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CC751S Brass vs. AISI 440A Stainless Steel

CC751S brass belongs to the copper alloys classification, while AISI 440A stainless steel belongs to the iron 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 CC751S brass and the bottom bar is AISI 440A stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 5.6
5.0 to 20
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 40
77
Tensile Strength: Ultimate (UTS), MPa 450
730 to 1790
Tensile Strength: Yield (Proof), MPa 320
420 to 1650

Thermal Properties

Latent Heat of Fusion, J/g 190
280
Maximum Temperature: Mechanical, °C 130
760
Melting Completion (Liquidus), °C 850
1480
Melting Onset (Solidus), °C 810
1370
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 110
23
Thermal Expansion, µm/m-K 20
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 28
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 24
9.0
Density, g/cm3 8.1
7.7
Embodied Carbon, kg CO2/kg material 2.8
2.2
Embodied Energy, MJ/kg 46
31
Embodied Water, L/kg 330
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 23
87 to 120
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 15
26 to 65
Strength to Weight: Bending, points 16
23 to 43
Thermal Diffusivity, mm2/s 35
6.2
Thermal Shock Resistance, points 15
26 to 65

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Antimony (Sb), % 0 to 0.5
0
Carbon (C), % 0
0.6 to 0.75
Chromium (Cr), % 0
16 to 18
Copper (Cu), % 62.7 to 66
0
Iron (Fe), % 0.25 to 0.5
78.4 to 83.4
Lead (Pb), % 0.8 to 2.2
0
Manganese (Mn), % 0 to 0.15
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.75
Nickel (Ni), % 0 to 0.8
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0.65 to 1.1
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 0 to 0.8
0
Zinc (Zn), % 27.9 to 35.6
0