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Nickel 685 vs. ASTM A148 Cast Steel

Nickel 685 belongs to the nickel alloys classification, while ASTM A148 cast 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 A148 cast steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 350
190 to 390
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
5.7 to 25
Fatigue Strength, MPa 470
280 to 670
Poisson's Ratio 0.29
0.29
Reduction in Area, % 20
13 to 45
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 1250
630 to 1300
Tensile Strength: Yield (Proof), MPa 850
390 to 1160

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Maximum Temperature: Mechanical, °C 1000
400 to 430
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
37 to 47
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 75
2.3 to 3.3
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 10
1.5 to 1.7
Embodied Energy, MJ/kg 140
20 to 22
Embodied Water, L/kg 340
48 to 53

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
71 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 1820
400 to 3570
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 42
22 to 46
Strength to Weight: Bending, points 31
21 to 34
Thermal Diffusivity, mm2/s 3.3
9.9 to 13
Thermal Shock Resistance, points 37
18 to 38