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S40920 Stainless Steel vs. C67400 Bronze

S40920 stainless steel belongs to the iron alloys classification, while C67400 bronze belongs to the copper alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is S40920 stainless steel and the bottom bar is C67400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 22
22 to 28
Poisson's Ratio 0.28
0.31
Rockwell B Hardness 77
78 to 85
Shear Modulus, GPa 75
41
Shear Strength, MPa 270
310 to 350
Tensile Strength: Ultimate (UTS), MPa 430
480 to 610
Tensile Strength: Yield (Proof), MPa 190
250 to 370

Thermal Properties

Latent Heat of Fusion, J/g 270
190
Maximum Temperature: Mechanical, °C 710
130
Melting Completion (Liquidus), °C 1450
890
Melting Onset (Solidus), °C 1400
870
Specific Heat Capacity, J/kg-K 480
400
Thermal Conductivity, W/m-K 26
100
Thermal Expansion, µm/m-K 10
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
23
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
26

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
23
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.0
2.8
Embodied Energy, MJ/kg 28
48
Embodied Water, L/kg 94
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 78
110 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 97
300 to 660
Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 15
17 to 22
Strength to Weight: Bending, points 16
17 to 20
Thermal Diffusivity, mm2/s 6.9
32
Thermal Shock Resistance, points 15
16 to 20

Alloy Composition

Aluminum (Al), % 0
0.5 to 2.0
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 10.5 to 11.7
0
Copper (Cu), % 0
57 to 60
Iron (Fe), % 85.1 to 89.4
0 to 0.35
Lead (Pb), % 0
0 to 0.5
Manganese (Mn), % 0 to 1.0
2.0 to 3.5
Nickel (Ni), % 0 to 0.5
0 to 0.25
Niobium (Nb), % 0 to 0.1
0
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0.5 to 1.5
Sulfur (S), % 0 to 0.020
0
Tin (Sn), % 0
0 to 0.3
Titanium (Ti), % 0.15 to 0.5
0
Zinc (Zn), % 0
31.1 to 40
Residuals, % 0
0 to 0.5