ASTM A789 Grade S32550 Heat-Treated

Equivalent material: ASTM 255, UNS S32550

ASTM A789 Grade S32550 Heat-Treated general

Property Temperature Value Comment
Density 23.0 °C Density of 7.8 g/cm³ Typical for Duplex Stainless Steel

ASTM A789 Grade S32550 Heat-Treated thermal

Property Temperature Value Comment
Coefficient of thermal expansion 23.0 °C Coefficient of thermal expansion of 1E-5 1/K Typical for Duplex Stainless Steel
Max service temperature - Max service temperature of 300 °C Typical for Duplex Stainless Steel
Melting point - Melting point of 1375 - 1450 °C Typical for Duplex Stainless Steel
Specific heat capacity 23.0 °C Specific heat capacity of 440 - 502 J/(kg·K) Typical for Duplex Stainless Steel
Thermal conductivity 23.0 °C Thermal conductivity of 13 - 30 W/(m·K) Typical for Duplex Stainless Steel

ASTM A789 Grade S32550 Heat-Treated chemical

Property Value
Carbon Carbon of 0.04 %
Chromium Chromium of 24 - 27 %
Copper Copper of 1.5 - 2.5 %
Manganese Manganese of 1.5 %
Molybdenum Molybdenum of 2.9 - 3.9 %
Nickel Nickel of 4.5 - 6.5 %
Nitrogen Nitrogen of 0.1 - 0.25 %
Phosphorus Phosphorus of 0.04 %
Silicon Silicon of 1 %
Sulfur Sulfur of 0.03 %

ASTM A789 Grade S32550 Heat-Treated mechanical

Property Temperature Value Comment
Elastic modulus 23.0 °C Elastic modulus of 200 GPa Typical for Duplex Stainless Steel
Elongation A50 23.0 °C Elongation A50 of 15 % -
Hardness, Brinell 23.0 °C Hardness, Brinell of 297 [-] -
Hardness, Rockwell C 23.0 °C Hardness, Rockwell C of 31 [-] -
Hardness, Vickers 23.0 °C Hardness, Vickers of 295 [-] -
Poisson's ratio 23.0 °C Poisson's ratio of 0.3 [-] Typical for Duplex Stainless Steel
Shear modulus 23.0 °C Shear modulus of 77 GPa Typical for Duplex Stainless Steel
Tensile strength 23.0 °C Tensile strength of 760 MPa -
Yield strength 23.0 °C Yield strength of 550 MPa -

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