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S31254 Stainless Steel vs. CC755S Brass

S31254 stainless steel belongs to the iron alloys classification, while CC755S brass belongs to the copper 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 S31254 stainless steel and the bottom bar is CC755S brass.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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