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AISI 309 Stainless Steel vs. CR022A Copper

AISI 309 stainless steel belongs to the iron alloys classification, while CR022A 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 CR022A 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
230
Tensile Strength: Yield (Proof), MPa 260 to 350
140

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
380
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
31
Density, g/cm3 7.8
9.0
Embodied Carbon, kg CO2/kg material 3.6
2.6
Embodied Energy, MJ/kg 51
41
Embodied Water, L/kg 170
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200 to 230
31
Resilience: Unit (Modulus of Resilience), kJ/m3 170 to 310
83
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 21 to 25
7.1
Strength to Weight: Bending, points 20 to 23
9.3
Thermal Diffusivity, mm2/s 4.3
110
Thermal Shock Resistance, points 14 to 16
8.1

Alloy Composition

Antimony (Sb), % 0
0 to 0.00040
Arsenic (As), % 0
0 to 0.00050
Bismuth (Bi), % 0
0 to 0.00020
Cadmium (Cd), % 0
0 to 0.00010
Carbon (C), % 0 to 0.2
0
Chromium (Cr), % 22 to 24
0
Copper (Cu), % 0
99.99 to 99.999
Iron (Fe), % 58 to 66
0 to 0.0010
Lead (Pb), % 0
0 to 0.00050
Manganese (Mn), % 0 to 2.0
0 to 0.00050
Nickel (Ni), % 12 to 15
0 to 0.0010
Phosphorus (P), % 0 to 0.045
0.0010 to 0.0060
Selenium (Se), % 0
0 to 0.00020
Silicon (Si), % 0 to 0.75
0
Silver (Ag), % 0
0 to 0.0025
Sulfur (S), % 0 to 0.030
0 to 0.0015
Tellurium (Te), % 0
0 to 0.00020
Tin (Sn), % 0
0 to 0.00020
Zinc (Zn), % 0
0 to 0.00010