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AISI 440B Stainless Steel vs. CC765S Brass

AISI 440B stainless steel belongs to the iron alloys classification, while CC765S 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 440B stainless steel and the bottom bar is CC765S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 3.0 to 18
21
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 77
42
Tensile Strength: Ultimate (UTS), MPa 740 to 1930
540
Tensile Strength: Yield (Proof), MPa 430 to 1860
220

Thermal Properties

Latent Heat of Fusion, J/g 280
180
Maximum Temperature: Mechanical, °C 870
140
Melting Completion (Liquidus), °C 1480
860
Melting Onset (Solidus), °C 1370
820
Specific Heat Capacity, J/kg-K 480
400
Thermal Conductivity, W/m-K 23
91
Thermal Expansion, µm/m-K 10
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
30
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
34

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
24
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 2.2
3.0
Embodied Energy, MJ/kg 31
51
Embodied Water, L/kg 120
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 57 to 110
90
Stiffness to Weight: Axial, points 14
7.6
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 27 to 70
19
Strength to Weight: Bending, points 24 to 45
18
Thermal Diffusivity, mm2/s 6.1
28
Thermal Shock Resistance, points 27 to 70
17

Alloy Composition

Aluminum (Al), % 0
0.5 to 2.5
Antimony (Sb), % 0
0 to 0.080
Carbon (C), % 0.75 to 1.0
0
Chromium (Cr), % 16 to 18
0
Copper (Cu), % 0
51 to 65
Iron (Fe), % 78.2 to 83.3
0.5 to 2.0
Lead (Pb), % 0
0 to 0.5
Manganese (Mn), % 0 to 1.0
0.3 to 3.0
Molybdenum (Mo), % 0 to 0.75
0
Nickel (Ni), % 0
0 to 6.0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.1
Sulfur (S), % 0 to 0.015
0
Tin (Sn), % 0
0 to 1.0
Zinc (Zn), % 0
19.8 to 47.7