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AISI 442 Stainless Steel vs. C14181 Copper

AISI 442 stainless steel belongs to the iron alloys classification, while C14181 copper belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is AISI 442 stainless steel and the bottom bar is C14181 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 23
15
Poisson's Ratio 0.27
0.34
Shear Modulus, GPa 78
43
Tensile Strength: Ultimate (UTS), MPa 580
210
Tensile Strength: Yield (Proof), MPa 310
130

Thermal Properties

Latent Heat of Fusion, J/g 290
210
Maximum Temperature: Mechanical, °C 960
200
Melting Completion (Liquidus), °C 1430
1080
Melting Onset (Solidus), °C 1390
1080
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 22
380
Thermal Expansion, µm/m-K 11
17

Otherwise Unclassified Properties

Base Metal Price, % relative 10
31
Density, g/cm3 7.7
9.0
Embodied Carbon, kg CO2/kg material 2.3
2.6
Embodied Energy, MJ/kg 32
41
Embodied Water, L/kg 130
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
28
Resilience: Unit (Modulus of Resilience), kJ/m3 250
69
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 21
6.5
Strength to Weight: Bending, points 20
8.8
Thermal Diffusivity, mm2/s 5.8
110
Thermal Shock Resistance, points 20
7.4

Alloy Composition

Cadmium (Cd), % 0
0 to 0.0020
Carbon (C), % 0 to 0.2
0 to 0.0050
Chromium (Cr), % 18 to 23
0
Copper (Cu), % 0
99.9 to 100
Iron (Fe), % 74.1 to 82
0
Lead (Pb), % 0
0 to 0.0020
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 0 to 0.6
0
Phosphorus (P), % 0 to 0.040
0 to 0.0020
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.040
0
Zinc (Zn), % 0
0 to 0.0020