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S40977 Stainless Steel vs. C14300 Copper

S40977 stainless steel belongs to the iron alloys classification, while C14300 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 S40977 stainless steel and the bottom bar is C14300 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 21
2.0 to 42
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 76
43
Shear Strength, MPa 320
150 to 260
Tensile Strength: Ultimate (UTS), MPa 510
220 to 460
Tensile Strength: Yield (Proof), MPa 310
76 to 430

Thermal Properties

Latent Heat of Fusion, J/g 270
210
Maximum Temperature: Mechanical, °C 720
220
Melting Completion (Liquidus), °C 1440
1080
Melting Onset (Solidus), °C 1400
1050
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 25
380
Thermal Expansion, µm/m-K 10
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
96
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
96

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
31
Density, g/cm3 7.8
9.0
Embodied Carbon, kg CO2/kg material 1.9
2.6
Embodied Energy, MJ/kg 27
41
Embodied Water, L/kg 97
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
9.0 to 72
Resilience: Unit (Modulus of Resilience), kJ/m3 250
25 to 810
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 18
6.8 to 14
Strength to Weight: Bending, points 18
9.1 to 15
Thermal Diffusivity, mm2/s 6.7
110
Thermal Shock Resistance, points 18
7.8 to 16

Alloy Composition

Cadmium (Cd), % 0
0.050 to 0.15
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 10.5 to 12.5
0
Copper (Cu), % 0
99.9 to 99.95
Iron (Fe), % 83.9 to 89.2
0
Manganese (Mn), % 0 to 1.5
0
Nickel (Ni), % 0.3 to 1.0
0
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.015
0