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CR012A Copper vs. ASTM Grade HP Steel

CR012A copper belongs to the copper alloys classification, while ASTM grade HP steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is CR012A copper and the bottom bar is ASTM grade HP steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 15
5.1
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
78
Tensile Strength: Ultimate (UTS), MPa 220
490
Tensile Strength: Yield (Proof), MPa 130
260

Thermal Properties

Latent Heat of Fusion, J/g 210
320
Maximum Temperature: Mechanical, °C 200
1100
Melting Completion (Liquidus), °C 1090
1370
Melting Onset (Solidus), °C 1040
1330
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 390
12
Thermal Expansion, µm/m-K 17
16

Otherwise Unclassified Properties

Base Metal Price, % relative 33
34
Density, g/cm3 9.0
7.9
Embodied Carbon, kg CO2/kg material 2.7
5.8
Embodied Energy, MJ/kg 42
82
Embodied Water, L/kg 360
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
21
Resilience: Unit (Modulus of Resilience), kJ/m3 76
170
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 6.8
17
Strength to Weight: Bending, points 9.0
17
Thermal Diffusivity, mm2/s 110
3.2
Thermal Shock Resistance, points 7.8
11

Alloy Composition

Bismuth (Bi), % 0 to 0.00050
0
Carbon (C), % 0
0.35 to 0.75
Chromium (Cr), % 0
24 to 28
Copper (Cu), % 99.85 to 99.94
0
Iron (Fe), % 0
29.2 to 42.7
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
33 to 37
Oxygen (O), % 0 to 0.040
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 2.5
Silver (Ag), % 0.060 to 0.080
0
Sulfur (S), % 0
0 to 0.040