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C68400 Brass vs. S42300 Stainless Steel

C68400 brass belongs to the copper alloys classification, while S42300 stainless steel belongs to the iron alloys. There are 30 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 C68400 brass and the bottom bar is S42300 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
330
Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 18
9.1
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 41
77
Shear Strength, MPa 330
650
Tensile Strength: Ultimate (UTS), MPa 540
1100
Tensile Strength: Yield (Proof), MPa 310
850

Thermal Properties

Latent Heat of Fusion, J/g 210
270
Maximum Temperature: Mechanical, °C 130
750
Melting Completion (Liquidus), °C 840
1470
Melting Onset (Solidus), °C 820
1420
Specific Heat Capacity, J/kg-K 400
470
Thermal Conductivity, W/m-K 66
25
Thermal Expansion, µm/m-K 20
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 87
4.5
Electrical Conductivity: Equal Weight (Specific), % IACS 99
5.2

Otherwise Unclassified Properties

Base Metal Price, % relative 23
9.5
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 2.7
3.2
Embodied Energy, MJ/kg 47
44
Embodied Water, L/kg 320
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81
93
Resilience: Unit (Modulus of Resilience), kJ/m3 460
1840
Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 20
25
Strength to Weight: Axial, points 19
39
Strength to Weight: Bending, points 19
30
Thermal Diffusivity, mm2/s 21
6.8
Thermal Shock Resistance, points 18
40

Alloy Composition

Aluminum (Al), % 0 to 0.5
0
Boron (B), % 0.0010 to 0.030
0
Carbon (C), % 0
0.27 to 0.32
Chromium (Cr), % 0
11 to 12
Copper (Cu), % 59 to 64
0
Iron (Fe), % 0 to 1.0
82 to 85.1
Lead (Pb), % 0 to 0.090
0
Manganese (Mn), % 0.2 to 1.5
1.0 to 1.4
Molybdenum (Mo), % 0
2.5 to 3.0
Nickel (Ni), % 0 to 0.5
0 to 0.5
Phosphorus (P), % 0.030 to 0.3
0 to 0.025
Silicon (Si), % 1.5 to 2.5
0 to 0.5
Sulfur (S), % 0
0 to 0.025
Tin (Sn), % 0 to 0.5
0
Vanadium (V), % 0
0.2 to 0.3
Zinc (Zn), % 28.6 to 39.3
0
Residuals, % 0 to 0.5
0