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S31254 Stainless Steel vs. CC490K Brass

S31254 stainless steel belongs to the iron alloys classification, while CC490K 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 CC490K brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
76
Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 40
15
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 80
40
Tensile Strength: Ultimate (UTS), MPa 720
230
Tensile Strength: Yield (Proof), MPa 330
110

Thermal Properties

Latent Heat of Fusion, J/g 300
190
Maximum Temperature: Mechanical, °C 1090
160
Melting Completion (Liquidus), °C 1460
980
Melting Onset (Solidus), °C 1420
910
Specific Heat Capacity, J/kg-K 460
370
Thermal Conductivity, W/m-K 14
72
Thermal Expansion, µm/m-K 17
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
16
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
16

Otherwise Unclassified Properties

Base Metal Price, % relative 28
30
Density, g/cm3 8.0
8.8
Embodied Carbon, kg CO2/kg material 5.5
2.9
Embodied Energy, MJ/kg 74
47
Embodied Water, L/kg 190
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
28
Resilience: Unit (Modulus of Resilience), kJ/m3 270
54
Stiffness to Weight: Axial, points 14
6.8
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 25
7.3
Strength to Weight: Bending, points 22
9.5
Thermal Diffusivity, mm2/s 3.8
22
Thermal Shock Resistance, points 15
8.2

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Antimony (Sb), % 0
0 to 0.3
Carbon (C), % 0 to 0.020
0
Chromium (Cr), % 19.5 to 20.5
0
Copper (Cu), % 0.5 to 1.0
81 to 86
Iron (Fe), % 51.4 to 56.3
0 to 0.5
Lead (Pb), % 0
3.0 to 6.0
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 6.0 to 6.5
0
Nickel (Ni), % 17.5 to 18.5
0 to 2.0
Nitrogen (N), % 0.18 to 0.22
0
Phosphorus (P), % 0 to 0.030
0 to 0.050
Silicon (Si), % 0 to 0.8
0 to 0.010
Sulfur (S), % 0 to 0.010
0 to 0.1
Tin (Sn), % 0
2.0 to 3.5
Zinc (Zn), % 0
7.0 to 9.5