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C69430 Brass vs. S32750 Stainless Steel

C69430 brass belongs to the copper alloys classification, while S32750 stainless steel belongs to the iron alloys. There are 29 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 C69430 brass and the bottom bar is S32750 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
210
Elongation at Break, % 17
17
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 42
81
Shear Strength, MPa 350
530
Tensile Strength: Ultimate (UTS), MPa 570
860
Tensile Strength: Yield (Proof), MPa 280
590

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Maximum Temperature: Mechanical, °C 170
1100
Melting Completion (Liquidus), °C 920
1450
Melting Onset (Solidus), °C 820
1400
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 26
15
Thermal Expansion, µm/m-K 18
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.2
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 6.7
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 27
21
Density, g/cm3 8.3
7.8
Embodied Carbon, kg CO2/kg material 2.7
4.1
Embodied Energy, MJ/kg 44
56
Embodied Water, L/kg 300
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
130
Resilience: Unit (Modulus of Resilience), kJ/m3 340
860
Stiffness to Weight: Axial, points 7.4
15
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 19
31
Strength to Weight: Bending, points 18
26
Thermal Diffusivity, mm2/s 7.7
4.0
Thermal Shock Resistance, points 20
25

Alloy Composition

Arsenic (As), % 0.030 to 0.060
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
24 to 26
Copper (Cu), % 80 to 83
0 to 0.5
Iron (Fe), % 0 to 0.2
58.1 to 66.8
Lead (Pb), % 0 to 0.3
0
Manganese (Mn), % 0
0 to 1.2
Molybdenum (Mo), % 0
3.0 to 5.0
Nickel (Ni), % 0
6.0 to 8.0
Nitrogen (N), % 0
0.24 to 0.32
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 3.5 to 4.5
0 to 0.8
Sulfur (S), % 0
0 to 0.020
Zinc (Zn), % 11.4 to 16.5
0
Residuals, % 0 to 0.5
0