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CC761S Brass vs. S31266 Stainless Steel

CC761S brass belongs to the copper alloys classification, while S31266 stainless steel belongs to the iron 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 CC761S brass and the bottom bar is S31266 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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