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Quality Austenitic Chromium Nickel 310S Stainless Steel Seamless Pipe ASTM A312 UNS S31008 factory
Quality Austenitic Chromium Nickel 310S Stainless Steel Seamless Pipe ASTM A312 UNS S31008 factory

Austenitic Chromium Nickel 310S Stainless Steel Seamless Pipe ASTM A312 UNS S31008

Basic Properties
Place of Origin: MADE IN CHAINA
Brand Name: Baosteel，TISCO
Certification: EN 10204 Type 3.1 / 3.2 available
Model Number: 201 / 202 / 301 / 302 / 303 / 304 / 304L / 305 / 309S / 310S / 316 / 316L / 317 / 317L / 321 / 347 / 409L / 410 / 420 / 430 / 440C / 2205 / 2507
Trading Properties
Minimum Order Quantity: 100kg
Price: Negotiable (Request a Quote)
Payment Terms: T/T，D/P，D/A，Western Union，PayPal
Supply Ability: 10000tons
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Molybdenum Alloy Stainless Steel Pipe

Stainless Steel Pipe Chloride Resistance

Chromium Nickel Stainless Steel Seamless Pipe
Product Summary
310S Seamless Steel Pipe - ASTM A312 310S Seamless Tube Product Overview The 310S seamless pipe is an austenitic chromium-nickel stainless steel grade, known commercially as 2520. With superior oxidation resistance and high-temperature strength, it is the industry standard for continuous operation ...

Product Details

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Chromium Nickel Stainless Steel Seamless Pipe

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Stainless Steel Seamless Pipe UNS S31008

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310S Stainless Steel Pipe ASTM A312
Country Of Origin: MADE IN CHAINA
Brand: Baosteel，TISCO
Certifications: ISO/EN 10204 Type 3.1 / 3.2 Available
Grade: 201 / 202 / 301 / 302 / 303 / 304 / 304L / 305 / 309S / 310S / 316 / 316L / 317 / 317L / 321 / 347 / 409L / 410 / 420 / 430 / 440C / 2205 / 2507 / 630 (17-4PH)
MOQ: 100kg
Price: Negotiable (Request A Quote)
Packaging: Wooden Case / Wooden Pallet / Steel Frame / Carton / Woven Bag
Delivery Time: 15-25days
Payment Terms: T/T，D/P，D/A，Western Union，PayPal
Supply Capacity: 10000tons
Product Description
310S Seamless Steel Pipe - ASTM A312 310S Seamless Tube
Product Overview
The 310S seamless pipe is an austenitic chromium-nickel stainless steel grade, known commercially as 2520. With superior oxidation resistance and high-temperature strength, it is the industry standard for continuous operation up to 1200°C (2192°F).
  • Standard: ASTM A312 / ASME SA312
  • Grade: 310S (UNS S31008)
  • Type: Seamless (Hot-finished or Cold-drawn)
  • Size Range: 1/8" to 24" (DN6 to DN600)
  • Wall Thickness: SCH 5S to SCH XXS
Technical Specifications
Physical Properties
Parameter Value
Material Type Austenitic Stainless Steel
Density 7.98 g/cm³
Melting Point 1400-1450°C (2550-2642°F)
Max Service Temp (Continuous) 1150°C (2100°F)
Max Service Temp (Intermittent) 1040°C (1900°F)
Magnetic Non-magnetic (annealed condition)
Chemical Composition (%)
Element C Si Mn P S Cr Ni
310S ≤0.08 ≤1.50 ≤2.00 ≤0.045 ≤0.030 24.0-26.0 19.0-22.0
Mechanical Properties (Room Temperature)
Property Value
Tensile Strength (Min) 515 MPa (75 ksi)
Yield Strength 0.2% (Min) 205 MPa (30 ksi)
Elongation (Min) 35%
Hardness (Brinell) ≤217 HB
Manufacturing Process
  1. Raw Material (Round billet - 310S grade)
  2. Piercing (Rotary piercing mill at high temp)
  3. Rolling / Extrusion (Hot finished or cold drawn)
  4. Solution Annealing (Heat treatment at 1040-1120°C)
  5. Pickling & Passivation (Descaling & oxide layer removal)
  6. NDT Testing (UT, ET, or Hydrostatic test)
  7. Inspection & Marking
Key Advantages
  • High-Temp Oxidation Resistance: Forms a tight oxide layer, preventing scaling up to 1150°C
  • Creep Strength: Maintains mechanical load under extreme heat
  • Corrosion Resistance: Excellent against sulfur-bearing gases and molten salts
  • Weldability: Similar to other austenitic grades (use 310S filler metal)
Applications
  • Heat Treatment: Furnace parts, radiant tubes, retorts, thermowell sheaths
  • Petrochemical: Cracking tubes, reformers, ammonia converters
  • Power Generation: Superheater tubes, nuclear reactor components
  • Environmental: Industrial incinerators, catalytic converters
  • Others: Kilns, combustion chambers, food processing ovens
Maintenance & Storage
  • Storage: Keep in a dry, ventilated area. Do not mix with carbon steel (risk of rust staining)
  • Cleaning: Avoid chlorine-based cleaners (HCl). Use nitric acid (HNO₃) or citric acid solutions
  • Operation: Avoid direct contact with carbon steel above 500°C (prevents carburization). Drain residual liquid during shutdowns to prevent pitting
Ordering Information
To request a quote, please provide:
  • Quantity (Meters or Tons)
  • Outside Diameter (OD) & Wall Thickness (WT)
  • Length (Fixed or Random)
  • Standard (ASTM A312, ASME SA312, etc.)
  • End Finish (Plain, Beveled, or Threaded)
Contact Us Now
Ready to order or need more information? Our technical team is available to assist with your specific requirements.
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