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C99400 Brass vs. S44401 Stainless Steel

C99400 brass belongs to the copper alloys classification, while S44401 stainless steel belongs to the iron alloys. There are 24 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 C99400 brass and the bottom bar is S44401 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 44
78
Tensile Strength: Ultimate (UTS), MPa 460 to 550
480
Tensile Strength: Yield (Proof), MPa 230 to 370
300

Thermal Properties

Latent Heat of Fusion, J/g 230
280
Maximum Temperature: Mechanical, °C 200
930
Melting Completion (Liquidus), °C 1070
1460
Melting Onset (Solidus), °C 1020
1420
Specific Heat Capacity, J/kg-K 400
470
Thermal Expansion, µm/m-K 17
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 17
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 17
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 30
12
Density, g/cm3 8.7
7.8
Embodied Carbon, kg CO2/kg material 2.8
2.9
Embodied Energy, MJ/kg 45
40
Embodied Water, L/kg 310
130

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 230 to 590
230
Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 15 to 17
17
Strength to Weight: Bending, points 15 to 17
18
Thermal Shock Resistance, points 16 to 19
17

Alloy Composition

Aluminum (Al), % 0.5 to 2.0
0
Carbon (C), % 0
0 to 0.025
Chromium (Cr), % 0
17.5 to 19.5
Copper (Cu), % 83.5 to 96.5
0
Iron (Fe), % 1.0 to 3.0
75.1 to 80.6
Lead (Pb), % 0 to 0.25
0
Manganese (Mn), % 0 to 0.5
0 to 1.0
Molybdenum (Mo), % 0
1.8 to 2.5
Nickel (Ni), % 1.0 to 3.5
0 to 1.0
Nitrogen (N), % 0
0 to 0.035
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0.5 to 2.0
0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0
0.2 to 0.8
Zinc (Zn), % 0.5 to 5.0
0
Residuals, % 0 to 0.3
0