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C43500 Brass vs. S31727 Stainless Steel

C43500 brass belongs to the copper alloys classification, while S31727 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 C43500 brass and the bottom bar is S31727 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 8.5 to 46
40
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 42
78
Shear Strength, MPa 220 to 310
430
Tensile Strength: Ultimate (UTS), MPa 320 to 530
630
Tensile Strength: Yield (Proof), MPa 120 to 480
270

Thermal Properties

Latent Heat of Fusion, J/g 190
290
Maximum Temperature: Mechanical, °C 160
1010
Melting Completion (Liquidus), °C 1000
1440
Melting Onset (Solidus), °C 970
1390
Specific Heat Capacity, J/kg-K 380
470
Thermal Expansion, µm/m-K 19
16

Otherwise Unclassified Properties

Base Metal Price, % relative 28
24
Density, g/cm3 8.5
8.0
Embodied Carbon, kg CO2/kg material 2.7
4.7
Embodied Energy, MJ/kg 45
64
Embodied Water, L/kg 320
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 44 to 120
200
Resilience: Unit (Modulus of Resilience), kJ/m3 65 to 1040
190
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 10 to 17
22
Strength to Weight: Bending, points 12 to 17
20
Thermal Shock Resistance, points 11 to 18
14

Alloy Composition


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Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
17.5 to 19
Copper (Cu), % 79 to 83
2.8 to 4.0
Iron (Fe), % 0 to 0.050
53.7 to 61.3
Lead (Pb), % 0 to 0.090
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
3.8 to 4.5
Nickel (Ni), % 0
14.5 to 16.5
Nitrogen (N), % 0
0.15 to 0.21
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0.6 to 1.2
0
Zinc (Zn), % 15.4 to 20.4
0
Residuals, % 0 to 0.3
0