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S20432 Stainless Steel vs. C38500 Bronze

S20432 stainless steel belongs to the iron alloys classification, while C38500 bronze belongs to the copper alloys. There are 29 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 S20432 stainless steel and the bottom bar is C38500 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
100
Elongation at Break, % 45
17
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 76
37
Shear Strength, MPa 400
230
Tensile Strength: Ultimate (UTS), MPa 580
370
Tensile Strength: Yield (Proof), MPa 230
130

Thermal Properties

Latent Heat of Fusion, J/g 280
160
Maximum Temperature: Mechanical, °C 900
110
Melting Completion (Liquidus), °C 1410
890
Melting Onset (Solidus), °C 1370
880
Specific Heat Capacity, J/kg-K 480
380
Thermal Conductivity, W/m-K 15
120
Thermal Expansion, µm/m-K 17
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
28
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
31

Otherwise Unclassified Properties

Base Metal Price, % relative 13
22
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 2.7
2.6
Embodied Energy, MJ/kg 38
45
Embodied Water, L/kg 140
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
48
Resilience: Unit (Modulus of Resilience), kJ/m3 140
78
Stiffness to Weight: Axial, points 14
7.0
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 21
13
Strength to Weight: Bending, points 20
14
Thermal Diffusivity, mm2/s 4.0
40
Thermal Shock Resistance, points 13
12

Alloy Composition

Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 17 to 18
0
Copper (Cu), % 2.0 to 3.0
55 to 59
Iron (Fe), % 66.7 to 74
0 to 0.35
Lead (Pb), % 0
2.5 to 3.5
Manganese (Mn), % 3.0 to 5.0
0
Nickel (Ni), % 4.0 to 6.0
0
Nitrogen (N), % 0.050 to 0.2
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
36.7 to 42.5
Residuals, % 0
0 to 0.5