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S41045 Stainless Steel vs. C14200 Copper

S41045 stainless steel belongs to the iron alloys classification, while C14200 copper belongs to the copper alloys. There are 31 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 S41045 stainless steel and the bottom bar is C14200 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 25
8.0 to 45
Fatigue Strength, MPa 160
76 to 130
Poisson's Ratio 0.28
0.34
Rockwell B Hardness 70
35 to 60
Shear Modulus, GPa 76
43
Shear Strength, MPa 280
150 to 200
Tensile Strength: Ultimate (UTS), MPa 430
220 to 370
Tensile Strength: Yield (Proof), MPa 230
75 to 340

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
1030
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 29
190
Thermal Expansion, µm/m-K 10
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
45
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
45

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
31
Density, g/cm3 7.8
8.9
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
29 to 83
Resilience: Unit (Modulus of Resilience), kJ/m3 140
24 to 500
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 16
6.8 to 11
Strength to Weight: Bending, points 16
9.1 to 13
Thermal Diffusivity, mm2/s 7.8
56
Thermal Shock Resistance, points 16
7.9 to 13

Alloy Composition

Arsenic (As), % 0
0.15 to 0.5
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 12 to 13
0
Copper (Cu), % 0
99.4 to 99.835
Iron (Fe), % 83.8 to 88
0
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
Phosphorus (P), % 0 to 0.040
0.015 to 0.040
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0