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Half-hard ASTM B628 vs. Half-hard K94200

Half-hard ASTM B628 belongs to the otherwise unclassified metals classification, while half-hard K94200 belongs to the iron alloys. There are 17 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is half-hard ASTM B628 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 31
54
Shear Strength, MPa 270
410
Tensile Strength: Ultimate (UTS), MPa 470
710

Thermal Properties

Melting Onset (Solidus), °C 780
1440
Specific Heat Capacity, J/kg-K 280
500
Thermal Expansion, µm/m-K 19
5.0

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 84
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 75
3.0

Otherwise Unclassified Properties

Density, g/cm3 10
8.2

Common Calculations

Stiffness to Weight: Axial, points 4.6
9.8
Stiffness to Weight: Bending, points 14
21
Strength to Weight: Axial, points 13
24
Strength to Weight: Bending, points 13
22
Thermal Shock Resistance, points 21
70