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S41045 Stainless Steel vs. C10100 Copper

S41045 stainless steel belongs to the iron alloys classification, while C10100 copper belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is S41045 stainless steel and the bottom bar is C10100 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 25
1.5 to 50
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 76
43
Shear Strength, MPa 280
150 to 240
Tensile Strength: Ultimate (UTS), MPa 430
220 to 410
Tensile Strength: Yield (Proof), MPa 230
69 to 400

Thermal Properties

Latent Heat of Fusion, J/g 270
210
Maximum Temperature: Mechanical, °C 740
200
Melting Completion (Liquidus), °C 1450
1080
Melting Onset (Solidus), °C 1400
1080
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 29
390
Thermal Expansion, µm/m-K 10
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
100
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
100

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
31
Density, g/cm3 7.8
9.0
Embodied Carbon, kg CO2/kg material 2.2
2.6
Embodied Energy, MJ/kg 31
41
Embodied Water, L/kg 100
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
6.1 to 85
Resilience: Unit (Modulus of Resilience), kJ/m3 140
21 to 690
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 16
6.8 to 13
Strength to Weight: Bending, points 16
9.0 to 14
Thermal Diffusivity, mm2/s 7.8
110
Thermal Shock Resistance, points 16
7.8 to 15

Alloy Composition

Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 12 to 13
0
Copper (Cu), % 0
99.99 to 100
Iron (Fe), % 83.8 to 88
0
Lead (Pb), % 0
0 to 0.0010
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 0 to 0.5
0
Niobium (Nb), % 0 to 0.6
0
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0
0 to 0.00050
Phosphorus (P), % 0 to 0.040
0 to 0.00030
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
0 to 0.00010