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S31655 Stainless Steel vs. C44500 Brass

S31655 stainless steel belongs to the iron alloys classification, while C44500 brass belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is S31655 stainless steel and the bottom bar is C44500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 78
41
Tensile Strength: Ultimate (UTS), MPa 710
350
Tensile Strength: Yield (Proof), MPa 350
120

Thermal Properties

Latent Heat of Fusion, J/g 290
180
Maximum Temperature: Mechanical, °C 1010
140
Melting Completion (Liquidus), °C 1430
940
Melting Onset (Solidus), °C 1380
900
Specific Heat Capacity, J/kg-K 480
380
Thermal Conductivity, W/m-K 15
110
Thermal Expansion, µm/m-K 16
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
25
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
27

Otherwise Unclassified Properties

Base Metal Price, % relative 17
26
Density, g/cm3 7.8
8.3
Embodied Carbon, kg CO2/kg material 3.3
2.7
Embodied Energy, MJ/kg 46
46
Embodied Water, L/kg 160
330

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 310
65
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 25
12
Strength to Weight: Bending, points 23
13
Thermal Diffusivity, mm2/s 4.0
35
Thermal Shock Resistance, points 16
12

Alloy Composition

Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 19.5 to 21.5
0
Copper (Cu), % 0 to 1.0
70 to 73
Iron (Fe), % 63.2 to 71.9
0 to 0.060
Lead (Pb), % 0
0 to 0.070
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
0.020 to 0.1
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.015
0
Tin (Sn), % 0
0.9 to 1.2
Zinc (Zn), % 0
25.2 to 29.1
Residuals, % 0
0 to 0.4