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AISI 420F Stainless Steel vs. C85700 Brass

AISI 420F stainless steel belongs to the iron alloys classification, while C85700 brass belongs to the copper alloys. There are 28 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 AISI 420F stainless steel and the bottom bar is C85700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
100
Elongation at Break, % 18
17
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 76
40
Tensile Strength: Ultimate (UTS), MPa 740
310
Tensile Strength: Yield (Proof), MPa 430
110

Thermal Properties

Latent Heat of Fusion, J/g 270
170
Maximum Temperature: Mechanical, °C 760
120
Melting Completion (Liquidus), °C 1440
940
Melting Onset (Solidus), °C 1390
910
Specific Heat Capacity, J/kg-K 480
380
Thermal Conductivity, W/m-K 25
84
Thermal Expansion, µm/m-K 10
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.1
22
Electrical Conductivity: Equal Weight (Specific), % IACS 3.7
25

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
24
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 2.0
2.8
Embodied Energy, MJ/kg 28
47
Embodied Water, L/kg 100
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
41
Resilience: Unit (Modulus of Resilience), kJ/m3 480
59
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 27
11
Strength to Weight: Bending, points 23
13
Thermal Diffusivity, mm2/s 6.8
27
Thermal Shock Resistance, points 27
10

Alloy Composition

Aluminum (Al), % 0
0 to 0.8
Carbon (C), % 0.3 to 0.4
0
Chromium (Cr), % 12 to 14
0
Copper (Cu), % 0
58 to 64
Iron (Fe), % 82.4 to 87.6
0 to 0.7
Lead (Pb), % 0
0.8 to 1.5
Manganese (Mn), % 0 to 1.3
0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 0
0 to 1.0
Phosphorus (P), % 0 to 0.060
0
Silicon (Si), % 0 to 1.0
0 to 0.050
Sulfur (S), % 0.15 to 0.35
0
Tin (Sn), % 0
0.5 to 1.5
Zinc (Zn), % 0
32 to 40
Residuals, % 0
0 to 1.3