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ASTM Grade HI Steel vs. N06007 Nickel

ASTM grade HI steel belongs to the iron alloys classification, while N06007 nickel belongs to the nickel alloys. They have 60% 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 HI steel and the bottom bar is N06007 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 11
38
Fatigue Strength, MPa 150
330
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 79
79
Tensile Strength: Ultimate (UTS), MPa 550
690
Tensile Strength: Yield (Proof), MPa 270
260

Thermal Properties

Latent Heat of Fusion, J/g 310
320
Maximum Temperature: Mechanical, °C 1100
990
Melting Completion (Liquidus), °C 1400
1340
Melting Onset (Solidus), °C 1350
1260
Specific Heat Capacity, J/kg-K 490
450
Thermal Conductivity, W/m-K 15
10
Thermal Expansion, µm/m-K 17
14

Otherwise Unclassified Properties

Base Metal Price, % relative 23
60
Density, g/cm3 7.8
8.4
Embodied Carbon, kg CO2/kg material 4.1
10
Embodied Energy, MJ/kg 59
140
Embodied Water, L/kg 200
260

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 52
200
Resilience: Unit (Modulus of Resilience), kJ/m3 180
170
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 20
23
Strength to Weight: Bending, points 19
21
Thermal Diffusivity, mm2/s 3.9
2.7
Thermal Shock Resistance, points 12
18

Alloy Composition

Carbon (C), % 0.2 to 0.5
0 to 0.050
Chromium (Cr), % 26 to 30
21 to 23.5
Cobalt (Co), % 0
0 to 2.5
Copper (Cu), % 0
1.5 to 2.5
Iron (Fe), % 46.9 to 59.8
18 to 21
Manganese (Mn), % 0 to 2.0
1.0 to 2.0
Molybdenum (Mo), % 0 to 0.5
5.5 to 7.5
Nickel (Ni), % 14 to 18
36.1 to 51.1
Niobium (Nb), % 0
1.8 to 2.5
Nitrogen (N), % 0
0.15 to 0.25
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 2.0
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.030
Tungsten (W), % 0
0 to 1.0