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Half-hard ASTM B780 Alloy vs. Half-hard K94200

Half-hard ASTM B780 alloy belongs to the otherwise unclassified metals classification, while half-hard K94200 belongs to the iron alloys. There are 16 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is half-hard ASTM B780 alloy and the bottom bar is half-hard K94200.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 83
140
Elongation at Break, % 3.4
5.0
Poisson's Ratio 0.36
0.34
Shear Modulus, GPa 30
54
Shear Strength, MPa 250
410
Tensile Strength: Ultimate (UTS), MPa 440
710

Thermal Properties

Specific Heat Capacity, J/kg-K 270
500
Thermal Expansion, µm/m-K 18
5.0

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 73
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 65
3.0

Otherwise Unclassified Properties

Density, g/cm3 10
8.2

Common Calculations

Stiffness to Weight: Axial, points 4.5
9.8
Stiffness to Weight: Bending, points 14
21
Strength to Weight: Axial, points 12
24
Strength to Weight: Bending, points 13
22
Thermal Shock Resistance, points 21
70