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CC755S Brass vs. S32950 Stainless Steel

CC755S brass belongs to the copper alloys classification, while S32950 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is CC755S brass and the bottom bar is S32950 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110
260
Elastic (Young's, Tensile) Modulus, GPa 100
200
Elongation at Break, % 9.5
17
Poisson's Ratio 0.31
0.27
Shear Modulus, GPa 40
80
Tensile Strength: Ultimate (UTS), MPa 390
780
Tensile Strength: Yield (Proof), MPa 250
550

Thermal Properties

Latent Heat of Fusion, J/g 170
300
Maximum Temperature: Mechanical, °C 120
1100
Melting Completion (Liquidus), °C 820
1430
Melting Onset (Solidus), °C 780
1390
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 120
16
Thermal Expansion, µm/m-K 21
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 30
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 23
17
Density, g/cm3 8.1
7.7
Embodied Carbon, kg CO2/kg material 2.7
3.4
Embodied Energy, MJ/kg 46
47
Embodied Water, L/kg 330
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 33
120
Resilience: Unit (Modulus of Resilience), kJ/m3 290
730
Stiffness to Weight: Axial, points 7.1
15
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 14
28
Strength to Weight: Bending, points 15
24
Thermal Diffusivity, mm2/s 38
4.3
Thermal Shock Resistance, points 13
21

Alloy Composition

Aluminum (Al), % 0.4 to 0.7
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
26 to 29
Copper (Cu), % 59.5 to 61
0
Iron (Fe), % 0.050 to 0.2
60.3 to 69.4
Lead (Pb), % 1.2 to 1.7
0
Manganese (Mn), % 0 to 0.050
0 to 2.0
Molybdenum (Mo), % 0
1.0 to 2.5
Nickel (Ni), % 0 to 0.2
3.5 to 5.2
Nitrogen (N), % 0
0.15 to 0.35
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0 to 0.050
0 to 0.6
Sulfur (S), % 0
0 to 0.010
Tin (Sn), % 0 to 0.3
0
Zinc (Zn), % 35.8 to 38.9
0