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S41045 Stainless Steel vs. C52100 Bronze

S41045 stainless steel belongs to the iron alloys classification, while C52100 bronze belongs to the copper alloys. There are 25 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is S41045 stainless steel and the bottom bar is C52100 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Poisson's Ratio 0.28
0.34
Rockwell B Hardness 70
45 to 100
Shear Modulus, GPa 76
41
Tensile Strength: Ultimate (UTS), MPa 430
380 to 800

Thermal Properties

Latent Heat of Fusion, J/g 270
200
Maximum Temperature: Mechanical, °C 740
180
Melting Completion (Liquidus), °C 1450
1030
Melting Onset (Solidus), °C 1400
880
Specific Heat Capacity, J/kg-K 480
370
Thermal Conductivity, W/m-K 29
62
Thermal Expansion, µm/m-K 10
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
13
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
13

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
34
Density, g/cm3 7.8
8.8
Embodied Carbon, kg CO2/kg material 2.2
3.4
Embodied Energy, MJ/kg 31
55
Embodied Water, L/kg 100
370

Common Calculations

Stiffness to Weight: Axial, points 14
7.0
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 16
12 to 25
Strength to Weight: Bending, points 16
13 to 22
Thermal Diffusivity, mm2/s 7.8
19
Thermal Shock Resistance, points 16
14 to 28

Alloy Composition

Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 12 to 13
0
Copper (Cu), % 0
89.8 to 93
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
7.0 to 9.0
Zinc (Zn), % 0
0 to 0.2
Residuals, % 0
0 to 0.5