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AISI 440A Stainless Steel vs. CC755S Brass

AISI 440A stainless steel belongs to the iron alloys classification, while CC755S brass belongs to the copper alloys. There are 27 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is AISI 440A stainless steel and the bottom bar is CC755S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
100
Elongation at Break, % 5.0 to 20
9.5
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 77
40
Tensile Strength: Ultimate (UTS), MPa 730 to 1790
390
Tensile Strength: Yield (Proof), MPa 420 to 1650
250

Thermal Properties

Latent Heat of Fusion, J/g 280
170
Maximum Temperature: Mechanical, °C 760
120
Melting Completion (Liquidus), °C 1480
820
Melting Onset (Solidus), °C 1370
780
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 23
120
Thermal Expansion, µm/m-K 10
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
27
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
30

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
23
Density, g/cm3 7.7
8.1
Embodied Carbon, kg CO2/kg material 2.2
2.7
Embodied Energy, MJ/kg 31
46
Embodied Water, L/kg 120
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 87 to 120
33
Stiffness to Weight: Axial, points 14
7.1
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 26 to 65
14
Strength to Weight: Bending, points 23 to 43
15
Thermal Diffusivity, mm2/s 6.2
38
Thermal Shock Resistance, points 26 to 65
13

Alloy Composition

Aluminum (Al), % 0
0.4 to 0.7
Carbon (C), % 0.6 to 0.75
0
Chromium (Cr), % 16 to 18
0
Copper (Cu), % 0
59.5 to 61
Iron (Fe), % 78.4 to 83.4
0.050 to 0.2
Lead (Pb), % 0
1.2 to 1.7
Manganese (Mn), % 0 to 1.0
0 to 0.050
Molybdenum (Mo), % 0 to 0.75
0
Nickel (Ni), % 0
0 to 0.2
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0 to 0.050
Sulfur (S), % 0 to 0.015
0
Tin (Sn), % 0
0 to 0.3
Zinc (Zn), % 0
35.8 to 38.9