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AISI 430 Stainless Steel vs. CR012A Copper

AISI 430 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 (8, in this case) are not shown.

For each property being compared, the top bar is AISI 430 stainless steel and the bottom bar is CR012A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 24
15
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 77
43
Tensile Strength: Ultimate (UTS), MPa 500
220
Tensile Strength: Yield (Proof), MPa 260
130

Thermal Properties

Latent Heat of Fusion, J/g 280
210
Maximum Temperature: Mechanical, °C 870
200
Melting Completion (Liquidus), °C 1510
1090
Melting Onset (Solidus), °C 1430
1040
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 25
390
Thermal Expansion, µm/m-K 10
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
100
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
100

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
33
Density, g/cm3 7.7
9.0
Embodied Carbon, kg CO2/kg material 2.1
2.7
Embodied Energy, MJ/kg 30
42
Embodied Water, L/kg 120
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
29
Resilience: Unit (Modulus of Resilience), kJ/m3 170
76
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 18
6.8
Strength to Weight: Bending, points 18
9.0
Thermal Diffusivity, mm2/s 6.7
110
Thermal Shock Resistance, points 18
7.8

Alloy Composition

Bismuth (Bi), % 0
0 to 0.00050
Carbon (C), % 0 to 0.12
0
Chromium (Cr), % 16 to 18
0
Copper (Cu), % 0
99.85 to 99.94
Iron (Fe), % 79.1 to 84
0
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 0 to 0.75
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 to 0.030
0