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C68700 Brass vs. N08320 Stainless Steel

C68700 brass belongs to the copper alloys classification, while N08320 stainless steel belongs to the iron alloys. There are 26 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 C68700 brass and the bottom bar is N08320 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
78
Tensile Strength: Ultimate (UTS), MPa 390
580
Tensile Strength: Yield (Proof), MPa 140
220

Thermal Properties

Latent Heat of Fusion, J/g 190
300
Maximum Temperature: Mechanical, °C 160
1100
Melting Completion (Liquidus), °C 970
1400
Melting Onset (Solidus), °C 930
1350
Specific Heat Capacity, J/kg-K 400
480
Thermal Conductivity, W/m-K 100
12
Thermal Expansion, µm/m-K 19
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 23
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 25
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 26
28
Density, g/cm3 8.3
8.0
Embodied Carbon, kg CO2/kg material 2.8
4.9
Embodied Energy, MJ/kg 46
69
Embodied Water, L/kg 340
200

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 90
120
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 13
20
Strength to Weight: Bending, points 14
20
Thermal Diffusivity, mm2/s 30
3.3
Thermal Shock Resistance, points 13
13

Alloy Composition

Aluminum (Al), % 1.8 to 2.5
0
Arsenic (As), % 0.020 to 0.1
0
Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0
21 to 23
Copper (Cu), % 76 to 79
0
Iron (Fe), % 0 to 0.060
40.4 to 50
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
0 to 2.5
Nickel (Ni), % 0
25 to 27
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