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CR023A Copper vs. AISI 317 Stainless Steel

CR023A copper belongs to the copper alloys classification, while AISI 317 stainless steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is CR023A copper and the bottom bar is AISI 317 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 15
35 to 55
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
79
Tensile Strength: Ultimate (UTS), MPa 220
580 to 710
Tensile Strength: Yield (Proof), MPa 130
250 to 420

Thermal Properties

Latent Heat of Fusion, J/g 210
290
Maximum Temperature: Mechanical, °C 200
590
Melting Completion (Liquidus), °C 1090
1400
Melting Onset (Solidus), °C 1040
1380
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 380
15
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 100
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 31
21
Density, g/cm3 9.0
7.9
Embodied Carbon, kg CO2/kg material 2.6
4.3
Embodied Energy, MJ/kg 41
59
Embodied Water, L/kg 320
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
210 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 76
150 to 430
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 6.8
20 to 25
Strength to Weight: Bending, points 9.0
20 to 22
Thermal Diffusivity, mm2/s 110
4.1
Thermal Shock Resistance, points 7.8
12 to 15

Alloy Composition

Bismuth (Bi), % 0 to 0.00050
0
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0
18 to 20
Copper (Cu), % 99.9 to 99.995
0
Iron (Fe), % 0
58 to 68
Lead (Pb), % 0 to 0.0050
0
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
3.0 to 4.0
Nickel (Ni), % 0
11 to 15
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0.0050 to 0.013
0 to 0.045
Silicon (Si), % 0
0 to 0.75
Silver (Ag), % 0 to 0.015
0
Sulfur (S), % 0
0 to 0.030