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C84000 Brass vs. S43940 Stainless Steel

C84000 brass belongs to the copper alloys classification, while S43940 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 C84000 brass and the bottom bar is S43940 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 65
160
Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 27
21
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 42
77
Tensile Strength: Ultimate (UTS), MPa 250
490
Tensile Strength: Yield (Proof), MPa 140
280

Thermal Properties

Latent Heat of Fusion, J/g 190
280
Maximum Temperature: Mechanical, °C 170
890
Melting Completion (Liquidus), °C 1040
1440
Melting Onset (Solidus), °C 940
1400
Specific Heat Capacity, J/kg-K 380
480
Thermal Conductivity, W/m-K 72
25
Thermal Expansion, µm/m-K 18
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 17
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 30
12
Density, g/cm3 8.6
7.7
Embodied Carbon, kg CO2/kg material 3.0
2.6
Embodied Energy, MJ/kg 49
38
Embodied Water, L/kg 330
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 58
86
Resilience: Unit (Modulus of Resilience), kJ/m3 83
200
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 8.2
18
Strength to Weight: Bending, points 10
18
Thermal Diffusivity, mm2/s 22
6.8
Thermal Shock Resistance, points 9.0
18

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 0.030
Chromium (Cr), % 0
17.5 to 18.5
Copper (Cu), % 82 to 89
0
Iron (Fe), % 0 to 0.4
78.2 to 82.1
Lead (Pb), % 0 to 0.090
0
Manganese (Mn), % 0 to 0.010
0 to 1.0
Nickel (Ni), % 0.5 to 2.0
0
Niobium (Nb), % 0
0.3 to 0.6
Phosphorus (P), % 0 to 0.050
0 to 0.040
Silicon (Si), % 0 to 0.0050
0 to 1.0
Sulfur (S), % 0.1 to 0.65
0 to 0.015
Tin (Sn), % 2.0 to 4.0
0
Titanium (Ti), % 0
0.1 to 0.6
Zinc (Zn), % 5.0 to 14
0
Zirconium (Zr), % 0 to 0.1
0
Residuals, % 0 to 0.7
0