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S31266 Stainless Steel vs. CC761S Brass

S31266 stainless steel belongs to the iron alloys classification, while CC761S 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 CC761S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
110
Elongation at Break, % 40
8.7
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 81
42
Tensile Strength: Ultimate (UTS), MPa 860
540
Tensile Strength: Yield (Proof), MPa 470
340

Thermal Properties

Latent Heat of Fusion, J/g 310
260
Maximum Temperature: Mechanical, °C 1100
170
Melting Completion (Liquidus), °C 1470
960
Melting Onset (Solidus), °C 1420
910
Specific Heat Capacity, J/kg-K 460
410
Thermal Conductivity, W/m-K 12
27
Thermal Expansion, µm/m-K 16
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
40
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
43

Otherwise Unclassified Properties

Base Metal Price, % relative 37
27
Density, g/cm3 8.2
8.3
Embodied Carbon, kg CO2/kg material 6.5
2.7
Embodied Energy, MJ/kg 89
45
Embodied Water, L/kg 220
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 290
41
Resilience: Unit (Modulus of Resilience), kJ/m3 540
530
Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 29
18
Strength to Weight: Bending, points 24
18
Thermal Diffusivity, mm2/s 3.1
8.0
Thermal Shock Resistance, points 18
19

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Antimony (Sb), % 0
0 to 0.050
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 23 to 25
0
Copper (Cu), % 1.0 to 2.5
78 to 83
Iron (Fe), % 34.1 to 46
0 to 0.6
Lead (Pb), % 0
0 to 0.8
Manganese (Mn), % 2.0 to 4.0
0 to 0.2
Molybdenum (Mo), % 5.2 to 6.2
0
Nickel (Ni), % 21 to 24
0 to 1.0
Nitrogen (N), % 0.35 to 0.6
0
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0 to 1.0
3.0 to 5.0
Sulfur (S), % 0 to 0.020
0
Tin (Sn), % 0
0 to 0.3
Tungsten (W), % 1.5 to 2.5
0
Zinc (Zn), % 0
8.9 to 19