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S38100 Stainless Steel vs. CR025A Copper

S38100 stainless steel belongs to the iron alloys classification, while CR025A copper belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is S38100 stainless steel and the bottom bar is CR025A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 45
15
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 76
43
Tensile Strength: Ultimate (UTS), MPa 580
230
Tensile Strength: Yield (Proof), MPa 230
140

Thermal Properties

Latent Heat of Fusion, J/g 320
210
Maximum Temperature: Mechanical, °C 970
200
Melting Completion (Liquidus), °C 1400
1090
Melting Onset (Solidus), °C 1350
1040
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 15
370
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
99
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
99

Otherwise Unclassified Properties

Base Metal Price, % relative 20
31
Density, g/cm3 7.8
9.0
Embodied Carbon, kg CO2/kg material 3.8
2.6
Embodied Energy, MJ/kg 54
41
Embodied Water, L/kg 160
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
31
Resilience: Unit (Modulus of Resilience), kJ/m3 140
83
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 21
7.1
Strength to Weight: Bending, points 20
9.3
Thermal Diffusivity, mm2/s 4.0
110
Thermal Shock Resistance, points 13
8.1

Alloy Composition

Bismuth (Bi), % 0
0 to 0.00050
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 17 to 19
0
Copper (Cu), % 0
99.9 to 99.96
Iron (Fe), % 57.9 to 64
0
Lead (Pb), % 0
0 to 0.0050
Manganese (Mn), % 0 to 2.0
0
Nickel (Ni), % 17.5 to 18.5
0
Phosphorus (P), % 0 to 0.030
0.040 to 0.060
Silicon (Si), % 1.5 to 2.5
0
Silver (Ag), % 0
0 to 0.015
Sulfur (S), % 0 to 0.030
0