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CC762S Brass vs. S82031 Stainless Steel

CC762S brass belongs to the copper alloys classification, while S82031 stainless steel belongs to the iron 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 CC762S brass and the bottom bar is S82031 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 7.3
39
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 43
78
Tensile Strength: Ultimate (UTS), MPa 840
780
Tensile Strength: Yield (Proof), MPa 540
570

Thermal Properties

Latent Heat of Fusion, J/g 200
290
Maximum Temperature: Mechanical, °C 160
980
Melting Completion (Liquidus), °C 920
1430
Melting Onset (Solidus), °C 870
1390
Specific Heat Capacity, J/kg-K 420
480
Thermal Conductivity, W/m-K 51
15
Thermal Expansion, µm/m-K 20
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 32
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 24
13
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 3.1
2.8
Embodied Energy, MJ/kg 51
39
Embodied Water, L/kg 350
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 54
280
Resilience: Unit (Modulus of Resilience), kJ/m3 1290
820
Stiffness to Weight: Axial, points 7.8
14
Stiffness to Weight: Bending, points 20
25
Strength to Weight: Axial, points 29
28
Strength to Weight: Bending, points 25
24
Thermal Diffusivity, mm2/s 15
3.9
Thermal Shock Resistance, points 27
22

Alloy Composition

Aluminum (Al), % 3.0 to 7.0
0
Antimony (Sb), % 0 to 0.030
0
Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0
19 to 22
Copper (Cu), % 57 to 67
0 to 1.0
Iron (Fe), % 1.5 to 4.0
68 to 78.3
Lead (Pb), % 0 to 0.2
0
Manganese (Mn), % 2.5 to 5.0
0 to 2.5
Molybdenum (Mo), % 0
0.6 to 1.4
Nickel (Ni), % 0 to 3.0
2.0 to 4.0
Nitrogen (N), % 0
0.14 to 0.24
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.1
0 to 0.8
Sulfur (S), % 0
0 to 0.0050
Tin (Sn), % 0 to 0.2
0
Zinc (Zn), % 13.4 to 36
0