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Austenitic Chromium Nickel 310S Stainless Steel Seamless Pipe ASTM A312 UNS S31008
Austenitic Chromium Nickel 310S Stainless Steel Seamless Pipe ASTM A312 UNS S31008
Specifications
Brand Name :
Baosteel，TISCO
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
Certification :
EN 10204 Type 3.1 / 3.2 available
Place of Origin :
MADE IN CHAINA
MOQ :
100kg
Price :
Negotiable (Request a Quote)
Payment Terms :
T/T，D/P，D/A，Western Union，PayPal
Supply Ability :
10000tons
Delivery Time :
15-25days
Packaging Details :
Wooden pallets, wooden crates, woven bags, etc.
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
Packaging :
Wooden Case / Wooden Pallet / Steel Frame / Carton / Woven Bag
Supply Capacity :
10000tons
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)
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Austenitic Chromium Nickel 310S Stainless Steel Seamless Pipe ASTM A312 UNS S31008

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Product Detail
Brand Name :
Baosteel，TISCO
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
Certification :
EN 10204 Type 3.1 / 3.2 available
Place of Origin :
MADE IN CHAINA
MOQ :
100kg
Price :
Negotiable (Request a Quote)
Contact Supplier
Austenitic Chromium Nickel 310S Stainless Steel Seamless Pipe ASTM A312 UNS S31008

Shanxi Zhongcheng Metal Co., Ltd.

Verified Supplier
1 Years
Shaanxi
Since 2010
Business Type :
Manufacturer, Distributor/Wholesaler, Importer, Exporter, Trading Company, Seller
Main Products :
Colored Stainless Steel Sheet, Incoloy 800, Stainless Steel Pipe
Total Annual :
20000000-50000000
Employee Number :
50~100
Certification Level :
Verified Supplier
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