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C27000 Brass vs. S44535 Stainless Steel

C27000 brass belongs to the copper alloys classification, while S44535 stainless steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is C27000 brass and the bottom bar is S44535 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Poisson's Ratio 0.31
0.27
Rockwell B Hardness 53 to 91
77
Shear Modulus, GPa 40
78
Tensile Strength: Ultimate (UTS), MPa 370 to 650
450

Thermal Properties

Latent Heat of Fusion, J/g 180
290
Maximum Temperature: Mechanical, °C 130
1000
Melting Completion (Liquidus), °C 930
1430
Melting Onset (Solidus), °C 900
1390
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 120
21
Thermal Expansion, µm/m-K 20
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 30
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 24
11
Density, g/cm3 8.1
7.7
Embodied Carbon, kg CO2/kg material 2.7
2.4
Embodied Energy, MJ/kg 45
34
Embodied Water, L/kg 320
140

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
16
Strength to Weight: Bending, points 14 to 21
17
Thermal Diffusivity, mm2/s 37
5.6
Thermal Shock Resistance, points 12 to 22
15

Alloy Composition

Aluminum (Al), % 0
0 to 0.5
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
20 to 24
Copper (Cu), % 63 to 68.5
0 to 0.5
Iron (Fe), % 0 to 0.1
73.2 to 79.6
Lanthanum (La), % 0
0.040 to 0.2
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
0.3 to 0.8
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 0
0.030 to 0.2
Zinc (Zn), % 31 to 37
0
Residuals, % 0 to 0.3
0