ASTM A732 Grade 3Q Quenched and Tempered

Equivalent material: ASTM Grade 3A, ASTM IC 1040

ASTM A732 Grade 3Q 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 A732 Grade 3Q 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 A732 Grade 3Q Quenched and Tempered magnetic

Property Value
Carbon Carbon of 0.35 - 0.45 %
Manganese Manganese of 0.7 - 1 %
Phosphorus Phosphorus of 0.04 %
Silicon Silicon of 0.2 - 1 %
Sulfur Sulfur of 0.045 %

ASTM A732 Grade 3Q 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 A732 Grade 3Q Quenched and Tempered mechanical

Property Temperature Value Comment
Elastic modulus 23.0 °C Elastic modulus of 200 - 215 GPa Typical for Medium Carbon Steel
Elongation A50 23.0 °C Elongation A50 of 10 % -
Poisson's ratio 23.0 °C Poisson's ratio of 0.29 [-] Typical for Medium Carbon Steel
Shear modulus 23.0 °C Shear modulus of 75 - 80 GPa Typical for Carbon Steel
Tensile strength 23.0 °C Tensile strength of 689 MPa -
Yield strength 23.0 °C Yield strength of 621 MPa -

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Henan Bebon Iron&Steel Co., Ltd.

Xicheng Science & Technology Building High-tech Development Zone, Zhengzhou, China

Tel: +86-371-86151827

E-Mail: [email protected]

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