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EN 1.7231 Steel vs. CR006A Copper

EN 1.7231 steel belongs to the iron alloys classification, while CR006A copper belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.7231 steel and the bottom bar is CR006A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 11 to 12
15
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 73
43
Tensile Strength: Ultimate (UTS), MPa 790 to 930
230
Tensile Strength: Yield (Proof), MPa 570 to 800
140

Thermal Properties

Latent Heat of Fusion, J/g 250
210
Maximum Temperature: Mechanical, °C 420
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 46
380
Thermal Expansion, µm/m-K 13
17

Otherwise Unclassified Properties

Base Metal Price, % relative 2.5
31
Density, g/cm3 7.8
9.0
Embodied Carbon, kg CO2/kg material 1.5
2.6
Embodied Energy, MJ/kg 20
41
Embodied Water, L/kg 51
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 87 to 100
31
Resilience: Unit (Modulus of Resilience), kJ/m3 870 to 1700
83
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 28 to 33
7.1
Strength to Weight: Bending, points 24 to 27
9.3
Thermal Diffusivity, mm2/s 12
110
Thermal Shock Resistance, points 23 to 27
8.1

Alloy Composition

Carbon (C), % 0.38 to 0.45
0
Chromium (Cr), % 0.8 to 1.2
0
Copper (Cu), % 0
99.9 to 100
Iron (Fe), % 96.4 to 98.1
0
Manganese (Mn), % 0.6 to 1.0
0
Molybdenum (Mo), % 0.15 to 0.3
0
Oxygen (O), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.6
0
Silver (Ag), % 0
0 to 0.015
Sulfur (S), % 0 to 0.030
0