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AISI 446 Stainless Steel vs. CR016A Copper

AISI 446 stainless steel belongs to the iron alloys classification, while CR016A copper belongs to the copper alloys. There are 28 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 446 stainless steel and the bottom bar is CR016A 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 79
43
Tensile Strength: Ultimate (UTS), MPa 570
230
Tensile Strength: Yield (Proof), MPa 300
140

Thermal Properties

Latent Heat of Fusion, J/g 290
210
Maximum Temperature: Mechanical, °C 1180
200
Melting Completion (Liquidus), °C 1510
1090
Melting Onset (Solidus), °C 1430
1040
Specific Heat Capacity, J/kg-K 490
390
Thermal Conductivity, W/m-K 17
390
Thermal Expansion, µm/m-K 11
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
98
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
99

Otherwise Unclassified Properties

Base Metal Price, % relative 12
35
Density, g/cm3 7.7
9.0
Embodied Carbon, kg CO2/kg material 2.4
2.7
Embodied Energy, MJ/kg 35
42
Embodied Water, L/kg 150
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
31
Resilience: Unit (Modulus of Resilience), kJ/m3 230
83
Stiffness to Weight: Axial, points 15
7.2
Stiffness to Weight: Bending, points 26
18
Strength to Weight: Axial, points 21
7.1
Strength to Weight: Bending, points 20
9.3
Thermal Diffusivity, mm2/s 4.6
110
Thermal Shock Resistance, points 19
8.1

Alloy Composition

Bismuth (Bi), % 0
0 to 0.00050
Carbon (C), % 0 to 0.2
0
Chromium (Cr), % 23 to 27
0
Copper (Cu), % 0
99.843 to 99.919
Iron (Fe), % 69.2 to 77
0
Manganese (Mn), % 0 to 1.5
0
Nickel (Ni), % 0 to 0.75
0
Nitrogen (N), % 0 to 0.25
0
Phosphorus (P), % 0 to 0.040
0.0010 to 0.0070
Silicon (Si), % 0 to 1.0
0
Silver (Ag), % 0
0.080 to 0.12
Sulfur (S), % 0 to 0.030
0