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ASTM Grade HK Steel vs. EN 2.4878 Nickel

ASTM grade HK steel belongs to the iron alloys classification, while EN 2.4878 nickel belongs to the nickel alloys. They have 45% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is ASTM grade HK steel and the bottom bar is EN 2.4878 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 11
13 to 17
Fatigue Strength, MPa 150
400 to 410
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 79
78
Tensile Strength: Ultimate (UTS), MPa 500
1210 to 1250
Tensile Strength: Yield (Proof), MPa 270
740 to 780

Thermal Properties

Latent Heat of Fusion, J/g 310
330
Maximum Temperature: Mechanical, °C 1100
1030
Melting Completion (Liquidus), °C 1400
1370
Melting Onset (Solidus), °C 1350
1320
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 15
11
Thermal Expansion, µm/m-K 17
12

Otherwise Unclassified Properties

Base Metal Price, % relative 25
80
Density, g/cm3 7.8
8.3
Embodied Carbon, kg CO2/kg material 4.4
10
Embodied Energy, MJ/kg 63
150
Embodied Water, L/kg 200
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 48
150 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 190
1370 to 1540
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
41 to 42
Strength to Weight: Bending, points 18
31
Thermal Diffusivity, mm2/s 3.9
2.8
Thermal Shock Resistance, points 11
37 to 39

Alloy Composition

Aluminum (Al), % 0
1.2 to 1.6
Boron (B), % 0
0.010 to 0.015
Carbon (C), % 0.2 to 0.6
0.030 to 0.070
Chromium (Cr), % 24 to 28
23 to 25
Cobalt (Co), % 0
19 to 21
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 44.8 to 57.8
0 to 1.0
Manganese (Mn), % 0 to 2.0
0 to 0.5
Molybdenum (Mo), % 0 to 0.5
1.0 to 2.0
Nickel (Ni), % 18 to 22
43.6 to 52.2
Niobium (Nb), % 0
0.7 to 1.2
Phosphorus (P), % 0 to 0.040
0 to 0.010
Silicon (Si), % 0 to 2.0
0 to 0.5
Sulfur (S), % 0 to 0.040
0 to 0.0070
Tantalum (Ta), % 0
0 to 0.050
Titanium (Ti), % 0
2.8 to 3.2
Zirconium (Zr), % 0
0.030 to 0.070