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CR012A Copper vs. K94200 Alloy

CR012A copper belongs to the copper alloys classification, while K94200 alloy belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is CR012A copper and the bottom bar is K94200 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
140
Elongation at Break, % 15
5.0 to 32
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 43
54
Tensile Strength: Ultimate (UTS), MPa 220
500 to 710
Tensile Strength: Yield (Proof), MPa 130
270 to 650

Thermal Properties

Melting Onset (Solidus), °C 1040
1440
Specific Heat Capacity, J/kg-K 390
500
Thermal Conductivity, W/m-K 390
15
Thermal Expansion, µm/m-K 17
5.0

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 100
3.0

Otherwise Unclassified Properties

Density, g/cm3 9.0
8.2

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
35 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 76
250 to 1460
Stiffness to Weight: Axial, points 7.2
9.8
Stiffness to Weight: Bending, points 18
21
Strength to Weight: Axial, points 6.8
17 to 24
Strength to Weight: Bending, points 9.0
17 to 22
Thermal Diffusivity, mm2/s 110
3.7
Thermal Shock Resistance, points 7.8
49 to 70