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AISI 440C Stainless Steel vs. CR008A Copper

AISI 440C stainless steel belongs to the iron alloys classification, while CR008A copper belongs to the copper alloys. There are 27 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is AISI 440C stainless steel and the bottom bar is CR008A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 2.0 to 14
15
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 76
43
Tensile Strength: Ultimate (UTS), MPa 710 to 1970
220
Tensile Strength: Yield (Proof), MPa 450 to 1900
130

Thermal Properties

Latent Heat of Fusion, J/g 280
210
Maximum Temperature: Mechanical, °C 870
200
Melting Completion (Liquidus), °C 1480
1090
Melting Onset (Solidus), °C 1370
1040
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 22
380
Thermal Expansion, µm/m-K 10
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
100
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
100

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
31
Density, g/cm3 7.7
9.0
Embodied Carbon, kg CO2/kg material 2.2
2.6
Embodied Energy, MJ/kg 31
41
Embodied Water, L/kg 120
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 39 to 88
29
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 26 to 71
6.8
Strength to Weight: Bending, points 23 to 46
9.0
Thermal Diffusivity, mm2/s 6.0
110
Thermal Shock Resistance, points 26 to 71
7.8

Alloy Composition

Bismuth (Bi), % 0
0 to 0.00050
Carbon (C), % 1.0 to 1.2
0
Chromium (Cr), % 16 to 18
0
Copper (Cu), % 0
99.95 to 100
Iron (Fe), % 78 to 83.1
0
Lead (Pb), % 0
0 to 0.0050
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 0 to 0.75
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Silver (Ag), % 0
0 to 0.015
Sulfur (S), % 0 to 0.015
0