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S40920 Stainless Steel vs. C44500 Brass

S40920 stainless steel belongs to the iron alloys classification, while C44500 brass belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is S40920 stainless steel and the bottom bar is C44500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 75
41
Tensile Strength: Ultimate (UTS), MPa 430
350
Tensile Strength: Yield (Proof), MPa 190
120

Thermal Properties

Latent Heat of Fusion, J/g 270
180
Maximum Temperature: Mechanical, °C 710
140
Melting Completion (Liquidus), °C 1450
940
Melting Onset (Solidus), °C 1400
900
Specific Heat Capacity, J/kg-K 480
380
Thermal Conductivity, W/m-K 26
110
Thermal Expansion, µm/m-K 10
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
25
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
27

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
26
Density, g/cm3 7.7
8.3
Embodied Carbon, kg CO2/kg material 2.0
2.7
Embodied Energy, MJ/kg 28
46
Embodied Water, L/kg 94
330

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 97
65
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 15
12
Strength to Weight: Bending, points 16
13
Thermal Diffusivity, mm2/s 6.9
35
Thermal Shock Resistance, points 15
12

Alloy Composition

Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 10.5 to 11.7
0
Copper (Cu), % 0
70 to 73
Iron (Fe), % 85.1 to 89.4
0 to 0.060
Lead (Pb), % 0
0 to 0.070
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 0 to 0.5
0
Niobium (Nb), % 0 to 0.1
0
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.040
0.020 to 0.1
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.020
0
Tin (Sn), % 0
0.9 to 1.2
Titanium (Ti), % 0.15 to 0.5
0
Zinc (Zn), % 0
25.2 to 29.1
Residuals, % 0
0 to 0.4