ASTM A757 Grade A1Q Quenched and Tempered

Equivalent material: UNS J03002, ASTM A1Q

ASTM A757 Grade A1Q Quenched and Tempered general

Property Temperature Value Comment
Density 23.0 °C Density of 7.8 - 7.9 g/cm³ Typical for Medium Carbon Steel

ASTM A757 Grade A1Q Quenched and Tempered thermal

Property Temperature Value Comment
Coefficient of thermal expansion 23.0 °C Coefficient of thermal expansion of 1.32E-5 1/K Typical for Medium Carbon Steel
Max service temperature - Max service temperature of 500 °C Typical for Carbon Steel
Melting point - Melting point of 1380 - 1514 °C Typical for Medium Carbon Steel
Specific heat capacity 23.0 °C Specific heat capacity of 470 - 520 J/(kg·K) Typical for Medium Carbon Steel
Thermal conductivity 23.0 °C Thermal conductivity of 21 - 52 W/(m·K) Typical for Medium Carbon Steel

ASTM A757 Grade A1Q Quenched and Tempered chemical

Property Value
Carbon Carbon of 0.3 %
Manganese Manganese of 1 %
Phosphorus Phosphorus of 0.03 %
Silicon Silicon of 0.6 %
Sulfur Sulfur of 0.025 %

ASTM A757 Grade A1Q Quenched and Tempered electrical

Property Temperature Value Comment
Electrical resistivity 23.0 °C Electrical resistivity of 1.43E-7 - 1.74E-7 Ω·m Typical for Carbon Steel

ASTM A757 Grade A1Q Quenched and Tempered mechanical

Property Temperature Value Comment
Charpy impact energy 23.0 °C Charpy impact energy of 17 J -
Elastic modulus 23.0 °C Elastic modulus of 200 - 215 GPa Typical for Medium Carbon Steel
Elongation A50 23.0 °C Elongation A50 of 24 % -
Poisson's ratio 23.0 °C Poisson's ratio of 0.29 [-] Typical for Medium Carbon Steel
Reduction of area 23.0 °C Reduction of area of 35 % -
Shear modulus 23.0 °C Shear modulus of 75 - 80 GPa Typical for Carbon Steel
Tensile strength 23.0 °C Tensile strength of 450 MPa -
Yield strength Rp0.2 23.0 °C Yield strength Rp0.2 of 240 MPa -

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