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AISI 439 Stainless Steel vs. C84100 Brass

AISI 439 stainless steel belongs to the iron alloys classification, while C84100 brass belongs to the copper alloys. There are 29 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 AISI 439 stainless steel and the bottom bar is C84100 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
65
Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 23
13
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 77
39
Tensile Strength: Ultimate (UTS), MPa 490
230
Tensile Strength: Yield (Proof), MPa 250
81

Thermal Properties

Latent Heat of Fusion, J/g 280
190
Maximum Temperature: Mechanical, °C 890
160
Melting Completion (Liquidus), °C 1510
1000
Melting Onset (Solidus), °C 1430
810
Specific Heat Capacity, J/kg-K 480
380
Thermal Conductivity, W/m-K 25
110
Thermal Expansion, µm/m-K 11
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
23
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
25

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
29
Density, g/cm3 7.7
8.5
Embodied Carbon, kg CO2/kg material 2.3
2.9
Embodied Energy, MJ/kg 34
48
Embodied Water, L/kg 120
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 95
24
Resilience: Unit (Modulus of Resilience), kJ/m3 160
30
Stiffness to Weight: Axial, points 14
7.1
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 18
7.4
Strength to Weight: Bending, points 18
9.7
Thermal Diffusivity, mm2/s 6.7
33
Thermal Shock Resistance, points 16
7.8

Alloy Composition

Aluminum (Al), % 0 to 0.15
0 to 0.010
Antimony (Sb), % 0
0 to 0.050
Bismuth (Bi), % 0
0 to 0.090
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 17 to 19
0
Copper (Cu), % 0
78 to 85
Iron (Fe), % 77.1 to 82.8
0 to 0.3
Lead (Pb), % 0
0.050 to 0.25
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 0 to 0.5
0 to 0.5
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.040
0 to 0.050
Silicon (Si), % 0 to 1.0
0 to 0.010
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
1.5 to 4.5
Titanium (Ti), % 0.2 to 1.1
0
Zinc (Zn), % 0
12 to 20
Residuals, % 0
0 to 0.5