ASTM A372 Grade G Class 70, Normalized, Normalized and Tempered, Liquid Quenched and Tempered, or Normalized followed by Liquid Quench and Temper

Equivalent material: ASTM Grade G

ASTM A372 Grade G Class 70, Normalized, Normalized and Tempered, Liquid Quenched and Tempered, or Normalized followed by Liquid Quench and Temper general

Property Temperature Value Comment
Density 20.0 °C Density of 7.8 - 7.9 g/cm³ Typical for Medium Carbon Steel

ASTM A372 Grade G Class 70, Normalized, Normalized and Tempered, Liquid Quenched and Tempered, or Normalized followed by Liquid Quench and Temper thermal

Property Temperature Value Comment
Coefficient of thermal expansion 20.0 °C Coefficient of thermal expansion of 1.2E-5 1/K Typical for Carbon Steel
Melting point - Melting point of 1425 - 1514 °C Typical for Medium Carbon Steel

ASTM A372 Grade G Class 70, Normalized, Normalized and Tempered, Liquid Quenched and Tempered, or Normalized followed by Liquid Quench and Temper chemical

Property Value
Carbon Carbon of 0.25 - 0.35 %
Chromium Chromium of 0.4 - 0.65 %
Manganese Manganese of 0.7 - 1 %
Molybdenum Molybdenum of 0.15 - 0.25 %
Phosphorus Phosphorus of 0 - 0.02 %
Silicon Silicon of 0.15 - 0.35 %
Sulfur Sulfur of 0 - 0.01 %

ASTM A372 Grade G Class 70, Normalized, Normalized and Tempered, Liquid Quenched and Tempered, or Normalized followed by Liquid Quench and Temper mechanical

Property Temperature Value Comment
Elongation A50 20.0 °C Elongation A50 of 0 - 18 % -
Hardness, Brinell 20.0 °C Hardness, Brinell of 0 - 248 [-] -
Poisson's ratio 20.0 °C Poisson's ratio of 0.29 [-] Typical for Medium Carbon Steel
Shear modulus 20.0 °C Shear modulus of 75 - 80 GPa Typical for Carbon Steel
Tensile strength 20.0 °C Tensile strength of 825 - 1000 MPa -
Yield Strength Rp0.2, short transverse 20.0 °C Yield Strength Rp0.2, short transverse of 0 - 485 MPa -

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