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S31266 Stainless Steel vs. C99700 Brass

S31266 stainless steel belongs to the iron alloys classification, while C99700 brass belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is S31266 stainless steel and the bottom bar is C99700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
120
Elongation at Break, % 40
25
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 81
46
Tensile Strength: Ultimate (UTS), MPa 860
380
Tensile Strength: Yield (Proof), MPa 470
170

Thermal Properties

Latent Heat of Fusion, J/g 310
200
Maximum Temperature: Mechanical, °C 1100
160
Melting Completion (Liquidus), °C 1470
900
Melting Onset (Solidus), °C 1420
880
Specific Heat Capacity, J/kg-K 460
410
Thermal Expansion, µm/m-K 16
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 37
25
Density, g/cm3 8.2
8.1
Embodied Carbon, kg CO2/kg material 6.5
3.3
Embodied Energy, MJ/kg 89
53
Embodied Water, L/kg 220
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 290
78
Resilience: Unit (Modulus of Resilience), kJ/m3 540
120
Stiffness to Weight: Axial, points 14
8.3
Stiffness to Weight: Bending, points 24
20
Strength to Weight: Axial, points 29
13
Strength to Weight: Bending, points 24
14
Thermal Shock Resistance, points 18
11

Alloy Composition

Aluminum (Al), % 0
0.5 to 3.0
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 23 to 25
0
Copper (Cu), % 1.0 to 2.5
54 to 65.5
Iron (Fe), % 34.1 to 46
0 to 1.0
Lead (Pb), % 0
0 to 2.0
Manganese (Mn), % 2.0 to 4.0
11 to 15
Molybdenum (Mo), % 5.2 to 6.2
0
Nickel (Ni), % 21 to 24
4.0 to 6.0
Nitrogen (N), % 0.35 to 0.6
0
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.020
0
Tin (Sn), % 0
0 to 1.0
Tungsten (W), % 1.5 to 2.5
0
Zinc (Zn), % 0
19 to 25
Residuals, % 0
0 to 0.3