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ASTM A302 Alloy Steel vs. CR011A Copper

ASTM A302 alloy steel belongs to the iron alloys classification, while CR011A copper belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is ASTM A302 alloy steel and the bottom bar is CR011A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 20 to 23
15
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 73
43
Tensile Strength: Ultimate (UTS), MPa 590 to 620
220
Tensile Strength: Yield (Proof), MPa 350 to 390
130

Thermal Properties

Latent Heat of Fusion, J/g 250
210
Maximum Temperature: Mechanical, °C 410
200
Melting Completion (Liquidus), °C 1460
1090
Melting Onset (Solidus), °C 1420
1040
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 39 to 51
390
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2 to 7.4
100
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2 to 8.4
100

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4 to 3.0
32
Density, g/cm3 7.8 to 7.9
9.0
Embodied Carbon, kg CO2/kg material 1.5 to 1.6
2.6
Embodied Energy, MJ/kg 20 to 21
42
Embodied Water, L/kg 48 to 50
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 120
29
Resilience: Unit (Modulus of Resilience), kJ/m3 330 to 410
76
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 21 to 22
6.8
Strength to Weight: Bending, points 20 to 21
9.0
Thermal Diffusivity, mm2/s 10 to 14
110
Thermal Shock Resistance, points 17 to 18
7.8