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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
Raw Material (Round billet - 310S grade)
Piercing (Rotary piercing mill at high temp)
Rolling / Extrusion (Hot finished or cold drawn)
Solution Annealing (Heat treatment at 1040-1120°C)
Zhongcheng Metal: A professional supplier of stainless steel tubes and plates. We export to 11 countries, including Germany, the United States, the United Kingdom, and Japan. By adopting advanced manufacturing processes and implementing comprehensive 5S management across our operations, we provide...
Zhongcheng Metal: A professional supplier of stainless steel tubes and plates. We export to 11 countries, including Germany, the United States, the United Kingdom, and Japan. By adopting advanced manufacturing processes and implementing comprehensive 5S management across our operations, we provide...
