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ASTM Grade HN Steel vs. Grade CW2M Nickel

ASTM grade HN steel belongs to the iron alloys classification, while grade CW2M nickel belongs to the nickel alloys. They have 43% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is ASTM grade HN steel and the bottom bar is grade CW2M nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 9.0
23
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
83
Tensile Strength: Ultimate (UTS), MPa 500
560

Thermal Properties

Latent Heat of Fusion, J/g 310
330
Maximum Temperature: Mechanical, °C 1080
960
Melting Completion (Liquidus), °C 1400
1520
Melting Onset (Solidus), °C 1350
1460
Specific Heat Capacity, J/kg-K 480
430
Thermal Expansion, µm/m-K 16
12

Otherwise Unclassified Properties

Base Metal Price, % relative 26
70
Density, g/cm3 7.9
8.8
Embodied Carbon, kg CO2/kg material 4.6
12
Embodied Energy, MJ/kg 66
170
Embodied Water, L/kg 180
290

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 17
18
Strength to Weight: Bending, points 18
17
Thermal Shock Resistance, points 11
16

Alloy Composition

Carbon (C), % 0.2 to 0.5
0 to 0.020
Chromium (Cr), % 19 to 23
15 to 17.5
Iron (Fe), % 44.9 to 57.8
0 to 2.0
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
15 to 17.5
Nickel (Ni), % 23 to 27
60.1 to 70
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 2.0
0 to 0.8
Sulfur (S), % 0 to 0.040
0 to 0.030
Tungsten (W), % 0
0 to 1.0