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SAE-AISI 8645 Steel vs. C19025 Copper

SAE-AISI 8645 steel belongs to the iron alloys classification, while C19025 copper belongs to the copper alloys. There are 26 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 SAE-AISI 8645 steel and the bottom bar is C19025 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 12 to 23
8.0 to 17
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 73
43
Shear Strength, MPa 380 to 400
300 to 360
Tensile Strength: Ultimate (UTS), MPa 600 to 670
480 to 620

Thermal Properties

Latent Heat of Fusion, J/g 250
210
Maximum Temperature: Mechanical, °C 410
200
Melting Completion (Liquidus), °C 1460
1080
Melting Onset (Solidus), °C 1420
1020
Specific Heat Capacity, J/kg-K 470
380
Thermal Conductivity, W/m-K 39
160
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
40
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
40

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
31
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 1.5
2.8
Embodied Energy, MJ/kg 20
44
Embodied Water, L/kg 50
320

Common Calculations

Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 21 to 24
15 to 19
Strength to Weight: Bending, points 20 to 22
15 to 18
Thermal Diffusivity, mm2/s 10
47
Thermal Shock Resistance, points 18 to 20
17 to 22

Alloy Composition

Carbon (C), % 0.43 to 0.48
0
Chromium (Cr), % 0.4 to 0.6
0
Copper (Cu), % 0
97.1 to 98.5
Iron (Fe), % 96.5 to 97.7
0
Manganese (Mn), % 0.75 to 1.0
0
Molybdenum (Mo), % 0.15 to 0.25
0
Nickel (Ni), % 0.4 to 0.7
0.8 to 1.2
Phosphorus (P), % 0 to 0.035
0.030 to 0.070
Silicon (Si), % 0.15 to 0.35
0
Sulfur (S), % 0 to 0.040
0
Tin (Sn), % 0
0.7 to 1.1
Zinc (Zn), % 0
0 to 0.2
Residuals, % 0
0 to 0.3