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CR014A Copper vs. S31730 Stainless Steel

CR014A copper belongs to the copper alloys classification, while S31730 stainless steel belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is CR014A copper and the bottom bar is S31730 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 15
40
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
77
Tensile Strength: Ultimate (UTS), MPa 230
540
Tensile Strength: Yield (Proof), MPa 140
200

Thermal Properties

Latent Heat of Fusion, J/g 210
290
Maximum Temperature: Mechanical, °C 200
990
Melting Completion (Liquidus), °C 1090
1430
Melting Onset (Solidus), °C 1040
1390
Specific Heat Capacity, J/kg-K 390
470
Thermal Expansion, µm/m-K 17
16

Otherwise Unclassified Properties

Base Metal Price, % relative 32
24
Density, g/cm3 9.0
8.0
Embodied Carbon, kg CO2/kg material 2.6
4.6
Embodied Energy, MJ/kg 42
63
Embodied Water, L/kg 340
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
170
Resilience: Unit (Modulus of Resilience), kJ/m3 83
99
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 7.1
19
Strength to Weight: Bending, points 9.3
18
Thermal Shock Resistance, points 8.1
12

Alloy Composition

Bismuth (Bi), % 0 to 0.00050
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
17 to 19
Copper (Cu), % 99.913 to 99.969
4.0 to 5.0
Iron (Fe), % 0
52.4 to 61
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
3.0 to 4.0
Nickel (Ni), % 0
15 to 16.5
Nitrogen (N), % 0
0 to 0.045
Phosphorus (P), % 0.0010 to 0.0070
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Silver (Ag), % 0.030 to 0.050
0
Sulfur (S), % 0
0 to 0.010