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Nickel 686 vs. ASTM A27 Cast Steel

Nickel 686 belongs to the nickel alloys classification, while ASTM A27 cast steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is nickel 686 and the bottom bar is ASTM A27 cast steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
190
Elongation at Break, % 51
25 to 27
Fatigue Strength, MPa 410
170 to 230
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 780
460 to 550
Tensile Strength: Yield (Proof), MPa 350
230 to 310

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Maximum Temperature: Mechanical, °C 980
400
Melting Completion (Liquidus), °C 1380
1460
Melting Onset (Solidus), °C 1340
1420
Specific Heat Capacity, J/kg-K 420
470
Thermal Conductivity, W/m-K 9.8
52
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
7.0 to 7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 1.4
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 70
1.8
Density, g/cm3 9.0
7.8
Embodied Carbon, kg CO2/kg material 12
1.4
Embodied Energy, MJ/kg 170
18
Embodied Water, L/kg 300
45 to 46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 320
96 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 280
140 to 260
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 24
16 to 20
Strength to Weight: Bending, points 21
17 to 19
Thermal Diffusivity, mm2/s 2.6
14
Thermal Shock Resistance, points 21
15 to 18