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AISI 439 Stainless Steel vs. CC494K Bronze

AISI 439 stainless steel belongs to the iron alloys classification, while CC494K bronze 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 CC494K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
67
Elastic (Young's, Tensile) Modulus, GPa 200
100
Elongation at Break, % 23
7.6
Poisson's Ratio 0.28
0.35
Shear Modulus, GPa 77
39
Tensile Strength: Ultimate (UTS), MPa 490
210
Tensile Strength: Yield (Proof), MPa 250
94

Thermal Properties

Latent Heat of Fusion, J/g 280
180
Maximum Temperature: Mechanical, °C 890
160
Melting Completion (Liquidus), °C 1510
970
Melting Onset (Solidus), °C 1430
890
Specific Heat Capacity, J/kg-K 480
360
Thermal Conductivity, W/m-K 25
63
Thermal Expansion, µm/m-K 11
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
16
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
16

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
31
Density, g/cm3 7.7
9.1
Embodied Carbon, kg CO2/kg material 2.3
3.1
Embodied Energy, MJ/kg 34
50
Embodied Water, L/kg 120
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 95
13
Resilience: Unit (Modulus of Resilience), kJ/m3 160
43
Stiffness to Weight: Axial, points 14
6.4
Stiffness to Weight: Bending, points 25
17
Strength to Weight: Axial, points 18
6.5
Strength to Weight: Bending, points 18
8.8
Thermal Diffusivity, mm2/s 6.7
19
Thermal Shock Resistance, points 16
7.8

Alloy Composition

Aluminum (Al), % 0 to 0.15
0 to 0.010
Antimony (Sb), % 0
0 to 0.5
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 17 to 19
0
Copper (Cu), % 0
78 to 87
Iron (Fe), % 77.1 to 82.8
0 to 0.25
Lead (Pb), % 0
8.0 to 10
Manganese (Mn), % 0 to 1.0
0 to 0.2
Nickel (Ni), % 0 to 0.5
0 to 2.0
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.040
0 to 0.1
Silicon (Si), % 0 to 1.0
0 to 0.010
Sulfur (S), % 0 to 0.030
0 to 0.1
Tin (Sn), % 0
4.0 to 6.0
Titanium (Ti), % 0.2 to 1.1
0
Zinc (Zn), % 0
0 to 2.0