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C42600 Brass vs. S43940 Stainless Steel

C42600 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 C42600 brass and the bottom bar is S43940 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 1.1 to 40
21
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 42
77
Shear Strength, MPa 280 to 470
310
Tensile Strength: Ultimate (UTS), MPa 410 to 830
490
Tensile Strength: Yield (Proof), MPa 220 to 810
280

Thermal Properties

Latent Heat of Fusion, J/g 200
280
Maximum Temperature: Mechanical, °C 180
890
Melting Completion (Liquidus), °C 1030
1440
Melting Onset (Solidus), °C 1010
1400
Specific Heat Capacity, J/kg-K 380
480
Thermal Conductivity, W/m-K 110
25
Thermal Expansion, µm/m-K 18
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 26
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 31
12
Density, g/cm3 8.7
7.7
Embodied Carbon, kg CO2/kg material 2.9
2.6
Embodied Energy, MJ/kg 48
38
Embodied Water, L/kg 340
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.4 to 140
86
Resilience: Unit (Modulus of Resilience), kJ/m3 230 to 2970
200
Stiffness to Weight: Axial, points 7.1
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 13 to 27
18
Strength to Weight: Bending, points 14 to 23
18
Thermal Diffusivity, mm2/s 33
6.8
Thermal Shock Resistance, points 15 to 29
18

Alloy Composition

Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
17.5 to 18.5
Copper (Cu), % 87 to 90
0
Iron (Fe), % 0.050 to 0.2
78.2 to 82.1
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0.050 to 0.2
0
Niobium (Nb), % 0
0.3 to 0.6
Phosphorus (P), % 0.020 to 0.050
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 2.5 to 4.0
0
Titanium (Ti), % 0
0.1 to 0.6
Zinc (Zn), % 5.3 to 10.4
0
Residuals, % 0 to 0.2
0