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C69430 Brass vs. S35045 Stainless Steel

C69430 brass belongs to the copper alloys classification, while S35045 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C69430 brass and the bottom bar is S35045 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 17
39
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 42
78
Shear Strength, MPa 350
370
Tensile Strength: Ultimate (UTS), MPa 570
540
Tensile Strength: Yield (Proof), MPa 280
190

Thermal Properties

Latent Heat of Fusion, J/g 260
310
Maximum Temperature: Mechanical, °C 170
1100
Melting Completion (Liquidus), °C 920
1390
Melting Onset (Solidus), °C 820
1340
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 26
12
Thermal Expansion, µm/m-K 18
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.2
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 6.7
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 27
34
Density, g/cm3 8.3
8.0
Embodied Carbon, kg CO2/kg material 2.7
5.8
Embodied Energy, MJ/kg 44
83
Embodied Water, L/kg 300
230

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
170
Resilience: Unit (Modulus of Resilience), kJ/m3 340
94
Stiffness to Weight: Axial, points 7.4
14
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 19
19
Strength to Weight: Bending, points 18
19
Thermal Diffusivity, mm2/s 7.7
3.2
Thermal Shock Resistance, points 20
12

Alloy Composition

Aluminum (Al), % 0
0.15 to 0.6
Arsenic (As), % 0.030 to 0.060
0
Carbon (C), % 0
0.060 to 0.1
Chromium (Cr), % 0
25 to 29
Copper (Cu), % 80 to 83
0 to 0.75
Iron (Fe), % 0 to 0.2
29.4 to 42.6
Lead (Pb), % 0 to 0.3
0
Manganese (Mn), % 0
0 to 1.5
Nickel (Ni), % 0
32 to 37
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 3.5 to 4.5
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0
0.15 to 0.6
Zinc (Zn), % 11.4 to 16.5
0
Residuals, % 0 to 0.5
0