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S41045 Stainless Steel vs. C63020 Bronze

S41045 stainless steel belongs to the iron alloys classification, while C63020 bronze belongs to the copper alloys. There are 27 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 C63020 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 25
6.8
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 76
44
Shear Strength, MPa 280
600
Tensile Strength: Ultimate (UTS), MPa 430
1020
Tensile Strength: Yield (Proof), MPa 230
740

Thermal Properties

Latent Heat of Fusion, J/g 270
230
Maximum Temperature: Mechanical, °C 740
230
Melting Completion (Liquidus), °C 1450
1070
Melting Onset (Solidus), °C 1400
1020
Specific Heat Capacity, J/kg-K 480
450
Thermal Conductivity, W/m-K 29
40
Thermal Expansion, µm/m-K 10
18

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
29
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 2.2
3.6
Embodied Energy, MJ/kg 31
58
Embodied Water, L/kg 100
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
63
Resilience: Unit (Modulus of Resilience), kJ/m3 140
2320
Stiffness to Weight: Axial, points 14
8.0
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 16
34
Strength to Weight: Bending, points 16
27
Thermal Diffusivity, mm2/s 7.8
11
Thermal Shock Resistance, points 16
35

Alloy Composition

Aluminum (Al), % 0
10 to 11
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 12 to 13
0 to 0.050
Cobalt (Co), % 0
0 to 0.2
Copper (Cu), % 0
74.7 to 81.8
Iron (Fe), % 83.8 to 88
4.0 to 5.5
Lead (Pb), % 0
0 to 0.030
Manganese (Mn), % 0 to 1.0
0 to 1.5
Nickel (Ni), % 0 to 0.5
4.2 to 6.0
Niobium (Nb), % 0 to 0.6
0
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.25
Zinc (Zn), % 0
0 to 0.3
Residuals, % 0
0 to 0.5