ASTM A709 Grade HPS 345W Quenched and Tempered

ASTM A709 Grade HPS 345W Quenched and Tempered general

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

ASTM A709 Grade HPS 345W Quenched and Tempered thermal

Property Temperature Value Comment
Coefficient of thermal expansion 23.0 °C Coefficient of thermal expansion of 1.32E-5 - 1.38E-5 1/K Typical for Low Carbon Steel
Max service temperature - Max service temperature of 500 °C Typical for Carbon Steel
Melting point - Melting point of 1480 - 1526 °C Typical for Low Carbon Steel
Specific heat capacity 23.0 °C Specific heat capacity of 465 J/(kg·K) Typical for Low Carbon Steel
Thermal conductivity 23.0 °C Thermal conductivity of 25 - 93 W/(m·K) Typical for Low Carbon Steel

ASTM A709 Grade HPS 345W Quenched and Tempered chemical

Property Value
Aluminium Aluminium of 0.01 - 0.04 %
Carbon Carbon of 0.11 %
Chromium Chromium of 0.45 - 0.7 %
Copper Copper of 0.25 - 0.4 %
Manganese Manganese of 1.1 - 1.35 %
Molybdenum Molybdenum of 0.02 - 0.08 %
Nickel Nickel of 0.25 - 0.4 %
Nitrogen Nitrogen of 0.02 %
Phosphorus Phosphorus of 0.02 %
Silicon Silicon of 0.3 - 0.5 %
Sulfur Sulfur of 6E-3 %
Vanadium Vanadium of 0.04 - 0.08 %

ASTM A709 Grade HPS 345W Quenched and Tempered magnetic

Property Value Comment
Curie temperature Curie temperature of 770 °C Typical for Low Carbon Steel

ASTM A709 Grade HPS 345W 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 A709 Grade HPS 345W Quenched and Tempered mechanical

Property Temperature Value Comment
Elastic modulus 23.0 °C Elastic modulus of 200 - 215 GPa Typical for Low Carbon Steel
Elongation A50 23.0 °C Elongation A50 of 21 % -
Poisson's ratio 23.0 °C Poisson's ratio of 0.29 [-] Typical for Low Carbon Steel
Shear modulus 23.0 °C Shear modulus of 82 GPa Typical for Low Carbon Steel
Tensile strength 23.0 °C Tensile strength of 485 MPa -
Yield strength Rp0.2 23.0 °C Yield strength Rp0.2 of 345 MPa -

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