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AISI 317 Stainless Steel vs. C18900 Copper

AISI 317 stainless steel belongs to the iron alloys classification, while C18900 copper belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is AISI 317 stainless steel and the bottom bar is C18900 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 35 to 55
14 to 48
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 79
43
Shear Strength, MPa 420 to 470
190 to 300
Tensile Strength: Ultimate (UTS), MPa 580 to 710
260 to 500
Tensile Strength: Yield (Proof), MPa 250 to 420
67 to 390

Thermal Properties

Latent Heat of Fusion, J/g 290
210
Maximum Temperature: Mechanical, °C 590
200
Melting Completion (Liquidus), °C 1400
1080
Melting Onset (Solidus), °C 1380
1020
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 15
130
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
30
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
30

Otherwise Unclassified Properties

Base Metal Price, % relative 21
31
Density, g/cm3 7.9
8.9
Embodied Carbon, kg CO2/kg material 4.3
2.7
Embodied Energy, MJ/kg 59
42
Embodied Water, L/kg 160
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 210 to 260
65 to 95
Resilience: Unit (Modulus of Resilience), kJ/m3 150 to 430
20 to 660
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 20 to 25
8.2 to 16
Strength to Weight: Bending, points 20 to 22
10 to 16
Thermal Diffusivity, mm2/s 4.1
38
Thermal Shock Resistance, points 12 to 15
9.3 to 18

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 18 to 20
0
Copper (Cu), % 0
97.7 to 99.15
Iron (Fe), % 58 to 68
0
Lead (Pb), % 0
0 to 0.020
Manganese (Mn), % 0 to 2.0
0.1 to 0.3
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 to 0.050
Silicon (Si), % 0 to 0.75
0.15 to 0.4
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0.6 to 0.9
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.5