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C84000 Brass vs. S21640 Stainless Steel

C84000 brass belongs to the copper alloys classification, while S21640 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C84000 brass and the bottom bar is S21640 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 65
230
Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 27
46
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 42
78
Tensile Strength: Ultimate (UTS), MPa 250
740
Tensile Strength: Yield (Proof), MPa 140
350

Thermal Properties

Latent Heat of Fusion, J/g 190
290
Maximum Temperature: Mechanical, °C 170
940
Melting Completion (Liquidus), °C 1040
1430
Melting Onset (Solidus), °C 940
1380
Specific Heat Capacity, J/kg-K 380
480
Thermal Conductivity, W/m-K 72
15
Thermal Expansion, µm/m-K 18
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
17
Density, g/cm3 8.6
7.7
Embodied Carbon, kg CO2/kg material 3.0
3.6
Embodied Energy, MJ/kg 49
51
Embodied Water, L/kg 330
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 58
280
Resilience: Unit (Modulus of Resilience), kJ/m3 83
300
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 8.2
27
Strength to Weight: Bending, points 10
23
Thermal Diffusivity, mm2/s 22
4.0
Thermal Shock Resistance, points 9.0
16

Alloy Composition


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Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.020
0
Boron (B), % 0 to 0.1
0
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0
17.5 to 19.5
Copper (Cu), % 82 to 89
0
Iron (Fe), % 0 to 0.4
63 to 74.3
Lead (Pb), % 0 to 0.090
0
Manganese (Mn), % 0 to 0.010
3.5 to 6.5
Molybdenum (Mo), % 0
0.5 to 2.0
Nickel (Ni), % 0.5 to 2.0
4.0 to 6.5
Niobium (Nb), % 0
0.1 to 1.0
Nitrogen (N), % 0
0.080 to 0.3
Phosphorus (P), % 0 to 0.050
0 to 0.060
Silicon (Si), % 0 to 0.0050
0 to 1.0
Sulfur (S), % 0.1 to 0.65
0 to 0.030
Tin (Sn), % 2.0 to 4.0
0
Zinc (Zn), % 5.0 to 14
0
Zirconium (Zr), % 0 to 0.1
0
Residuals, % 0 to 0.7
0