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AISI 440C Stainless Steel vs. C17300 Copper

AISI 440C stainless steel belongs to the iron alloys classification, while C17300 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 C17300 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 2.0 to 14
3.0 to 23
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 76
45
Shear Strength, MPa 430 to 1120
320 to 790
Tensile Strength: Ultimate (UTS), MPa 710 to 1970
500 to 1380
Tensile Strength: Yield (Proof), MPa 450 to 1900
160 to 1200

Thermal Properties

Latent Heat of Fusion, J/g 280
230
Maximum Temperature: Mechanical, °C 870
270
Melting Completion (Liquidus), °C 1480
980
Melting Onset (Solidus), °C 1370
870
Specific Heat Capacity, J/kg-K 480
380
Thermal Conductivity, W/m-K 22
110
Thermal Expansion, µm/m-K 10
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
22
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
23

Otherwise Unclassified Properties

Density, g/cm3 7.7
8.8
Embodied Carbon, kg CO2/kg material 2.2
9.4
Embodied Energy, MJ/kg 31
150
Embodied Water, L/kg 120
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 39 to 88
40 to 88
Stiffness to Weight: Axial, points 14
7.6
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 26 to 71
16 to 44
Strength to Weight: Bending, points 23 to 46
16 to 31
Thermal Diffusivity, mm2/s 6.0
32
Thermal Shock Resistance, points 26 to 71
17 to 48

Alloy Composition

Aluminum (Al), % 0
0 to 0.2
Beryllium (Be), % 0
1.8 to 2.0
Carbon (C), % 1.0 to 1.2
0
Chromium (Cr), % 16 to 18
0
Copper (Cu), % 0
95.5 to 97.8
Iron (Fe), % 78 to 83.1
0 to 0.4
Lead (Pb), % 0
0.2 to 0.6
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 0 to 0.75
0
Nickel (Ni), % 0
0.2 to 0.6
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0 to 0.2
Sulfur (S), % 0 to 0.015
0
Residuals, % 0
0 to 0.5