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C81400 Copper vs. S46500 Stainless Steel

C81400 copper belongs to the copper alloys classification, while S46500 stainless steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is C81400 copper and the bottom bar is S46500 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 11
2.3 to 14
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 41
75
Tensile Strength: Ultimate (UTS), MPa 370
1260 to 1930
Tensile Strength: Yield (Proof), MPa 250
1120 to 1810

Thermal Properties

Latent Heat of Fusion, J/g 210
280
Maximum Temperature: Mechanical, °C 200
780
Melting Completion (Liquidus), °C 1090
1450
Melting Onset (Solidus), °C 1070
1410
Specific Heat Capacity, J/kg-K 390
470
Thermal Expansion, µm/m-K 17
11

Otherwise Unclassified Properties

Base Metal Price, % relative 33
15
Density, g/cm3 8.9
7.9
Embodied Carbon, kg CO2/kg material 2.8
3.6
Embodied Energy, MJ/kg 45
51
Embodied Water, L/kg 310
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36
43 to 210
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 11
44 to 68
Strength to Weight: Bending, points 13
33 to 44
Thermal Shock Resistance, points 13
44 to 67

Alloy Composition

Beryllium (Be), % 0.020 to 0.1
0
Carbon (C), % 0
0 to 0.020
Chromium (Cr), % 0.6 to 1.0
11 to 12.5
Copper (Cu), % 98.4 to 99.38
0
Iron (Fe), % 0
72.6 to 76.1
Manganese (Mn), % 0
0 to 0.25
Molybdenum (Mo), % 0
0.75 to 1.3
Nickel (Ni), % 0
10.7 to 11.3
Nitrogen (N), % 0
0 to 0.010
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0
0 to 0.25
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0
1.5 to 1.8
Residuals, % 0 to 0.5
0