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Half-hard ASTM F15 vs. Half-hard K94200

Both half-hard ASTM F15 and half-hard K94200 are iron alloys. Both are furnished in the half-hard temper. There are 18 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 half-hard ASTM F15 and the bottom bar is half-hard K94200.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
140
Poisson's Ratio 0.3
0.34
Shear Modulus, GPa 73
54
Tensile Strength: Ultimate (UTS), MPa 680
710

Thermal Properties

Curie Temperature, °C 430
350
Melting Onset (Solidus), °C 1450
1440
Specific Heat Capacity, J/kg-K 460
500
Thermal Conductivity, W/m-K 17
15
Thermal Expansion, µm/m-K 6.0
5.0

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.7
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 4.0
3.0

Otherwise Unclassified Properties

Density, g/cm3 8.3
8.2

Common Calculations

Stiffness to Weight: Axial, points 13
9.8
Stiffness to Weight: Bending, points 23
21
Strength to Weight: Axial, points 23
24
Strength to Weight: Bending, points 21
22
Thermal Diffusivity, mm2/s 4.5
3.7
Thermal Shock Resistance, points 42
70