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S35140 Stainless Steel vs. C12900 Copper

S35140 stainless steel belongs to the iron alloys classification, while C12900 copper belongs to the copper alloys. There are 29 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 S35140 stainless steel and the bottom bar is C12900 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 34
2.8 to 50
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 78
43
Shear Strength, MPa 460
150 to 210
Tensile Strength: Ultimate (UTS), MPa 690
220 to 420
Tensile Strength: Yield (Proof), MPa 310
75 to 380

Thermal Properties

Latent Heat of Fusion, J/g 300
210
Maximum Temperature: Mechanical, °C 1100
200
Melting Completion (Liquidus), °C 1420
1080
Melting Onset (Solidus), °C 1370
1030
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 14
380
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
98
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
98

Otherwise Unclassified Properties

Base Metal Price, % relative 31
32
Density, g/cm3 8.0
9.0
Embodied Carbon, kg CO2/kg material 5.5
2.6
Embodied Energy, MJ/kg 78
41
Embodied Water, L/kg 190
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
11 to 88
Resilience: Unit (Modulus of Resilience), kJ/m3 250
24 to 640
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 24
6.8 to 13
Strength to Weight: Bending, points 22
9.1 to 14
Thermal Diffusivity, mm2/s 3.7
110
Thermal Shock Resistance, points 16
7.8 to 15

Alloy Composition

Antimony (Sb), % 0
0 to 0.0030
Arsenic (As), % 0
0 to 0.012
Bismuth (Bi), % 0
0 to 0.0030
Carbon (C), % 0 to 0.1
0
Chromium (Cr), % 20 to 22
0
Copper (Cu), % 0
99.88 to 100
Iron (Fe), % 44.1 to 52.7
0
Lead (Pb), % 0
0 to 0.0040
Manganese (Mn), % 1.0 to 3.0
0
Molybdenum (Mo), % 1.0 to 2.0
0
Nickel (Ni), % 25 to 27
0 to 0.050
Niobium (Nb), % 0.25 to 0.75
0
Nitrogen (N), % 0.080 to 0.2
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 0.75
0
Silver (Ag), % 0
0 to 0.054
Sulfur (S), % 0 to 0.030
0
Tellurium (Te), % 0
0 to 0.025