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Nickel 685 vs. ASTM A299 Steel

Nickel 685 belongs to the nickel alloys classification, while ASTM A299 steel belongs to the iron alloys. There are 29 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 nickel 685 and the bottom bar is ASTM A299 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 350
180 to 190
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
21 to 22
Fatigue Strength, MPa 470
230 to 250
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 770
370 to 390
Tensile Strength: Ultimate (UTS), MPa 1250
590 to 620
Tensile Strength: Yield (Proof), MPa 850
330 to 360

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Maximum Temperature: Mechanical, °C 1000
400
Melting Completion (Liquidus), °C 1380
1460
Melting Onset (Solidus), °C 1330
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 13
51
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 75
1.9
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 10
1.4
Embodied Energy, MJ/kg 140
19
Embodied Water, L/kg 340
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
110
Resilience: Unit (Modulus of Resilience), kJ/m3 1820
290 to 350
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 42
21 to 22
Strength to Weight: Bending, points 31
20 to 21
Thermal Diffusivity, mm2/s 3.3
14
Thermal Shock Resistance, points 37
17 to 18