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AISI 418 Stainless Steel vs. C27000 Brass

AISI 418 stainless steel belongs to the iron alloys classification, while C27000 brass belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is AISI 418 stainless steel and the bottom bar is C27000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 77
40
Tensile Strength: Ultimate (UTS), MPa 1100
370 to 650

Thermal Properties

Latent Heat of Fusion, J/g 270
180
Maximum Temperature: Mechanical, °C 770
130
Melting Completion (Liquidus), °C 1500
930
Melting Onset (Solidus), °C 1460
900
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 25
120
Thermal Expansion, µm/m-K 10
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
27
Electrical Conductivity: Equal Weight (Specific), % IACS 3.1
30

Otherwise Unclassified Properties

Base Metal Price, % relative 15
24
Density, g/cm3 8.0
8.1
Embodied Carbon, kg CO2/kg material 2.9
2.7
Embodied Energy, MJ/kg 41
45
Embodied Water, L/kg 110
320

Common Calculations

Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 38
13 to 22
Strength to Weight: Bending, points 29
14 to 21
Thermal Diffusivity, mm2/s 6.7
37
Thermal Shock Resistance, points 40
12 to 22

Alloy Composition

Carbon (C), % 0.15 to 0.2
0
Chromium (Cr), % 12 to 14
0
Copper (Cu), % 0
63 to 68.5
Iron (Fe), % 78.5 to 83.6
0 to 0.1
Lead (Pb), % 0
0 to 0.070
Manganese (Mn), % 0 to 0.5
0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 1.8 to 2.2
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.030
0
Tungsten (W), % 2.5 to 3.5
0
Zinc (Zn), % 0
31 to 37
Residuals, % 0
0 to 0.3