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S31266 Stainless Steel vs. C43000 Brass

S31266 stainless steel belongs to the iron alloys classification, while C43000 brass belongs to the copper alloys. There are 29 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 C43000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
110
Elongation at Break, % 40
3.0 to 55
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 81
42
Shear Strength, MPa 590
230 to 410
Tensile Strength: Ultimate (UTS), MPa 860
320 to 710
Tensile Strength: Yield (Proof), MPa 470
130 to 550

Thermal Properties

Latent Heat of Fusion, J/g 310
190
Maximum Temperature: Mechanical, °C 1100
170
Melting Completion (Liquidus), °C 1470
1030
Melting Onset (Solidus), °C 1420
1000
Specific Heat Capacity, J/kg-K 460
380
Thermal Conductivity, W/m-K 12
120
Thermal Expansion, µm/m-K 16
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
27
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
28

Otherwise Unclassified Properties

Base Metal Price, % relative 37
29
Density, g/cm3 8.2
8.6
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
20 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 540
82 to 1350
Stiffness to Weight: Axial, points 14
7.1
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 29
10 to 23
Strength to Weight: Bending, points 24
12 to 20
Thermal Diffusivity, mm2/s 3.1
36
Thermal Shock Resistance, points 18
11 to 25

Alloy Composition

Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 23 to 25
0
Copper (Cu), % 1.0 to 2.5
84 to 87
Iron (Fe), % 34.1 to 46
0 to 0.050
Lead (Pb), % 0
0 to 0.1
Manganese (Mn), % 2.0 to 4.0
0
Molybdenum (Mo), % 5.2 to 6.2
0
Nickel (Ni), % 21 to 24
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
1.7 to 2.7
Tungsten (W), % 1.5 to 2.5
0
Zinc (Zn), % 0
9.7 to 14.3
Residuals, % 0
0 to 0.5