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EN 1.4029 Stainless Steel vs. CR012A Copper

EN 1.4029 stainless steel belongs to the iron alloys classification, while CR012A copper belongs to the copper 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 EN 1.4029 stainless steel and the bottom bar is CR012A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 10 to 20
15
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 76
43
Tensile Strength: Ultimate (UTS), MPa 700 to 930
220
Tensile Strength: Yield (Proof), MPa 410 to 740
130

Thermal Properties

Latent Heat of Fusion, J/g 270
210
Maximum Temperature: Mechanical, °C 750
200
Melting Completion (Liquidus), °C 1440
1090
Melting Onset (Solidus), °C 1400
1040
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 30
390
Thermal Expansion, µm/m-K 10
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.1
100
Electrical Conductivity: Equal Weight (Specific), % IACS 3.7
100

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
33
Density, g/cm3 7.7
9.0
Embodied Carbon, kg CO2/kg material 2.0
2.7
Embodied Energy, MJ/kg 28
42
Embodied Water, L/kg 100
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 89 to 120
29
Resilience: Unit (Modulus of Resilience), kJ/m3 440 to 1410
76
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 25 to 33
6.8
Strength to Weight: Bending, points 23 to 27
9.0
Thermal Diffusivity, mm2/s 8.1
110
Thermal Shock Resistance, points 26 to 34
7.8

Alloy Composition

Bismuth (Bi), % 0
0 to 0.00050
Carbon (C), % 0.25 to 0.32
0
Chromium (Cr), % 12 to 13.5
0
Copper (Cu), % 0
99.85 to 99.94
Iron (Fe), % 82.8 to 87.6
0
Manganese (Mn), % 0 to 1.5
0
Molybdenum (Mo), % 0 to 0.6
0
Oxygen (O), % 0
0 to 0.040
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Silver (Ag), % 0
0.060 to 0.080
Sulfur (S), % 0.15 to 0.25
0