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CR020A Copper vs. S17400 Stainless Steel

CR020A copper belongs to the copper alloys classification, while S17400 stainless steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is CR020A copper and the bottom bar is S17400 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 15
11 to 21
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
75
Tensile Strength: Ultimate (UTS), MPa 220
910 to 1390
Tensile Strength: Yield (Proof), MPa 130
580 to 1250

Thermal Properties

Latent Heat of Fusion, J/g 210
280
Maximum Temperature: Mechanical, °C 200
850
Melting Completion (Liquidus), °C 1090
1440
Melting Onset (Solidus), °C 1040
1400
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 380
17
Thermal Expansion, µm/m-K 17
11

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
14
Density, g/cm3 9.0
7.8
Embodied Carbon, kg CO2/kg material 2.6
2.7
Embodied Energy, MJ/kg 41
39
Embodied Water, L/kg 320
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
140 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 76
880 to 4060
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 6.8
32 to 49
Strength to Weight: Bending, points 9.0
27 to 35
Thermal Diffusivity, mm2/s 110
4.5
Thermal Shock Resistance, points 7.8
30 to 46

Alloy Composition

Bismuth (Bi), % 0 to 0.00050
0
Carbon (C), % 0
0 to 0.070
Chromium (Cr), % 0
15 to 17
Copper (Cu), % 99.95 to 99.999
3.0 to 5.0
Iron (Fe), % 0
70.4 to 78.9
Lead (Pb), % 0 to 0.0050
0
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0
3.0 to 5.0
Niobium (Nb), % 0
0.15 to 0.45
Phosphorus (P), % 0.0010 to 0.0060
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Silver (Ag), % 0 to 0.015
0
Sulfur (S), % 0
0 to 0.030