ASTM A372 Grade K Liquid Quenched and Tempered, or Normalized followed by Liquid Quench and Temper

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Equivalent Materials

This material data has been provided by ASTM.

"Typical" values were obtained via a literature search. "Predicted" values were imputed via artificial intelligence technology. While we have placed significant efforts in ensuring data accuracy, "typical" and "predicted" data should be considered indicative and verified by appropriate material testing. Please do contact us if additional information on the the predicted data method is required.
All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

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Properties

General

PropertyTemperatureValueComment

Density

20.0 °C

7.8 - 7.9 g/cm³

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Typical for Nickel Chromium Molybdenum Steel

Mechanical

PropertyTemperatureValueComment

Elastic modulus

20.0 °C

200 - 215 GPa

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Typical for Nickel Chromium Molybdenum Steel

Elongation A50

20.0 °C

20 %

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Hardness, Brinell

20.0 °C

207 [-]

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Poisson's ratio

20.0 °C

0.29 [-]

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Typical for Nickel Chromium Molybdenum Steel

Tensile strength

20.0 °C

690 - 860 MPa

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Yield Strength Rp0.2, short transverse

20.0 °C

550 MPa

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Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

20.0 °C

1E-5 - 1.3E-5 1/K

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Typical for Nickel Chromium Molybdenum Steel

Melting point

1382 - 1529 °C

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Typical for Nickel Chromium Molybdenum Steel

Thermal conductivity

20.0 °C

34 - 54 W/(m·K)

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Typical for Nickel Chromium Molybdenum Steel

Chemical properties

PropertyValue

Carbon

0.18 %

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Chromium

1 - 1.8 %

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Manganese

0.1 - 0.4 %

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Molybdenum

0.2 - 0.6 %

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Nickel

2 - 3.3 %

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Phosphorus

0.02 %

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Silicon

0.15 - 0.35 %

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Sulfur

0.01 %

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