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C68400 Brass vs. N08925 Stainless Steel

C68400 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 (4, in this case) are not shown.

For each property being compared, the top bar is C68400 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, % 18
45
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 41
80
Shear Strength, MPa 330
470
Tensile Strength: Ultimate (UTS), MPa 540
680
Tensile Strength: Yield (Proof), MPa 310
340

Thermal Properties

Latent Heat of Fusion, J/g 210
300
Maximum Temperature: Mechanical, °C 130
1100
Melting Completion (Liquidus), °C 840
1460
Melting Onset (Solidus), °C 820
1410
Specific Heat Capacity, J/kg-K 400
460
Thermal Conductivity, W/m-K 66
13
Thermal Expansion, µm/m-K 20
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 87
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 99
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 23
33
Density, g/cm3 7.9
8.1
Embodied Carbon, kg CO2/kg material 2.7
6.2
Embodied Energy, MJ/kg 47
84
Embodied Water, L/kg 320
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81
250
Resilience: Unit (Modulus of Resilience), kJ/m3 460
280
Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 20
24
Strength to Weight: Axial, points 19
23
Strength to Weight: Bending, points 19
21
Thermal Diffusivity, mm2/s 21
3.5
Thermal Shock Resistance, points 18
15

Alloy Composition

Aluminum (Al), % 0 to 0.5
0
Boron (B), % 0.0010 to 0.030
0
Carbon (C), % 0
0 to 0.020
Chromium (Cr), % 0
19 to 21
Copper (Cu), % 59 to 64
0.8 to 1.5
Iron (Fe), % 0 to 1.0
42.7 to 50.1
Lead (Pb), % 0 to 0.090
0
Manganese (Mn), % 0.2 to 1.5
0 to 1.0
Molybdenum (Mo), % 0
6.0 to 7.0
Nickel (Ni), % 0 to 0.5
24 to 26
Nitrogen (N), % 0
0.1 to 0.2
Phosphorus (P), % 0.030 to 0.3
0 to 0.045
Silicon (Si), % 1.5 to 2.5
0 to 0.5
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.5
0
Zinc (Zn), % 28.6 to 39.3
0
Residuals, % 0 to 0.5
0