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ASTM Grade HK Steel vs. N07041 Nickel

ASTM grade HK steel belongs to the iron alloys classification, while N07041 nickel belongs to the nickel alloys. There are 18 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is ASTM grade HK steel and the bottom bar is N07041 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
220
Elongation at Break, % 11
14
Fatigue Strength, MPa 150
540
Tensile Strength: Ultimate (UTS), MPa 500
1400
Tensile Strength: Yield (Proof), MPa 270
1050

Thermal Properties

Melting Onset (Solidus), °C 1350
1320
Specific Heat Capacity, J/kg-K 480
450
Thermal Conductivity, W/m-K 15
11
Thermal Expansion, µm/m-K 17
12

Otherwise Unclassified Properties

Density, g/cm3 7.8
8.2

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 48
180
Resilience: Unit (Modulus of Resilience), kJ/m3 190
2510
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
47
Strength to Weight: Bending, points 18
34
Thermal Diffusivity, mm2/s 3.9
3.0
Thermal Shock Resistance, points 11
38