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N10665 Nickel vs. ASTM A387 Grade 21 Steel

N10665 nickel belongs to the nickel alloys classification, while ASTM A387 grade 21 steel belongs to the iron 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 N10665 nickel and the bottom bar is ASTM A387 grade 21 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
190
Elongation at Break, % 45
21
Fatigue Strength, MPa 340
160 to 250
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 84
74
Shear Strength, MPa 600
310 to 370
Tensile Strength: Ultimate (UTS), MPa 860
500 to 590
Tensile Strength: Yield (Proof), MPa 400
230 to 350

Thermal Properties

Latent Heat of Fusion, J/g 310
260
Maximum Temperature: Mechanical, °C 900
480
Melting Completion (Liquidus), °C 1620
1470
Melting Onset (Solidus), °C 1570
1430
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 11
41
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.3
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 1.2
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 75
4.1
Density, g/cm3 9.3
7.9
Embodied Carbon, kg CO2/kg material 15
1.8
Embodied Energy, MJ/kg 200
23
Embodied Water, L/kg 270
62

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 320
84 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 360
140 to 320
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 26
18 to 21
Strength to Weight: Bending, points 22
18 to 20
Thermal Diffusivity, mm2/s 3.1
11
Thermal Shock Resistance, points 27
14 to 17

Alloy Composition

Carbon (C), % 0 to 0.020
0.050 to 0.15
Chromium (Cr), % 0 to 1.0
2.8 to 3.3
Cobalt (Co), % 0 to 1.0
0
Iron (Fe), % 0 to 2.0
94.4 to 96
Manganese (Mn), % 0 to 1.0
0.3 to 0.6
Molybdenum (Mo), % 26 to 30
0.9 to 1.1
Nickel (Ni), % 64.8 to 74
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 0.1
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.025