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C68700 Brass vs. S42010 Stainless Steel

C68700 brass belongs to the copper alloys classification, while S42010 stainless steel belongs to the iron alloys. There are 26 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 C68700 brass and the bottom bar is S42010 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 41
76
Tensile Strength: Ultimate (UTS), MPa 390
590
Tensile Strength: Yield (Proof), MPa 140
350

Thermal Properties

Latent Heat of Fusion, J/g 190
280
Maximum Temperature: Mechanical, °C 160
800
Melting Completion (Liquidus), °C 970
1440
Melting Onset (Solidus), °C 930
1400
Specific Heat Capacity, J/kg-K 400
480
Thermal Conductivity, W/m-K 100
29
Thermal Expansion, µm/m-K 19
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 23
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 25
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 26
8.5
Density, g/cm3 8.3
7.7
Embodied Carbon, kg CO2/kg material 2.8
2.2
Embodied Energy, MJ/kg 46
30
Embodied Water, L/kg 340
110

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 90
310
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 13
21
Strength to Weight: Bending, points 14
20
Thermal Diffusivity, mm2/s 30
7.9
Thermal Shock Resistance, points 13
21

Alloy Composition

Aluminum (Al), % 1.8 to 2.5
0
Arsenic (As), % 0.020 to 0.1
0
Carbon (C), % 0
0.15 to 0.3
Chromium (Cr), % 0
13.5 to 15
Copper (Cu), % 76 to 79
0
Iron (Fe), % 0 to 0.060
80.9 to 85.6
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
0.4 to 0.85
Nickel (Ni), % 0
0.35 to 0.85
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 17.8 to 22.2
0
Residuals, % 0 to 0.5
0