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C84200 Brass vs. S20431 Stainless Steel

C84200 brass belongs to the copper alloys classification, while S20431 stainless steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C84200 brass and the bottom bar is S20431 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 15
46
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 40
76
Tensile Strength: Ultimate (UTS), MPa 250
710
Tensile Strength: Yield (Proof), MPa 120
350

Thermal Properties

Latent Heat of Fusion, J/g 180
280
Maximum Temperature: Mechanical, °C 150
890
Melting Completion (Liquidus), °C 990
1400
Melting Onset (Solidus), °C 840
1360
Specific Heat Capacity, J/kg-K 370
480
Thermal Conductivity, W/m-K 72
15
Thermal Expansion, µm/m-K 19
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 17
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 30
12
Density, g/cm3 8.5
7.7
Embodied Carbon, kg CO2/kg material 3.1
2.5
Embodied Energy, MJ/kg 51
36
Embodied Water, L/kg 350
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
270
Resilience: Unit (Modulus of Resilience), kJ/m3 72
310
Stiffness to Weight: Axial, points 6.9
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 8.2
25
Strength to Weight: Bending, points 10
23
Thermal Diffusivity, mm2/s 23
4.0
Thermal Shock Resistance, points 9.1
15

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.25
0
Carbon (C), % 0
0 to 0.12
Chromium (Cr), % 0
17 to 18
Copper (Cu), % 78 to 82
1.5 to 3.5
Iron (Fe), % 0 to 0.4
66.1 to 74.4
Lead (Pb), % 2.0 to 3.0
0
Manganese (Mn), % 0
5.0 to 7.0
Nickel (Ni), % 0 to 0.8
2.0 to 4.0
Nitrogen (N), % 0
0.1 to 0.25
Phosphorus (P), % 0 to 1.5
0 to 0.045
Silicon (Si), % 0 to 0.0050
0 to 1.0
Sulfur (S), % 0 to 0.080
0 to 0.030
Tin (Sn), % 4.0 to 6.0
0
Zinc (Zn), % 10 to 16
0
Residuals, % 0 to 0.7
0