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C27000 Brass vs. S34565 Stainless Steel

C27000 brass belongs to the copper alloys classification, while S34565 stainless steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is C27000 brass and the bottom bar is S34565 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
210
Poisson's Ratio 0.31
0.28
Rockwell B Hardness 53 to 91
88
Shear Modulus, GPa 40
80
Tensile Strength: Ultimate (UTS), MPa 370 to 650
900

Thermal Properties

Latent Heat of Fusion, J/g 180
310
Maximum Temperature: Mechanical, °C 130
1100
Melting Completion (Liquidus), °C 930
1420
Melting Onset (Solidus), °C 900
1380
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 120
12
Thermal Expansion, µm/m-K 20
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 30
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 24
28
Density, g/cm3 8.1
7.9
Embodied Carbon, kg CO2/kg material 2.7
5.3
Embodied Energy, MJ/kg 45
73
Embodied Water, L/kg 320
210

Common Calculations

Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 13 to 22
32
Strength to Weight: Bending, points 14 to 21
26
Thermal Diffusivity, mm2/s 37
3.2
Thermal Shock Resistance, points 12 to 22
22

Alloy Composition

Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
23 to 25
Copper (Cu), % 63 to 68.5
0
Iron (Fe), % 0 to 0.1
43.2 to 51.6
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
5.0 to 7.0
Molybdenum (Mo), % 0
4.0 to 5.0
Nickel (Ni), % 0
16 to 18
Niobium (Nb), % 0
0 to 0.1
Nitrogen (N), % 0
0.4 to 0.6
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.010
Zinc (Zn), % 31 to 37
0
Residuals, % 0 to 0.3
0