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ASTM Grade HF Steel vs. Grade M35-2 Nickel

ASTM grade HF steel belongs to the iron alloys classification, while grade M35-2 nickel belongs to the nickel alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is ASTM grade HF steel and the bottom bar is grade M35-2 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
160
Elongation at Break, % 29
28
Fatigue Strength, MPa 200
160
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 77
62
Tensile Strength: Ultimate (UTS), MPa 550
500
Tensile Strength: Yield (Proof), MPa 270
230

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Mechanical, °C 1000
900
Melting Completion (Liquidus), °C 1410
1280
Melting Onset (Solidus), °C 1370
1230
Specific Heat Capacity, J/kg-K 480
430
Thermal Conductivity, W/m-K 16
22
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
3.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 17
55
Density, g/cm3 7.7
8.8
Embodied Carbon, kg CO2/kg material 3.2
8.1
Embodied Energy, MJ/kg 46
110
Embodied Water, L/kg 150
250

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
120
Resilience: Unit (Modulus of Resilience), kJ/m3 180
170
Stiffness to Weight: Axial, points 14
10
Stiffness to Weight: Bending, points 25
21
Strength to Weight: Axial, points 20
16
Strength to Weight: Bending, points 19
16
Thermal Diffusivity, mm2/s 4.2
5.7
Thermal Shock Resistance, points 12
17

Alloy Composition

Carbon (C), % 0.2 to 0.4
0 to 0.35
Chromium (Cr), % 18 to 23
0
Copper (Cu), % 0
26 to 33
Iron (Fe), % 60 to 73.8
0 to 3.5
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 8.0 to 12
59.1 to 74
Niobium (Nb), % 0
0 to 0.5
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 2.0
0 to 2.0
Sulfur (S), % 0 to 0.040
0 to 0.030