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Nickel 690 vs. ASTM A299 Steel

Nickel 690 belongs to the nickel alloys classification, while ASTM A299 steel belongs to the iron alloys.

For each property being compared, the top bar is nickel 690 and the bottom bar is ASTM A299 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 90
180 to 190
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 3.4 to 34
21 to 22
Fatigue Strength, MPa 180 to 300
230 to 250
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
73
Shear Strength, MPa 420 to 570
370 to 390
Tensile Strength: Ultimate (UTS), MPa 640 to 990
590 to 620
Tensile Strength: Yield (Proof), MPa 250 to 760
330 to 360

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Maximum Temperature: Mechanical, °C 1010
400
Melting Completion (Liquidus), °C 1380
1460
Melting Onset (Solidus), °C 1340
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 14
51
Thermal Expansion, µm/m-K 14
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 1.6
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 50
1.9
Density, g/cm3 8.3
7.8
Embodied Carbon, kg CO2/kg material 8.2
1.4
Embodied Energy, MJ/kg 120
19
Embodied Water, L/kg 290
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31 to 170
110
Resilience: Unit (Modulus of Resilience), kJ/m3 160 to 1440
290 to 350
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21 to 33
21 to 22
Strength to Weight: Bending, points 20 to 27
20 to 21
Thermal Diffusivity, mm2/s 3.5
14
Thermal Shock Resistance, points 16 to 25
17 to 18

Comparable Variants