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AISI 442 Stainless Steel vs. C82700 Copper

AISI 442 stainless steel belongs to the iron alloys classification, while C82700 copper belongs to the copper alloys. There are 27 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is AISI 442 stainless steel and the bottom bar is C82700 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 23
1.8
Poisson's Ratio 0.27
0.33
Shear Modulus, GPa 78
46
Tensile Strength: Ultimate (UTS), MPa 580
1200
Tensile Strength: Yield (Proof), MPa 310
1020

Thermal Properties

Latent Heat of Fusion, J/g 290
240
Maximum Temperature: Mechanical, °C 960
300
Melting Completion (Liquidus), °C 1430
950
Melting Onset (Solidus), °C 1390
860
Specific Heat Capacity, J/kg-K 480
380
Thermal Conductivity, W/m-K 22
130
Thermal Expansion, µm/m-K 11
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.7
20
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
21

Otherwise Unclassified Properties

Density, g/cm3 7.7
8.7
Embodied Carbon, kg CO2/kg material 2.3
12
Embodied Energy, MJ/kg 32
180
Embodied Water, L/kg 130
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
21
Resilience: Unit (Modulus of Resilience), kJ/m3 250
4260
Stiffness to Weight: Axial, points 14
7.8
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 21
38
Strength to Weight: Bending, points 20
29
Thermal Diffusivity, mm2/s 5.8
39
Thermal Shock Resistance, points 20
41

Alloy Composition

Aluminum (Al), % 0
0 to 0.15
Beryllium (Be), % 0
2.4 to 2.6
Carbon (C), % 0 to 0.2
0
Chromium (Cr), % 18 to 23
0 to 0.090
Copper (Cu), % 0
94.6 to 96.7
Iron (Fe), % 74.1 to 82
0 to 0.25
Lead (Pb), % 0
0 to 0.020
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 0 to 0.6
1.0 to 1.5
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0 to 0.15
Sulfur (S), % 0 to 0.040
0
Tin (Sn), % 0
0 to 0.1
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.5