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S41050 Stainless Steel vs. C69430 Brass

S41050 stainless steel belongs to the iron alloys classification, while C69430 brass belongs to the copper 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 S41050 stainless steel and the bottom bar is C69430 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 25
17
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 76
42
Shear Strength, MPa 300
350
Tensile Strength: Ultimate (UTS), MPa 470
570
Tensile Strength: Yield (Proof), MPa 230
280

Thermal Properties

Latent Heat of Fusion, J/g 270
260
Maximum Temperature: Mechanical, °C 720
170
Melting Completion (Liquidus), °C 1440
920
Melting Onset (Solidus), °C 1400
820
Specific Heat Capacity, J/kg-K 480
410
Thermal Conductivity, W/m-K 27
26
Thermal Expansion, µm/m-K 10
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
6.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
6.7

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
27
Density, g/cm3 7.8
8.3
Embodied Carbon, kg CO2/kg material 1.9
2.7
Embodied Energy, MJ/kg 27
44
Embodied Water, L/kg 97
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 98
80
Resilience: Unit (Modulus of Resilience), kJ/m3 140
340
Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 17
19
Strength to Weight: Bending, points 17
18
Thermal Diffusivity, mm2/s 7.2
7.7
Thermal Shock Resistance, points 17
20

Alloy Composition


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Arsenic (As), % 0
0.030 to 0.060
Carbon (C), % 0 to 0.040
0
Chromium (Cr), % 10.5 to 12.5
0
Copper (Cu), % 0
80 to 83
Iron (Fe), % 84.2 to 88.9
0 to 0.2
Lead (Pb), % 0
0 to 0.3
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 0.6 to 1.1
0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.0
3.5 to 4.5
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
11.4 to 16.5
Residuals, % 0
0 to 0.5