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Nickel 30 vs. ASTM Grade HH Steel

Nickel 30 belongs to the nickel alloys classification, while ASTM grade HH steel belongs to the iron alloys. They have 54% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is nickel 30 and the bottom bar is ASTM grade HH steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 34
11
Fatigue Strength, MPa 200
150
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 82
79
Tensile Strength: Ultimate (UTS), MPa 660
580
Tensile Strength: Yield (Proof), MPa 270
270

Thermal Properties

Latent Heat of Fusion, J/g 320
310
Maximum Temperature: Mechanical, °C 1020
1100
Melting Completion (Liquidus), °C 1480
1400
Melting Onset (Solidus), °C 1430
1360
Specific Heat Capacity, J/kg-K 450
480
Thermal Conductivity, W/m-K 10
14
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 1.6
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 60
20
Density, g/cm3 8.5
7.7
Embodied Carbon, kg CO2/kg material 9.4
3.7
Embodied Energy, MJ/kg 130
53
Embodied Water, L/kg 290
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
53
Resilience: Unit (Modulus of Resilience), kJ/m3 180
190
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 22
21
Strength to Weight: Bending, points 20
20
Thermal Diffusivity, mm2/s 2.7
3.8
Thermal Shock Resistance, points 18
12

Alloy Composition

Carbon (C), % 0 to 0.030
0.2 to 0.5
Chromium (Cr), % 28 to 31.5
24 to 28
Cobalt (Co), % 0 to 5.0
0
Copper (Cu), % 1.0 to 2.4
0
Iron (Fe), % 13 to 17
52.9 to 64.8
Manganese (Mn), % 0 to 0.030
0 to 2.0
Molybdenum (Mo), % 4.0 to 6.0
0 to 0.5
Nickel (Ni), % 30.2 to 52.2
11 to 14
Niobium (Nb), % 0.3 to 1.5
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.8
0 to 2.0
Sulfur (S), % 0 to 0.020
0 to 0.040
Tungsten (W), % 1.5 to 4.0
0