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AISI 440A Stainless Steel vs. C82500 Copper

AISI 440A stainless steel belongs to the iron alloys classification, while C82500 copper belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is AISI 440A stainless steel and the bottom bar is C82500 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 5.0 to 20
1.0 to 20
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 77
45
Tensile Strength: Ultimate (UTS), MPa 730 to 1790
550 to 1100
Tensile Strength: Yield (Proof), MPa 420 to 1650
310 to 980

Thermal Properties

Latent Heat of Fusion, J/g 280
240
Maximum Temperature: Mechanical, °C 760
280
Melting Completion (Liquidus), °C 1480
980
Melting Onset (Solidus), °C 1370
860
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 23
130
Thermal Expansion, µm/m-K 10
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
20
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
21

Otherwise Unclassified Properties

Density, g/cm3 7.7
8.8
Embodied Carbon, kg CO2/kg material 2.2
10
Embodied Energy, MJ/kg 31
160
Embodied Water, L/kg 120
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 87 to 120
11 to 94
Stiffness to Weight: Axial, points 14
7.7
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 26 to 65
18 to 35
Strength to Weight: Bending, points 23 to 43
17 to 27
Thermal Diffusivity, mm2/s 6.2
38
Thermal Shock Resistance, points 26 to 65
19 to 38

Alloy Composition

Aluminum (Al), % 0
0 to 0.15
Beryllium (Be), % 0
1.9 to 2.3
Carbon (C), % 0.6 to 0.75
0
Chromium (Cr), % 16 to 18
0 to 0.1
Cobalt (Co), % 0
0.15 to 0.7
Copper (Cu), % 0
95.3 to 97.8
Iron (Fe), % 78.4 to 83.4
0 to 0.25
Lead (Pb), % 0
0 to 0.020
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 0 to 0.75
0
Nickel (Ni), % 0
0 to 0.2
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0.2 to 0.35
Sulfur (S), % 0 to 0.015
0
Tin (Sn), % 0
0 to 0.1
Titanium (Ti), % 0
0 to 0.12
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.5