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S32950 Stainless Steel vs. C87700 Bronze

S32950 stainless steel belongs to the iron alloys classification, while C87700 bronze belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is S32950 stainless steel and the bottom bar is C87700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 17
3.6
Poisson's Ratio 0.27
0.33
Shear Modulus, GPa 80
42
Tensile Strength: Ultimate (UTS), MPa 780
300
Tensile Strength: Yield (Proof), MPa 550
120

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
180
Melting Completion (Liquidus), °C 1430
980
Melting Onset (Solidus), °C 1390
900
Specific Heat Capacity, J/kg-K 480
400
Thermal Conductivity, W/m-K 16
120
Thermal Expansion, µm/m-K 13
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
45
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
48

Otherwise Unclassified Properties

Base Metal Price, % relative 17
29
Density, g/cm3 7.7
8.5
Embodied Carbon, kg CO2/kg material 3.4
2.7
Embodied Energy, MJ/kg 47
45
Embodied Water, L/kg 180
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
8.6
Resilience: Unit (Modulus of Resilience), kJ/m3 730
64
Stiffness to Weight: Axial, points 15
7.4
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 28
9.8
Strength to Weight: Bending, points 24
12
Thermal Diffusivity, mm2/s 4.3
34
Thermal Shock Resistance, points 21
11

Alloy Composition

Antimony (Sb), % 0
0 to 0.1
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 26 to 29
0
Copper (Cu), % 0
87.5 to 90.5
Iron (Fe), % 60.3 to 69.4
0 to 0.5
Lead (Pb), % 0
0 to 0.090
Manganese (Mn), % 0 to 2.0
0 to 0.8
Molybdenum (Mo), % 1.0 to 2.5
0
Nickel (Ni), % 3.5 to 5.2
0 to 0.25
Nitrogen (N), % 0.15 to 0.35
0
Phosphorus (P), % 0 to 0.035
0 to 0.15
Silicon (Si), % 0 to 0.6
2.5 to 3.5
Sulfur (S), % 0 to 0.010
0
Tin (Sn), % 0
0 to 2.0
Zinc (Zn), % 0
7.0 to 9.0
Residuals, % 0
0 to 0.8