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CR011A Copper vs. ASTM A372 Grade M Steel

CR011A copper belongs to the copper alloys classification, while ASTM A372 grade M steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is CR011A copper and the bottom bar is ASTM A372 grade M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 15
18 to 21
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 43
73
Tensile Strength: Ultimate (UTS), MPa 220
810 to 910
Tensile Strength: Yield (Proof), MPa 130
660 to 770

Thermal Properties

Latent Heat of Fusion, J/g 210
250
Maximum Temperature: Mechanical, °C 200
450
Melting Completion (Liquidus), °C 1090
1460
Melting Onset (Solidus), °C 1040
1420
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 390
46
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 100
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 32
5.0
Density, g/cm3 9.0
7.9
Embodied Carbon, kg CO2/kg material 2.6
2.0
Embodied Energy, MJ/kg 42
27
Embodied Water, L/kg 340
61

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
160
Resilience: Unit (Modulus of Resilience), kJ/m3 76
1140 to 1580
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 6.8
29 to 32
Strength to Weight: Bending, points 9.0
24 to 27
Thermal Diffusivity, mm2/s 110
12
Thermal Shock Resistance, points 7.8
24 to 27

Alloy Composition

Bismuth (Bi), % 0 to 0.00050
0
Carbon (C), % 0
0 to 0.23
Chromium (Cr), % 0
1.5 to 2.0
Copper (Cu), % 99.88 to 99.97
0
Iron (Fe), % 0
92.5 to 95.1
Manganese (Mn), % 0
0.2 to 0.4
Molybdenum (Mo), % 0
0.4 to 0.6
Nickel (Ni), % 0
2.8 to 3.9
Oxygen (O), % 0 to 0.040
0
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0
0 to 0.3
Silver (Ag), % 0.030 to 0.050
0
Sulfur (S), % 0
0 to 0.010
Vanadium (V), % 0
0 to 0.080