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S40977 Stainless Steel vs. C63800 Bronze

S40977 stainless steel belongs to the iron alloys classification, while C63800 bronze belongs to the copper alloys. There are 27 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is S40977 stainless steel and the bottom bar is C63800 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 21
7.9 to 41
Poisson's Ratio 0.28
0.34
Rockwell B Hardness 76
94 to 110
Shear Modulus, GPa 76
43
Shear Strength, MPa 320
320 to 500
Tensile Strength: Ultimate (UTS), MPa 510
460 to 1010

Thermal Properties

Latent Heat of Fusion, J/g 270
240
Maximum Temperature: Mechanical, °C 720
200
Melting Completion (Liquidus), °C 1440
1030
Melting Onset (Solidus), °C 1400
1000
Specific Heat Capacity, J/kg-K 480
410
Thermal Conductivity, W/m-K 25
40
Thermal Expansion, µm/m-K 10
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
10
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
10

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
30
Density, g/cm3 7.8
8.6
Embodied Carbon, kg CO2/kg material 1.9
2.8
Embodied Energy, MJ/kg 27
45
Embodied Water, L/kg 97
330

Common Calculations

Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 18
15 to 33
Strength to Weight: Bending, points 18
15 to 26
Thermal Diffusivity, mm2/s 6.7
11
Thermal Shock Resistance, points 18
17 to 36

Alloy Composition

Aluminum (Al), % 0
2.5 to 3.1
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 10.5 to 12.5
0
Cobalt (Co), % 0
0.25 to 0.55
Copper (Cu), % 0
92.4 to 95.8
Iron (Fe), % 83.9 to 89.2
0 to 0.2
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 1.5
0 to 0.1
Nickel (Ni), % 0.3 to 1.0
0 to 0.2
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
1.5 to 2.1
Sulfur (S), % 0 to 0.015
0
Zinc (Zn), % 0
0 to 0.8
Residuals, % 0
0 to 0.5