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C66900 Brass vs. S40920 Stainless Steel

C66900 brass belongs to the copper alloys classification, while S40920 stainless steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C66900 brass and the bottom bar is S40920 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 1.1 to 26
22
Poisson's Ratio 0.32
0.28
Rockwell B Hardness 65 to 100
77
Shear Modulus, GPa 45
75
Shear Strength, MPa 290 to 440
270
Tensile Strength: Ultimate (UTS), MPa 460 to 770
430
Tensile Strength: Yield (Proof), MPa 330 to 760
190

Thermal Properties

Latent Heat of Fusion, J/g 190
270
Maximum Temperature: Mechanical, °C 150
710
Melting Completion (Liquidus), °C 860
1450
Melting Onset (Solidus), °C 850
1400
Specific Heat Capacity, J/kg-K 400
480
Thermal Expansion, µm/m-K 20
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.4
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 3.8
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 23
6.5
Density, g/cm3 8.2
7.7
Embodied Carbon, kg CO2/kg material 2.8
2.0
Embodied Energy, MJ/kg 46
28
Embodied Water, L/kg 310
94

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.6 to 200
78
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 2450
97
Stiffness to Weight: Axial, points 8.1
14
Stiffness to Weight: Bending, points 20
25
Strength to Weight: Axial, points 15 to 26
15
Strength to Weight: Bending, points 16 to 23
16
Thermal Shock Resistance, points 14 to 23
15

Alloy Composition

Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
10.5 to 11.7
Copper (Cu), % 62.5 to 64.5
0
Iron (Fe), % 0 to 0.25
85.1 to 89.4
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 11.5 to 12.5
0 to 1.0
Nickel (Ni), % 0
0 to 0.5
Niobium (Nb), % 0
0 to 0.1
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 0
0.15 to 0.5
Zinc (Zn), % 22.5 to 26
0
Residuals, % 0 to 0.2
0