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ACI-ASTM CB7Cu-2 Steel vs. K94200 Alloy

Both ACI-ASTM CB7Cu-2 steel and K94200 alloy are iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CB7Cu-2 steel and the bottom bar is K94200 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
140
Elongation at Break, % 5.7 to 11
5.0 to 32
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 75
54
Tensile Strength: Ultimate (UTS), MPa 960 to 1350
500 to 710
Tensile Strength: Yield (Proof), MPa 760 to 1180
270 to 650

Thermal Properties

Melting Onset (Solidus), °C 1380
1440
Specific Heat Capacity, J/kg-K 480
500
Thermal Conductivity, W/m-K 17
15
Thermal Expansion, µm/m-K 11
5.0

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
3.0

Otherwise Unclassified Properties

Density, g/cm3 7.8
8.2

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 120
35 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 1510 to 3600
250 to 1460
Stiffness to Weight: Axial, points 14
9.8
Stiffness to Weight: Bending, points 25
21
Strength to Weight: Axial, points 34 to 48
17 to 24
Strength to Weight: Bending, points 28 to 35
17 to 22
Thermal Diffusivity, mm2/s 4.6
3.7
Thermal Shock Resistance, points 32 to 45
49 to 70