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CC755S Brass vs. S44800 Stainless Steel

CC755S brass belongs to the copper alloys classification, while S44800 stainless steel belongs to the iron alloys. There are 29 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 CC755S brass and the bottom bar is S44800 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110
190
Elastic (Young's, Tensile) Modulus, GPa 100
210
Elongation at Break, % 9.5
23
Poisson's Ratio 0.31
0.27
Shear Modulus, GPa 40
82
Tensile Strength: Ultimate (UTS), MPa 390
590
Tensile Strength: Yield (Proof), MPa 250
450

Thermal Properties

Latent Heat of Fusion, J/g 170
300
Maximum Temperature: Mechanical, °C 120
1100
Melting Completion (Liquidus), °C 820
1460
Melting Onset (Solidus), °C 780
1410
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 120
17
Thermal Expansion, µm/m-K 21
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 30
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 23
19
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 2.7
3.8
Embodied Energy, MJ/kg 46
52
Embodied Water, L/kg 330
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 33
120
Resilience: Unit (Modulus of Resilience), kJ/m3 290
480
Stiffness to Weight: Axial, points 7.1
15
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 14
21
Strength to Weight: Bending, points 15
20
Thermal Diffusivity, mm2/s 38
4.6
Thermal Shock Resistance, points 13
19

Alloy Composition

Aluminum (Al), % 0.4 to 0.7
0
Carbon (C), % 0
0 to 0.010
Chromium (Cr), % 0
28 to 30
Copper (Cu), % 59.5 to 61
0 to 0.15
Iron (Fe), % 0.050 to 0.2
62.6 to 66.5
Lead (Pb), % 1.2 to 1.7
0
Manganese (Mn), % 0 to 0.050
0 to 0.3
Molybdenum (Mo), % 0
3.5 to 4.2
Nickel (Ni), % 0 to 0.2
2.0 to 2.5
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 0.050
0 to 0.2
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 0 to 0.3
0
Zinc (Zn), % 35.8 to 38.9
0