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C85800 Brass vs. AISI 418 Stainless Steel

C85800 brass belongs to the copper alloys classification, while AISI 418 stainless steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C85800 brass and the bottom bar is AISI 418 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
200
Elongation at Break, % 15
17
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 40
77
Tensile Strength: Ultimate (UTS), MPa 380
1100
Tensile Strength: Yield (Proof), MPa 210
850

Thermal Properties

Latent Heat of Fusion, J/g 170
270
Maximum Temperature: Mechanical, °C 120
770
Melting Completion (Liquidus), °C 900
1500
Melting Onset (Solidus), °C 870
1460
Specific Heat Capacity, J/kg-K 380
470
Thermal Conductivity, W/m-K 84
25
Thermal Expansion, µm/m-K 20
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 20
2.8
Electrical Conductivity: Equal Weight (Specific), % IACS 22
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 24
15
Density, g/cm3 8.0
8.0
Embodied Carbon, kg CO2/kg material 2.8
2.9
Embodied Energy, MJ/kg 47
41
Embodied Water, L/kg 330
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 48
170
Resilience: Unit (Modulus of Resilience), kJ/m3 210
1830
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 20
24
Strength to Weight: Axial, points 13
38
Strength to Weight: Bending, points 15
29
Thermal Diffusivity, mm2/s 27
6.7
Thermal Shock Resistance, points 13
40

Alloy Composition

Aluminum (Al), % 0 to 0.55
0
Antimony (Sb), % 0 to 0.050
0
Arsenic (As), % 0 to 0.050
0
Carbon (C), % 0
0.15 to 0.2
Chromium (Cr), % 0
12 to 14
Copper (Cu), % 57 to 69
0
Iron (Fe), % 0 to 0.5
78.5 to 83.6
Lead (Pb), % 0 to 1.5
0
Manganese (Mn), % 0 to 0.25
0 to 0.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0 to 0.5
1.8 to 2.2
Phosphorus (P), % 0 to 0.010
0 to 0.040
Silicon (Si), % 0 to 0.25
0 to 0.5
Sulfur (S), % 0 to 0.050
0 to 0.030
Tin (Sn), % 0 to 1.5
0
Tungsten (W), % 0
2.5 to 3.5
Zinc (Zn), % 31 to 41
0
Residuals, % 0 to 1.3
0