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AISI 317L Stainless Steel vs. CR020A Copper

AISI 317L stainless steel belongs to the iron alloys classification, while CR020A copper belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is AISI 317L stainless steel and the bottom bar is CR020A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 44
15
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 82
43
Tensile Strength: Ultimate (UTS), MPa 550
220
Tensile Strength: Yield (Proof), MPa 250
130

Thermal Properties

Latent Heat of Fusion, J/g 290
210
Maximum Temperature: Mechanical, °C 1010
200
Melting Completion (Liquidus), °C 1400
1090
Melting Onset (Solidus), °C 1380
1040
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 14
380
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
100
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
100

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
29
Resilience: Unit (Modulus of Resilience), kJ/m3 150
76
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 19
6.8
Strength to Weight: Bending, points 19
9.0
Thermal Diffusivity, mm2/s 3.8
110
Thermal Shock Resistance, points 12
7.8

Alloy Composition

Bismuth (Bi), % 0
0 to 0.00050
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 18 to 20
0
Copper (Cu), % 0
99.95 to 99.999
Iron (Fe), % 58 to 68
0
Lead (Pb), % 0
0 to 0.0050
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 3.0 to 4.0
0
Nickel (Ni), % 11 to 15
0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0.0010 to 0.0060
Silicon (Si), % 0 to 0.75
0
Silver (Ag), % 0
0 to 0.015
Sulfur (S), % 0 to 0.030
0