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C68400 Brass vs. S34565 Stainless Steel

C68400 brass belongs to the copper alloys classification, while S34565 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 S34565 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
200
Elastic (Young's, Tensile) Modulus, GPa 110
210
Elongation at Break, % 18
39
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 41
80
Shear Strength, MPa 330
610
Tensile Strength: Ultimate (UTS), MPa 540
900
Tensile Strength: Yield (Proof), MPa 310
470

Thermal Properties

Latent Heat of Fusion, J/g 210
310
Maximum Temperature: Mechanical, °C 130
1100
Melting Completion (Liquidus), °C 840
1420
Melting Onset (Solidus), °C 820
1380
Specific Heat Capacity, J/kg-K 400
470
Thermal Conductivity, W/m-K 66
12
Thermal Expansion, µm/m-K 20
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 87
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 99
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 23
28
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 2.7
5.3
Embodied Energy, MJ/kg 47
73
Embodied Water, L/kg 320
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81
300
Resilience: Unit (Modulus of Resilience), kJ/m3 460
540
Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 20
25
Strength to Weight: Axial, points 19
32
Strength to Weight: Bending, points 19
26
Thermal Diffusivity, mm2/s 21
3.2
Thermal Shock Resistance, points 18
22

Alloy Composition

Aluminum (Al), % 0 to 0.5
0
Boron (B), % 0.0010 to 0.030
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
23 to 25
Copper (Cu), % 59 to 64
0
Iron (Fe), % 0 to 1.0
43.2 to 51.6
Lead (Pb), % 0 to 0.090
0
Manganese (Mn), % 0.2 to 1.5
5.0 to 7.0
Molybdenum (Mo), % 0
4.0 to 5.0
Nickel (Ni), % 0 to 0.5
16 to 18
Niobium (Nb), % 0
0 to 0.1
Nitrogen (N), % 0
0.4 to 0.6
Phosphorus (P), % 0.030 to 0.3
0 to 0.030
Silicon (Si), % 1.5 to 2.5
0 to 1.0
Sulfur (S), % 0
0 to 0.010
Tin (Sn), % 0 to 0.5
0
Zinc (Zn), % 28.6 to 39.3
0
Residuals, % 0 to 0.5
0