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S31266 Stainless Steel vs. CC490K Brass

S31266 stainless steel belongs to the iron alloys classification, while CC490K brass belongs to the copper alloys. There are 28 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 S31266 stainless steel and the bottom bar is CC490K brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
110
Elongation at Break, % 40
15
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 81
40
Tensile Strength: Ultimate (UTS), MPa 860
230
Tensile Strength: Yield (Proof), MPa 470
110

Thermal Properties

Latent Heat of Fusion, J/g 310
190
Maximum Temperature: Mechanical, °C 1100
160
Melting Completion (Liquidus), °C 1470
980
Melting Onset (Solidus), °C 1420
910
Specific Heat Capacity, J/kg-K 460
370
Thermal Conductivity, W/m-K 12
72
Thermal Expansion, µm/m-K 16
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
16
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
16

Otherwise Unclassified Properties

Base Metal Price, % relative 37
30
Density, g/cm3 8.2
8.8
Embodied Carbon, kg CO2/kg material 6.5
2.9
Embodied Energy, MJ/kg 89
47
Embodied Water, L/kg 220
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 290
28
Resilience: Unit (Modulus of Resilience), kJ/m3 540
54
Stiffness to Weight: Axial, points 14
6.8
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 29
7.3
Strength to Weight: Bending, points 24
9.5
Thermal Diffusivity, mm2/s 3.1
22
Thermal Shock Resistance, points 18
8.2

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Antimony (Sb), % 0
0 to 0.3
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 23 to 25
0
Copper (Cu), % 1.0 to 2.5
81 to 86
Iron (Fe), % 34.1 to 46
0 to 0.5
Lead (Pb), % 0
3.0 to 6.0
Manganese (Mn), % 2.0 to 4.0
0
Molybdenum (Mo), % 5.2 to 6.2
0
Nickel (Ni), % 21 to 24
0 to 2.0
Nitrogen (N), % 0.35 to 0.6
0
Phosphorus (P), % 0 to 0.035
0 to 0.050
Silicon (Si), % 0 to 1.0
0 to 0.010
Sulfur (S), % 0 to 0.020
0 to 0.1
Tin (Sn), % 0
2.0 to 3.5
Tungsten (W), % 1.5 to 2.5
0
Zinc (Zn), % 0
7.0 to 9.5