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ASTM A387 Grade 9 Steel vs. N10665 Nickel

ASTM A387 grade 9 steel belongs to the iron alloys classification, while N10665 nickel belongs to the nickel alloys. There are 30 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 A387 grade 9 steel and the bottom bar is N10665 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
220
Elongation at Break, % 20 to 21
45
Fatigue Strength, MPa 160 to 240
340
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 75
84
Shear Strength, MPa 310 to 380
600
Tensile Strength: Ultimate (UTS), MPa 500 to 600
860
Tensile Strength: Yield (Proof), MPa 230 to 350
400

Thermal Properties

Latent Heat of Fusion, J/g 270
310
Maximum Temperature: Mechanical, °C 600
900
Melting Completion (Liquidus), °C 1460
1620
Melting Onset (Solidus), °C 1410
1570
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 26
11
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
1.3
Electrical Conductivity: Equal Weight (Specific), % IACS 10
1.2

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
75
Density, g/cm3 7.8
9.3
Embodied Carbon, kg CO2/kg material 2.1
15
Embodied Energy, MJ/kg 28
200
Embodied Water, L/kg 87
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83 to 110
320
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 310
360
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 18 to 21
26
Strength to Weight: Bending, points 18 to 20
22
Thermal Diffusivity, mm2/s 6.9
3.1
Thermal Shock Resistance, points 14 to 17
27

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.020
Chromium (Cr), % 8.0 to 10
0 to 1.0
Cobalt (Co), % 0
0 to 1.0
Iron (Fe), % 87.1 to 90.8
0 to 2.0
Manganese (Mn), % 0.3 to 0.6
0 to 1.0
Molybdenum (Mo), % 0.9 to 1.1
26 to 30
Nickel (Ni), % 0
64.8 to 74
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.1
Sulfur (S), % 0 to 0.025
0 to 0.030
Vanadium (V), % 0 to 0.040
0