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S31655 Stainless Steel vs. C43500 Brass

S31655 stainless steel belongs to the iron alloys classification, while C43500 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 C43500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 39
8.5 to 46
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 78
42
Shear Strength, MPa 490
220 to 310
Tensile Strength: Ultimate (UTS), MPa 710
320 to 530
Tensile Strength: Yield (Proof), MPa 350
120 to 480

Thermal Properties

Latent Heat of Fusion, J/g 290
190
Maximum Temperature: Mechanical, °C 1010
160
Melting Completion (Liquidus), °C 1430
1000
Melting Onset (Solidus), °C 1380
970
Specific Heat Capacity, J/kg-K 480
380
Thermal Conductivity, W/m-K 15
120
Thermal Expansion, µm/m-K 16
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
28
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
30

Otherwise Unclassified Properties

Base Metal Price, % relative 17
28
Density, g/cm3 7.8
8.5
Embodied Carbon, kg CO2/kg material 3.3
2.7
Embodied Energy, MJ/kg 46
45
Embodied Water, L/kg 160
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
44 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 310
65 to 1040
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 25
10 to 17
Strength to Weight: Bending, points 23
12 to 17
Thermal Diffusivity, mm2/s 4.0
37
Thermal Shock Resistance, points 16
11 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
79 to 83
Iron (Fe), % 63.2 to 71.9
0 to 0.050
Lead (Pb), % 0
0 to 0.090
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 0.5 to 1.5
0
Nickel (Ni), % 8.0 to 9.5
0
Nitrogen (N), % 0.14 to 0.25
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.015
0
Tin (Sn), % 0
0.6 to 1.2
Zinc (Zn), % 0
15.4 to 20.4
Residuals, % 0
0 to 0.3