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S31266 Stainless Steel vs. CC751S Brass

S31266 stainless steel belongs to the iron alloys classification, while CC751S 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 CC751S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
110
Elongation at Break, % 40
5.6
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 81
40
Tensile Strength: Ultimate (UTS), MPa 860
450
Tensile Strength: Yield (Proof), MPa 470
320

Thermal Properties

Latent Heat of Fusion, J/g 310
190
Maximum Temperature: Mechanical, °C 1100
130
Melting Completion (Liquidus), °C 1470
850
Melting Onset (Solidus), °C 1420
810
Specific Heat Capacity, J/kg-K 460
390
Thermal Conductivity, W/m-K 12
110
Thermal Expansion, µm/m-K 16
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
25
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
28

Otherwise Unclassified Properties

Base Metal Price, % relative 37
24
Density, g/cm3 8.2
8.1
Embodied Carbon, kg CO2/kg material 6.5
2.8
Embodied Energy, MJ/kg 89
46
Embodied Water, L/kg 220
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 290
23
Resilience: Unit (Modulus of Resilience), kJ/m3 540
480
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 29
15
Strength to Weight: Bending, points 24
16
Thermal Diffusivity, mm2/s 3.1
35
Thermal Shock Resistance, points 18
15

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Antimony (Sb), % 0
0 to 0.5
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 23 to 25
0
Copper (Cu), % 1.0 to 2.5
62.7 to 66
Iron (Fe), % 34.1 to 46
0.25 to 0.5
Lead (Pb), % 0
0.8 to 2.2
Manganese (Mn), % 2.0 to 4.0
0 to 0.15
Molybdenum (Mo), % 5.2 to 6.2
0
Nickel (Ni), % 21 to 24
0 to 0.8
Nitrogen (N), % 0.35 to 0.6
0
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 1.0
0.65 to 1.1
Sulfur (S), % 0 to 0.020
0
Tin (Sn), % 0
0 to 0.8
Tungsten (W), % 1.5 to 2.5
0
Zinc (Zn), % 0
27.9 to 35.6