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CR012A Copper vs. EN 1.4525 Stainless Steel

CR012A copper belongs to the copper alloys classification, while EN 1.4525 stainless steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is CR012A copper and the bottom bar is EN 1.4525 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 15
5.6 to 13
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
76
Tensile Strength: Ultimate (UTS), MPa 220
1030 to 1250
Tensile Strength: Yield (Proof), MPa 130
840 to 1120

Thermal Properties

Latent Heat of Fusion, J/g 210
280
Maximum Temperature: Mechanical, °C 200
860
Melting Completion (Liquidus), °C 1090
1430
Melting Onset (Solidus), °C 1040
1390
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 390
18
Thermal Expansion, µm/m-K 17
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 100
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 33
13
Density, g/cm3 9.0
7.8
Embodied Carbon, kg CO2/kg material 2.7
2.8
Embodied Energy, MJ/kg 42
39
Embodied Water, L/kg 360
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
68 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 76
1820 to 3230
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 6.8
36 to 45
Strength to Weight: Bending, points 9.0
29 to 33
Thermal Diffusivity, mm2/s 110
4.7
Thermal Shock Resistance, points 7.8
34 to 41

Alloy Composition

Bismuth (Bi), % 0 to 0.00050
0
Carbon (C), % 0
0 to 0.070
Chromium (Cr), % 0
15 to 17
Copper (Cu), % 99.85 to 99.94
2.5 to 4.0
Iron (Fe), % 0
70.4 to 79
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.8
Nickel (Ni), % 0
3.5 to 5.5
Niobium (Nb), % 0
0 to 0.35
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0 to 0.040
0
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0
0 to 0.8
Silver (Ag), % 0.060 to 0.080
0
Sulfur (S), % 0
0 to 0.025