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S31266 Stainless Steel vs. C85700 Brass

S31266 stainless steel belongs to the iron alloys classification, while C85700 brass belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is S31266 stainless steel and the bottom bar is C85700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
100
Elongation at Break, % 40
17
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 81
40
Tensile Strength: Ultimate (UTS), MPa 860
310
Tensile Strength: Yield (Proof), MPa 470
110

Thermal Properties

Latent Heat of Fusion, J/g 310
170
Maximum Temperature: Mechanical, °C 1100
120
Melting Completion (Liquidus), °C 1470
940
Melting Onset (Solidus), °C 1420
910
Specific Heat Capacity, J/kg-K 460
380
Thermal Conductivity, W/m-K 12
84
Thermal Expansion, µm/m-K 16
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
22
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
25

Otherwise Unclassified Properties

Base Metal Price, % relative 37
24
Density, g/cm3 8.2
8.0
Embodied Carbon, kg CO2/kg material 6.5
2.8
Embodied Energy, MJ/kg 89
47
Embodied Water, L/kg 220
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 290
41
Resilience: Unit (Modulus of Resilience), kJ/m3 540
59
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 24
20
Strength to Weight: Axial, points 29
11
Strength to Weight: Bending, points 24
13
Thermal Diffusivity, mm2/s 3.1
27
Thermal Shock Resistance, points 18
10

Alloy Composition

Aluminum (Al), % 0
0 to 0.8
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 23 to 25
0
Copper (Cu), % 1.0 to 2.5
58 to 64
Iron (Fe), % 34.1 to 46
0 to 0.7
Lead (Pb), % 0
0.8 to 1.5
Manganese (Mn), % 2.0 to 4.0
0
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
Silicon (Si), % 0 to 1.0
0 to 0.050
Sulfur (S), % 0 to 0.020
0
Tin (Sn), % 0
0.5 to 1.5
Tungsten (W), % 1.5 to 2.5
0
Zinc (Zn), % 0
32 to 40
Residuals, % 0
0 to 1.3