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C68800 Brass vs. N08925 Stainless Steel

C68800 brass belongs to the copper alloys classification, while N08925 stainless steel belongs to the iron alloys. There are 29 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 C68800 brass and the bottom bar is N08925 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 2.0 to 36
45
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 41
80
Shear Strength, MPa 380 to 510
470
Tensile Strength: Ultimate (UTS), MPa 570 to 890
680
Tensile Strength: Yield (Proof), MPa 390 to 790
340

Thermal Properties

Latent Heat of Fusion, J/g 190
300
Maximum Temperature: Mechanical, °C 160
1100
Melting Completion (Liquidus), °C 960
1460
Melting Onset (Solidus), °C 950
1410
Specific Heat Capacity, J/kg-K 400
460
Thermal Conductivity, W/m-K 40
13
Thermal Expansion, µm/m-K 19
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 18
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 20
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 26
33
Density, g/cm3 8.2
8.1
Embodied Carbon, kg CO2/kg material 2.8
6.2
Embodied Energy, MJ/kg 48
84
Embodied Water, L/kg 350
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16 to 180
250
Resilience: Unit (Modulus of Resilience), kJ/m3 710 to 2860
280
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 19 to 30
23
Strength to Weight: Bending, points 19 to 25
21
Thermal Diffusivity, mm2/s 12
3.5
Thermal Shock Resistance, points 19 to 30
15

Alloy Composition

Aluminum (Al), % 3.0 to 3.8
0
Carbon (C), % 0
0 to 0.020
Chromium (Cr), % 0
19 to 21
Cobalt (Co), % 0.25 to 0.55
0
Copper (Cu), % 70.8 to 75.5
0.8 to 1.5
Iron (Fe), % 0 to 0.2
42.7 to 50.1
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
6.0 to 7.0
Nickel (Ni), % 0
24 to 26
Nitrogen (N), % 0
0.1 to 0.2
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 21.3 to 24.1
0
Residuals, % 0 to 0.5
0