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CR012A Copper vs. EN 1.3956 Stainless Steel

CR012A copper belongs to the copper alloys classification, while EN 1.3956 stainless steel belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is CR012A copper and the bottom bar is EN 1.3956 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 15
27
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
79
Tensile Strength: Ultimate (UTS), MPa 220
650
Tensile Strength: Yield (Proof), MPa 130
330

Thermal Properties

Latent Heat of Fusion, J/g 210
300
Maximum Temperature: Mechanical, °C 200
1080
Melting Completion (Liquidus), °C 1090
1420
Melting Onset (Solidus), °C 1040
1380
Specific Heat Capacity, J/kg-K 390
480
Thermal Expansion, µm/m-K 17
13

Otherwise Unclassified Properties

Base Metal Price, % relative 33
22
Density, g/cm3 9.0
7.8
Embodied Carbon, kg CO2/kg material 2.7
4.8
Embodied Energy, MJ/kg 42
68
Embodied Water, L/kg 360
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
150
Resilience: Unit (Modulus of Resilience), kJ/m3 76
270
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 6.8
23
Strength to Weight: Bending, points 9.0
21
Thermal Shock Resistance, points 7.8
18

Alloy Composition

Bismuth (Bi), % 0 to 0.00050
0
Carbon (C), % 0
0 to 0.060
Chromium (Cr), % 0
20.5 to 23.5
Copper (Cu), % 99.85 to 99.94
0
Iron (Fe), % 0
51.9 to 62.1
Manganese (Mn), % 0
4.0 to 6.0
Molybdenum (Mo), % 0
1.5 to 3.0
Nickel (Ni), % 0
11.5 to 13.5
Niobium (Nb), % 0
0.1 to 0.3
Nitrogen (N), % 0
0.2 to 0.4
Oxygen (O), % 0 to 0.040
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Silver (Ag), % 0.060 to 0.080
0
Sulfur (S), % 0
0 to 0.030
Vanadium (V), % 0
0.1 to 0.3