
• Wall Thickness (Schedule / SCH) – Thicker walls (SCH 40, SCH 80, SCH 160) carry higher costs due to more raw material usage.
   
• Quantity Ordered – Bulk orders attract competitive pricing and wholesale rates.
   
• Standards & Approvals – Pipes with additional domestic and international approvals (EIL, IBR, ONGC, BHEL, ADNOC, ARAMCO, PDO, KNPC, SABIC) are priced based on compliance requirements.
   

We provide customized quotations depending on client needs to ensure the best balance of quality and cost-effectiveness.

At Alliance Pipes & Fittings, we provide a detailed weight chart for SS 310S Seamless Pipes to help buyers calculate exact weight per meter and optimize project planning. Our weight chart covers thin wall, medium wall, and heavy wall pipes in sizes ranging from ½” NB to 24” NB (custom sizes available on request).

All pipes are supplied with MTCs (Mill Test Certificates) as per EN 10204 3.1 / 3.2, traceable heat numbers, and conforming to ASME SA312 TP 310S / ASTM A312 TP 310S specifications.

• Weight chart provided for accurate calculation of SS 310S seamless pipes
• Export-ready packaging for Mumbai, India & global markets
• Fast delivery from stock – both domestic and export orders

The HSN Code for Stainless Steel 310S Seamless Pipe is 73044100. This classification falls under Chapter 73: Articles of Iron or Steel and specifically refers to stainless steel seamless tubes and pipes.

At Alliance Pipes & Fittings, we supply SS 310S Seamless Pipes as per ASME SA312 TP 310S and ASTM A312 TP 310S, ensuring compliance with global trade standards. The HSN Code 73044100 is essential for customs clearance, GST compliance, and international exports, making it easier for our clients to manage documentation and logistics.

• Used for taxation and GST billing in India
• Facilitates customs clearance for exports/imports
• Ensures harmonized classification across countries
• Helps in accurate cost calculations and trade compliance
   

Being a trusted SS 310S Pipes Supplier in Mumbai, we provide complete export documentation

• USA – New York, Houston, Los Angeles, Chicago
• Canada – Toronto, Vancouver, Montreal, Calgary
• UK – London, Birmingham, Manchester, Liverpool
• Germany – Berlin, Hamburg, Munich, Frankfurt
• Italy – Milan, Rome, Turin, Venice
• France – Paris, Marseille, Lyon, Toulouse
• UAE – Dubai, Abu Dhabi, Sharjah
• Saudi Arabia – Riyadh, Jeddah, Dammam, Jubail
• Qatar – Doha, Al Rayyan, Dukhan
• Singapore – Jurong, Tuas, Central Business District
• Malaysia – Kuala Lumpur, Penang, Johor Bahru
• South Africa – Johannesburg, Cape Town, Durban
• Australia – Sydney, Melbourne, Perth, Brisbane
   

• Largest ready stock of ASME SA312 TP 310S / ASTM A312 TP 310S pipes
• Exporting to 50+ countries and 100+ cities worldwide
• Custom cut-to-length supply for project requirements
• Seaworthy wooden box & plastic cap protection for pipes
• On-time delivery via sea freight, air cargo & courier logistics
• Competitive pricing with global shipping support

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