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Metals - Strength vs. Temperature

The influence of temperature on the strength of metals.

The diagram below indicates the influence of temperature on the strength of

  • bronze
  • copper
  • structural steel
  • castings steel
  • cast iron
  • wrought iron
  • stainless steel (304N)

Strength of Metals - SI Units

influence of temperature on strength of metals - SI units

Strength of Metals - Imperial Units

influence of temperature on strength of metals - Imperial units

Most ferrous metals have their maximal strength at about 200 oC (400 oF). Modulus of elasticity decreases gradually with increased temperature until it rapidly falls off.

Example - Strength of Copper at 100 oC

As indicated in the first figure - the strength of copper is reduced to approximately

95 % at 100 oC

With an Ultimate Tensile Strength - σu - of 220 MPa for copper - the strength is reduced to

0.95 (220 MPa)

= 209 MPa

Related Topics

  • Material Properties

    Properties of gases, fluids and solids. Densities, specific heats, viscosities and more.

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