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SAE-AISI 50B44 Steel vs. CR024A Copper

SAE-AISI 50B44 steel belongs to the iron alloys classification, while CR024A copper belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 50B44 steel and the bottom bar is CR024A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 22
15
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 73
43
Tensile Strength: Ultimate (UTS), MPa 570
230
Tensile Strength: Yield (Proof), MPa 360
140

Thermal Properties

Latent Heat of Fusion, J/g 250
210
Maximum Temperature: Mechanical, °C 410
200
Melting Completion (Liquidus), °C 1460
1090
Melting Onset (Solidus), °C 1420
1040
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 46
370
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
100
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
100

Otherwise Unclassified Properties

Base Metal Price, % relative 2.0
31
Density, g/cm3 7.8
9.0
Embodied Carbon, kg CO2/kg material 1.4
2.6
Embodied Energy, MJ/kg 19
41
Embodied Water, L/kg 48
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
31
Resilience: Unit (Modulus of Resilience), kJ/m3 350
83
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 20
7.1
Strength to Weight: Bending, points 20
9.3
Thermal Diffusivity, mm2/s 12
110
Thermal Shock Resistance, points 17
8.1

Alloy Composition

Boron (B), % 0.00050 to 0.0030
0
Carbon (C), % 0.43 to 0.48
0
Chromium (Cr), % 0.2 to 0.6
0
Copper (Cu), % 0
99.9 to 99.985
Iron (Fe), % 97.5 to 98.5
0
Manganese (Mn), % 0.75 to 1.0
0
Phosphorus (P), % 0 to 0.035
0.015 to 0.040
Silicon (Si), % 0.15 to 0.35
0
Silver (Ag), % 0
0 to 0.015
Sulfur (S), % 0 to 0.040
0