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ASTM Grade HD Steel vs. Nickel 690

ASTM grade HD steel belongs to the iron alloys classification, while nickel 690 belongs to the nickel alloys. They have 43% 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 ASTM grade HD steel and the bottom bar is nickel 690.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 9.1
3.4 to 34
Fatigue Strength, MPa 140
180 to 300
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
79
Tensile Strength: Ultimate (UTS), MPa 590
640 to 990
Tensile Strength: Yield (Proof), MPa 270
250 to 760

Thermal Properties

Latent Heat of Fusion, J/g 310
320
Maximum Temperature: Mechanical, °C 1100
1010
Melting Completion (Liquidus), °C 1410
1380
Melting Onset (Solidus), °C 1370
1340
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 16
14
Thermal Expansion, µm/m-K 11
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 17
50
Density, g/cm3 7.7
8.3
Embodied Carbon, kg CO2/kg material 3.1
8.2
Embodied Energy, MJ/kg 45
120
Embodied Water, L/kg 180
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 44
31 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 180
160 to 1440
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 26
24
Strength to Weight: Axial, points 21
21 to 33
Strength to Weight: Bending, points 20
20 to 27
Thermal Diffusivity, mm2/s 4.3
3.5
Thermal Shock Resistance, points 19
16 to 25

Alloy Composition

Carbon (C), % 0 to 0.5
0 to 0.050
Chromium (Cr), % 26 to 30
27 to 31
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 58.4 to 70
7.0 to 11
Manganese (Mn), % 0 to 1.5
0 to 0.5
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 4.0 to 7.0
58 to 66
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 2.0
0 to 0.5
Sulfur (S), % 0 to 0.040
0 to 0.015