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S45000 Stainless Steel vs. C10300 Copper

S45000 stainless steel belongs to the iron alloys classification, while C10300 copper belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is S45000 stainless steel and the bottom bar is C10300 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 6.8 to 14
2.6 to 50
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 76
43
Shear Strength, MPa 590 to 830
160 to 240
Tensile Strength: Ultimate (UTS), MPa 980 to 1410
230 to 410
Tensile Strength: Yield (Proof), MPa 580 to 1310
77 to 400

Thermal Properties

Latent Heat of Fusion, J/g 280
210
Maximum Temperature: Mechanical, °C 840
200
Melting Completion (Liquidus), °C 1440
1080
Melting Onset (Solidus), °C 1390
1080
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 17
390
Thermal Expansion, µm/m-K 11
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
99
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
99

Otherwise Unclassified Properties

Base Metal Price, % relative 13
31
Density, g/cm3 7.8
9.0
Embodied Carbon, kg CO2/kg material 2.8
2.6
Embodied Energy, MJ/kg 39
41
Embodied Water, L/kg 130
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 94 to 160
9.4 to 91
Resilience: Unit (Modulus of Resilience), kJ/m3 850 to 4400
25 to 690
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 35 to 50
7.2 to 13
Strength to Weight: Bending, points 28 to 36
9.4 to 14
Thermal Diffusivity, mm2/s 4.5
110
Thermal Shock Resistance, points 33 to 47
8.2 to 15

Alloy Composition

Carbon (C), % 0 to 0.050
0
Chromium (Cr), % 14 to 16
0
Copper (Cu), % 1.3 to 1.8
99.95 to 99.999
Iron (Fe), % 72.1 to 79.3
0
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 0.5 to 1.0
0
Nickel (Ni), % 5.0 to 7.0
0
Phosphorus (P), % 0 to 0.040
0.0010 to 0.0050
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0