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CR012A Copper vs. EN 1.4958 Stainless Steel

CR012A copper belongs to the copper alloys classification, while EN 1.4958 stainless 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 CR012A copper and the bottom bar is EN 1.4958 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 220
630
Tensile Strength: Yield (Proof), MPa 130
190

Thermal Properties

Latent Heat of Fusion, J/g 210
300
Maximum Temperature: Mechanical, °C 200
1090
Melting Completion (Liquidus), °C 1090
1400
Melting Onset (Solidus), °C 1040
1350
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 390
12
Thermal Expansion, µm/m-K 17
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 100
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 33
30
Density, g/cm3 9.0
8.0
Embodied Carbon, kg CO2/kg material 2.7
5.3
Embodied Energy, MJ/kg 42
75
Embodied Water, L/kg 360
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
190
Resilience: Unit (Modulus of Resilience), kJ/m3 76
95
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 6.8
22
Strength to Weight: Bending, points 9.0
20
Thermal Diffusivity, mm2/s 110
3.2
Thermal Shock Resistance, points 7.8
15

Alloy Composition

Aluminum (Al), % 0
0.2 to 0.5
Bismuth (Bi), % 0 to 0.00050
0
Carbon (C), % 0
0.030 to 0.080
Chromium (Cr), % 0
19 to 22
Cobalt (Co), % 0
0 to 0.5
Copper (Cu), % 99.85 to 99.94
0 to 0.5
Iron (Fe), % 0
41.1 to 50.6
Manganese (Mn), % 0
0 to 1.5
Nickel (Ni), % 0
30 to 32.5
Niobium (Nb), % 0
0 to 0.1
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0 to 0.040
0
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0
0 to 0.7
Silver (Ag), % 0.060 to 0.080
0
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0
0.2 to 0.5