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C85400 Brass vs. S35045 Stainless Steel

C85400 brass belongs to the copper alloys classification, while S35045 stainless steel belongs to the iron alloys. There are 28 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 C85400 brass and the bottom bar is S35045 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
200
Elongation at Break, % 23
39
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 40
78
Tensile Strength: Ultimate (UTS), MPa 220
540
Tensile Strength: Yield (Proof), MPa 85
190

Thermal Properties

Latent Heat of Fusion, J/g 180
310
Maximum Temperature: Mechanical, °C 130
1100
Melting Completion (Liquidus), °C 940
1390
Melting Onset (Solidus), °C 940
1340
Specific Heat Capacity, J/kg-K 380
480
Thermal Conductivity, W/m-K 89
12
Thermal Expansion, µm/m-K 20
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 20
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 22
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 25
34
Density, g/cm3 8.3
8.0
Embodied Carbon, kg CO2/kg material 2.8
5.8
Embodied Energy, MJ/kg 46
83
Embodied Water, L/kg 330
230

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 40
170
Resilience: Unit (Modulus of Resilience), kJ/m3 35
94
Stiffness to Weight: Axial, points 7.0
14
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 7.5
19
Strength to Weight: Bending, points 9.9
19
Thermal Diffusivity, mm2/s 28
3.2
Thermal Shock Resistance, points 7.6
12

Alloy Composition

Aluminum (Al), % 0 to 0.35
0.15 to 0.6
Carbon (C), % 0
0.060 to 0.1
Chromium (Cr), % 0
25 to 29
Copper (Cu), % 65 to 70
0 to 0.75
Iron (Fe), % 0 to 0.7
29.4 to 42.6
Lead (Pb), % 1.5 to 3.8
0
Manganese (Mn), % 0
0 to 1.5
Nickel (Ni), % 0 to 1.0
32 to 37
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0 to 0.050
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 0.5 to 1.5
0
Titanium (Ti), % 0
0.15 to 0.6
Zinc (Zn), % 24 to 32
0
Residuals, % 0 to 1.1
0