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ACI-ASTM CF8 Steel vs. Nickel Beryllium 360

ACI-ASTM CF8 steel belongs to the iron alloys classification, while nickel beryllium 360 belongs to the nickel alloys. There are 23 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CF8 steel and the bottom bar is nickel beryllium 360.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 55
1.0 to 30
Fatigue Strength, MPa 260
260 to 710
Poisson's Ratio 0.28
0.3
Shear Modulus, GPa 77
77
Tensile Strength: Ultimate (UTS), MPa 540
780 to 1860
Tensile Strength: Yield (Proof), MPa 260
380 to 1590

Thermal Properties

Melting Completion (Liquidus), °C 1420
1330
Melting Onset (Solidus), °C 1430
1200
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 16
48
Thermal Expansion, µm/m-K 15
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
5.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
5.4

Otherwise Unclassified Properties

Density, g/cm3 7.8
8.3

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
12 to 190
Resilience: Unit (Modulus of Resilience), kJ/m3 160
360 to 3440
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 19
26 to 62
Strength to Weight: Bending, points 19
23 to 41
Thermal Diffusivity, mm2/s 4.3
13
Thermal Shock Resistance, points 13
19 to 46