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S21603 Stainless Steel vs. C82000 Copper

S21603 stainless steel belongs to the iron alloys classification, while C82000 copper belongs to the copper alloys. There are 25 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is S21603 stainless steel and the bottom bar is C82000 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 45
8.0 to 20
Poisson's Ratio 0.28
0.34
Rockwell B Hardness 88
55 to 95
Shear Modulus, GPa 79
45
Tensile Strength: Ultimate (UTS), MPa 690
350 to 690
Tensile Strength: Yield (Proof), MPa 390
140 to 520

Thermal Properties

Latent Heat of Fusion, J/g 290
220
Maximum Temperature: Mechanical, °C 990
220
Melting Completion (Liquidus), °C 1420
1090
Melting Onset (Solidus), °C 1380
970
Specific Heat Capacity, J/kg-K 480
390
Thermal Expansion, µm/m-K 17
17

Otherwise Unclassified Properties

Base Metal Price, % relative 17
60
Density, g/cm3 7.7
8.9
Embodied Carbon, kg CO2/kg material 3.6
5.0
Embodied Energy, MJ/kg 50
77
Embodied Water, L/kg 160
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
51 to 55
Resilience: Unit (Modulus of Resilience), kJ/m3 380
80 to 1120
Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 25
11 to 22
Strength to Weight: Bending, points 22
12 to 20
Thermal Shock Resistance, points 15
12 to 24

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Beryllium (Be), % 0
0.45 to 0.8
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 17.5 to 22
0 to 0.1
Cobalt (Co), % 0
2.2 to 2.7
Copper (Cu), % 0
95.2 to 97.4
Iron (Fe), % 57.6 to 67.8
0 to 0.1
Lead (Pb), % 0
0 to 0.020
Manganese (Mn), % 7.5 to 9.0
0
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 5.0 to 7.0
0 to 0.2
Nitrogen (N), % 0.25 to 0.5
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 0.75
0 to 0.15
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.1
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.5