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S32101 Stainless Steel vs. C12200 Copper

S32101 stainless steel belongs to the iron alloys classification, while C12200 copper belongs to the copper alloys. There are 29 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 S32101 stainless steel and the bottom bar is C12200 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 34
3.2 to 50
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 78
43
Shear Strength, MPa 490
150 to 240
Tensile Strength: Ultimate (UTS), MPa 740
220 to 410
Tensile Strength: Yield (Proof), MPa 500
69 to 400

Thermal Properties

Latent Heat of Fusion, J/g 290
210
Maximum Temperature: Mechanical, °C 1000
200
Melting Completion (Liquidus), °C 1420
1080
Melting Onset (Solidus), °C 1370
1030
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 15
340
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
85
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
85

Otherwise Unclassified Properties

Base Metal Price, % relative 12
31
Density, g/cm3 7.7
9.0
Embodied Carbon, kg CO2/kg material 2.6
2.6
Embodied Energy, MJ/kg 38
41
Embodied Water, L/kg 150
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
11 to 91
Resilience: Unit (Modulus of Resilience), kJ/m3 640
21 to 690
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 27
6.9 to 13
Strength to Weight: Bending, points 24
9.1 to 14
Thermal Diffusivity, mm2/s 4.0
98
Thermal Shock Resistance, points 20
7.9 to 15

Alloy Composition

Carbon (C), % 0 to 0.040
0
Chromium (Cr), % 21 to 22
0
Copper (Cu), % 0.1 to 0.8
99.9 to 99.985
Iron (Fe), % 67.3 to 73.3
0
Manganese (Mn), % 4.0 to 6.0
0
Molybdenum (Mo), % 0.1 to 0.8
0
Nickel (Ni), % 1.4 to 1.7
0
Nitrogen (N), % 0.2 to 0.25
0
Phosphorus (P), % 0 to 0.040
0.015 to 0.040
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0