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S41045 Stainless Steel vs. C51100 Bronze

S41045 stainless steel belongs to the iron alloys classification, while C51100 bronze belongs to the copper alloys. There are 30 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 C51100 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 25
2.5 to 50
Poisson's Ratio 0.28
0.34
Rockwell B Hardness 70
67 to 93
Shear Modulus, GPa 76
42
Shear Strength, MPa 280
230 to 410
Tensile Strength: Ultimate (UTS), MPa 430
330 to 720
Tensile Strength: Yield (Proof), MPa 230
93 to 700

Thermal Properties

Latent Heat of Fusion, J/g 270
200
Maximum Temperature: Mechanical, °C 740
190
Melting Completion (Liquidus), °C 1450
1060
Melting Onset (Solidus), °C 1400
970
Specific Heat Capacity, J/kg-K 480
380
Thermal Conductivity, W/m-K 29
84
Thermal Expansion, µm/m-K 10
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
20
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
20

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
32
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 2.2
3.0
Embodied Energy, MJ/kg 31
48
Embodied Water, L/kg 100
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
18 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 140
38 to 2170
Stiffness to Weight: Axial, points 14
7.1
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 16
10 to 22
Strength to Weight: Bending, points 16
12 to 20
Thermal Diffusivity, mm2/s 7.8
25
Thermal Shock Resistance, points 16
12 to 26

Alloy Composition

Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 12 to 13
0
Copper (Cu), % 0
93.8 to 96.5
Iron (Fe), % 83.8 to 88
0 to 0.1
Lead (Pb), % 0
0 to 0.050
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
0.030 to 0.35
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
3.5 to 4.9
Zinc (Zn), % 0
0 to 0.3
Residuals, % 0
0 to 0.5