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S30415 Stainless Steel vs. C81400 Copper

S30415 stainless steel belongs to the iron alloys classification, while C81400 copper belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is S30415 stainless steel and the bottom bar is C81400 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 45
11
Poisson's Ratio 0.28
0.34
Rockwell B Hardness 84
69
Shear Modulus, GPa 77
41
Tensile Strength: Ultimate (UTS), MPa 670
370
Tensile Strength: Yield (Proof), MPa 330
250

Thermal Properties

Latent Heat of Fusion, J/g 300
210
Maximum Temperature: Mechanical, °C 940
200
Melting Completion (Liquidus), °C 1410
1090
Melting Onset (Solidus), °C 1370
1070
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 21
260
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
60
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
61

Otherwise Unclassified Properties

Base Metal Price, % relative 15
33
Density, g/cm3 7.7
8.9
Embodied Carbon, kg CO2/kg material 3.1
2.8
Embodied Energy, MJ/kg 43
45
Embodied Water, L/kg 140
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 250
36
Resilience: Unit (Modulus of Resilience), kJ/m3 280
260
Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 24
11
Strength to Weight: Bending, points 22
13
Thermal Diffusivity, mm2/s 5.6
75
Thermal Shock Resistance, points 15
13

Alloy Composition

Beryllium (Be), % 0
0.020 to 0.1
Carbon (C), % 0.040 to 0.060
0
Cerium (Ce), % 0.030 to 0.080
0
Chromium (Cr), % 18 to 19
0.6 to 1.0
Copper (Cu), % 0
98.4 to 99.38
Iron (Fe), % 67.8 to 71.8
0
Manganese (Mn), % 0 to 0.8
0
Nickel (Ni), % 9.0 to 10
0
Nitrogen (N), % 0.12 to 0.18
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 1.0 to 2.0
0
Sulfur (S), % 0 to 0.030
0
Residuals, % 0
0 to 0.5