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ASTM A312 TP310S Stainless Steel Seamless Pipe For Oil and Gas
ASTM A312 TP310S is a high-alloy austenitic stainless steel pipe designed for high-temperature and corrosion-resistant applications. It is a seamless pipe manufactured under the ASTM A312 standard, which specifies seamless, straight-seam, or welded stainless steel pipes for high-temperature and general corrosion service.
Key Features:
Material Grade: TP310S (UNS S31008)
Chemical Composition: High chromium (24-26%) and nickel (19-22%) content, providing excellent resistance to oxidation and corrosion at elevated temperatures.
Heat Resistance: Exceptional resistance to oxidation up to 1100°C (2012°F) in continuous service and 1035°C (1895°F) in intermittent service.
Corrosion Resistance: Superior resistance to intergranular corrosion, pitting, and stress corrosion cracking, even in harsh environments.
Mechanical Properties:
Tensile Strength: ≥515 MPa (minimum)
Yield Strength: ≥205 MPa (minimum)
Elongation: ≥35%
Seamless Design: Ensures uniform strength, reliability, and leak-free performance, especially under high-pressure conditions.
Applications: High-temperature environments such as heat exchangers, furnace components, chemical process equipment, and power generation.
Below is a detailed table summarizing the thermal, physical, and mechanical properties of ASTM A213 TP310S:
Property Type
Property
Value
Significance
Thermal Properties
Thermal Conductivity
14.2 W/m·K (20°C), 19 W/m·K (500°C)
Moderate conductivity for high-temp stability.
Coefficient of Thermal Expansion
16.1 × 10⁻⁶ /°C (20–1000°C)
Low expansion reduces thermal distortion.
Specific Heat Capacity
500 J/kg·K (20°C)
Efficient heat absorption.
Melting Point
1400–1450°C
Stable at extreme heat.
Oxidation Resistance
Continuous: 1100°C; Intermittent: 1035°C
Excellent performance in oxidizing atmospheres.
Physical Properties
Density
7.9 g/cm³
High strength-to-weight ratio.
Modulus of Elasticity
200 GPa
High rigidity for dimensional stability under load.
Electrical Resistivity
0.78 μΩ·m (20°C)
Good resistivity for high-temperature electrical systems.
Magnetic Permeability
Non-magnetic (annealed condition)
Suitable for non-magnetic applications.
Mechanical Properties
Tensile Strength
515 MPa (min), 735 MPa (max)
High durability in high-stress conditions.
Yield Strength (0.2% offset)
205 MPa (min)
Resists deformation under load.
Elongation
35% (min)
High ductility for forming and shaping.
Hardness
217 HBW, 95 HRB
Balances wear resistance and machinability.
Creep Strength
Excellent at elevated temperatures
Prolonged use in high-temperature environments.
Impact Strength
High
Toughness at both room and elevated temperatures.
Applications of ASTM A312 TP310S Pipe:
Petrochemical and Chemical Industries: Handles corrosive materials and high-temperature fluids.
Power Plants: Suitable for superheater and reheater tubes in boilers.
Furnaces and Thermal Equipment: Used in environments requiring excellent heat resistance.
Food and Beverage Industry: For processing environments requiring cleanliness and corrosion resistance.
Benefits of Using ASTM A312 TP310S:
Durability: High mechanical strength and toughness, even at elevated temperatures.
Corrosion Resistance: Excellent performance in acidic and oxidizing environments.
Versatility: Seamless design makes it suitable for critical applications.
Low Maintenance: Longer service life reduces maintenance costs.
Standards and Specifications:
Manufacturing Standard: ASTM A312
Pipe Type: Seamless
Dimension Standards: ASME B36.19 and B36.10
Available Sizes: Typically ranges from 1/8” to 24” in diameter, with customized sizes available upon request.
Surface Finish: Pickled, polished, or as per customer requirements.
YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9...
YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9...