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AISI 440A Stainless Steel vs. C66200 Brass

AISI 440A stainless steel belongs to the iron alloys classification, while C66200 brass belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is AISI 440A stainless steel and the bottom bar is C66200 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 5.0 to 20
8.0 to 15
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 77
42
Shear Strength, MPa 450 to 1040
270 to 300
Tensile Strength: Ultimate (UTS), MPa 730 to 1790
450 to 520
Tensile Strength: Yield (Proof), MPa 420 to 1650
410 to 480

Thermal Properties

Latent Heat of Fusion, J/g 280
200
Maximum Temperature: Mechanical, °C 760
180
Melting Completion (Liquidus), °C 1480
1070
Melting Onset (Solidus), °C 1370
1030
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 23
150
Thermal Expansion, µm/m-K 10
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
35
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
36

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
29
Density, g/cm3 7.7
8.7
Embodied Carbon, kg CO2/kg material 2.2
2.7
Embodied Energy, MJ/kg 31
43
Embodied Water, L/kg 120
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 87 to 120
40 to 66
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 26 to 65
14 to 17
Strength to Weight: Bending, points 23 to 43
15 to 16
Thermal Diffusivity, mm2/s 6.2
45
Thermal Shock Resistance, points 26 to 65
16 to 18

Alloy Composition

Carbon (C), % 0.6 to 0.75
0
Chromium (Cr), % 16 to 18
0
Copper (Cu), % 0
86.6 to 91
Iron (Fe), % 78.4 to 83.4
0 to 0.050
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 0 to 0.75
0
Nickel (Ni), % 0
0.3 to 1.0
Phosphorus (P), % 0 to 0.040
0.050 to 0.2
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.015
0
Tin (Sn), % 0
0.2 to 0.7
Zinc (Zn), % 0
6.5 to 12.9
Residuals, % 0
0 to 0.5