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CC755S Brass vs. S31254 Stainless Steel

CC755S brass belongs to the copper alloys classification, while S31254 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 S31254 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110
190
Elastic (Young's, Tensile) Modulus, GPa 100
200
Elongation at Break, % 9.5
40
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 40
80
Tensile Strength: Ultimate (UTS), MPa 390
720
Tensile Strength: Yield (Proof), MPa 250
330

Thermal Properties

Latent Heat of Fusion, J/g 170
300
Maximum Temperature: Mechanical, °C 120
1090
Melting Completion (Liquidus), °C 820
1460
Melting Onset (Solidus), °C 780
1420
Specific Heat Capacity, J/kg-K 390
460
Thermal Conductivity, W/m-K 120
14
Thermal Expansion, µm/m-K 21
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 30
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 23
28
Density, g/cm3 8.1
8.0
Embodied Carbon, kg CO2/kg material 2.7
5.5
Embodied Energy, MJ/kg 46
74
Embodied Water, L/kg 330
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 33
240
Resilience: Unit (Modulus of Resilience), kJ/m3 290
270
Stiffness to Weight: Axial, points 7.1
14
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 14
25
Strength to Weight: Bending, points 15
22
Thermal Diffusivity, mm2/s 38
3.8
Thermal Shock Resistance, points 13
15

Alloy Composition

Aluminum (Al), % 0.4 to 0.7
0
Carbon (C), % 0
0 to 0.020
Chromium (Cr), % 0
19.5 to 20.5
Copper (Cu), % 59.5 to 61
0.5 to 1.0
Iron (Fe), % 0.050 to 0.2
51.4 to 56.3
Lead (Pb), % 1.2 to 1.7
0
Manganese (Mn), % 0 to 0.050
0 to 1.0
Molybdenum (Mo), % 0
6.0 to 6.5
Nickel (Ni), % 0 to 0.2
17.5 to 18.5
Nitrogen (N), % 0
0.18 to 0.22
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.050
0 to 0.8
Sulfur (S), % 0
0 to 0.010
Tin (Sn), % 0 to 0.3
0
Zinc (Zn), % 35.8 to 38.9
0