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S31655 Stainless Steel vs. C66200 Brass

S31655 stainless steel belongs to the iron alloys classification, while C66200 brass belongs to the copper alloys. There are 29 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 S31655 stainless steel and the bottom bar is C66200 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 39
8.0 to 15
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 78
42
Shear Strength, MPa 490
270 to 300
Tensile Strength: Ultimate (UTS), MPa 710
450 to 520
Tensile Strength: Yield (Proof), MPa 350
410 to 480

Thermal Properties

Latent Heat of Fusion, J/g 290
200
Maximum Temperature: Mechanical, °C 1010
180
Melting Completion (Liquidus), °C 1430
1070
Melting Onset (Solidus), °C 1380
1030
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 15
150
Thermal Expansion, µm/m-K 16
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
35
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
36

Otherwise Unclassified Properties

Base Metal Price, % relative 17
29
Density, g/cm3 7.8
8.7
Embodied Carbon, kg CO2/kg material 3.3
2.7
Embodied Energy, MJ/kg 46
43
Embodied Water, L/kg 160
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
40 to 66
Resilience: Unit (Modulus of Resilience), kJ/m3 310
760 to 1030
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 25
14 to 17
Strength to Weight: Bending, points 23
15 to 16
Thermal Diffusivity, mm2/s 4.0
45
Thermal Shock Resistance, points 16
16 to 18

Alloy Composition

Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 19.5 to 21.5
0
Copper (Cu), % 0 to 1.0
86.6 to 91
Iron (Fe), % 63.2 to 71.9
0 to 0.050
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 0.5 to 1.5
0
Nickel (Ni), % 8.0 to 9.5
0.3 to 1.0
Nitrogen (N), % 0.14 to 0.25
0
Phosphorus (P), % 0 to 0.045
0.050 to 0.2
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.015
0
Tin (Sn), % 0
0.2 to 0.7
Zinc (Zn), % 0
6.5 to 12.9
Residuals, % 0
0 to 0.5