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ASTM A27 Cast Steel vs. Nickel 690

ASTM A27 cast steel belongs to the iron alloys classification, while nickel 690 belongs to the nickel 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 ASTM A27 cast steel and the bottom bar is nickel 690.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 25 to 27
3.4 to 34
Fatigue Strength, MPa 170 to 230
180 to 300
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
79
Tensile Strength: Ultimate (UTS), MPa 460 to 550
640 to 990
Tensile Strength: Yield (Proof), MPa 230 to 310
250 to 760

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Maximum Temperature: Mechanical, °C 400
1010
Melting Completion (Liquidus), °C 1460
1380
Melting Onset (Solidus), °C 1420
1340
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 52
14
Thermal Expansion, µm/m-K 12
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0 to 7.1
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
50
Density, g/cm3 7.8
8.3
Embodied Carbon, kg CO2/kg material 1.4
8.2
Embodied Energy, MJ/kg 18
120
Embodied Water, L/kg 45 to 46
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 96 to 120
31 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 260
160 to 1440
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 16 to 20
21 to 33
Strength to Weight: Bending, points 17 to 19
20 to 27
Thermal Diffusivity, mm2/s 14
3.5
Thermal Shock Resistance, points 15 to 18
16 to 25