ASTM Grade 21 Moderate Strength

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Equivalent Materials

This material data has been provided by MakeItFrom.com.

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

PropertyValueCondition

Density

5.4 g/cm³

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Moderate Strength

Mechanical

PropertyValueCondition

Elastic modulus

150.0 GPa

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Moderate Strength

Elongation

17.0 %

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Moderate Strength

Tensile strength

1110.0 MPa

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Moderate Strength

Yield strength

980.0 MPa

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Moderate Strength

Thermal

PropertyValueConditionComment

Coefficient of thermal expansion

1.1e-05 1/K

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Moderate Strength

Melting point

1550.0 - 1815.0 °C

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Typical for Titanium Beta Alloy

Specific heat capacity

500.0 J/(kg·K)

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Moderate Strength

Thermal conductivity

6.0 - 11.0 W/(m·K)

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Typical for Titanium Beta Alloy

Chemical properties

PropertyValueCondition

Aluminium

2.5 - 3.5 %

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Moderate Strength

Carbon

0.05 %

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Moderate Strength

Hydrogen

0.015 %

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Moderate Strength

Iron

0.4 %

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Moderate Strength

Molybdenum

14.0 - 16.0 %

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Moderate Strength

Niobium

2.2 - 3.2 %

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Moderate Strength

Nitrogen

0.03 %

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Moderate Strength

Other

0.4 %

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Moderate Strength

Oxygen

0.17 %

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Moderate Strength

Silicon

0.15 - 0.25 %

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Moderate Strength

Titanium

76.0 - 81.2 %

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Moderate Strength