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ASTM Grade HD Steel vs. Grade CW2M Nickel

ASTM grade HD steel belongs to the iron alloys classification, while grade CW2M nickel belongs to the nickel alloys. They have a modest 24% of their average alloy composition in common, which, by itself, doesn't mean much. There are 25 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 HD 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, % 9.1
23
Fatigue Strength, MPa 140
190
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
83
Tensile Strength: Ultimate (UTS), MPa 590
560
Tensile Strength: Yield (Proof), MPa 270
310

Thermal Properties

Latent Heat of Fusion, J/g 310
330
Maximum Temperature: Mechanical, °C 1100
960
Melting Completion (Liquidus), °C 1410
1520
Melting Onset (Solidus), °C 1370
1460
Specific Heat Capacity, J/kg-K 490
430
Thermal Expansion, µm/m-K 11
12

Otherwise Unclassified Properties

Base Metal Price, % relative 17
70
Density, g/cm3 7.7
8.8
Embodied Carbon, kg CO2/kg material 3.1
12
Embodied Energy, MJ/kg 45
170
Embodied Water, L/kg 180
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 44
110
Resilience: Unit (Modulus of Resilience), kJ/m3 180
220
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 26
23
Strength to Weight: Axial, points 21
18
Strength to Weight: Bending, points 20
17
Thermal Shock Resistance, points 19
16

Alloy Composition

Carbon (C), % 0 to 0.5
0 to 0.020
Chromium (Cr), % 26 to 30
15 to 17.5
Iron (Fe), % 58.4 to 70
0 to 2.0
Manganese (Mn), % 0 to 1.5
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
15 to 17.5
Nickel (Ni), % 4.0 to 7.0
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