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AISI 309 Stainless Steel vs. CR012A Copper

AISI 309 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 (6, in this case) are not shown.

For each property being compared, the top bar is AISI 309 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, % 34 to 47
15
Poisson's Ratio 0.27
0.34
Shear Modulus, GPa 78
43
Tensile Strength: Ultimate (UTS), MPa 600 to 710
220
Tensile Strength: Yield (Proof), MPa 260 to 350
130

Thermal Properties

Latent Heat of Fusion, J/g 290
210
Maximum Temperature: Mechanical, °C 980
200
Melting Completion (Liquidus), °C 1450
1090
Melting Onset (Solidus), °C 1400
1040
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 16
390
Thermal Expansion, µm/m-K 15
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
100
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
100

Otherwise Unclassified Properties

Base Metal Price, % relative 19
33
Density, g/cm3 7.8
9.0
Embodied Carbon, kg CO2/kg material 3.6
2.7
Embodied Energy, MJ/kg 51
42
Embodied Water, L/kg 170
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200 to 230
29
Resilience: Unit (Modulus of Resilience), kJ/m3 170 to 310
76
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 21 to 25
6.8
Strength to Weight: Bending, points 20 to 23
9.0
Thermal Diffusivity, mm2/s 4.3
110
Thermal Shock Resistance, points 14 to 16
7.8

Alloy Composition

Bismuth (Bi), % 0
0 to 0.00050
Carbon (C), % 0 to 0.2
0
Chromium (Cr), % 22 to 24
0
Copper (Cu), % 0
99.85 to 99.94
Iron (Fe), % 58 to 66
0
Manganese (Mn), % 0 to 2.0
0
Nickel (Ni), % 12 to 15
0
Oxygen (O), % 0
0 to 0.040
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 0.75
0
Silver (Ag), % 0
0.060 to 0.080
Sulfur (S), % 0 to 0.030
0