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ASTM A27 Cast Steel vs. Nickel 825

ASTM A27 cast steel belongs to the iron alloys classification, while nickel 825 belongs to the nickel alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, 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 825.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 25 to 27
34
Fatigue Strength, MPa 170 to 230
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
78
Tensile Strength: Ultimate (UTS), MPa 460 to 550
650
Tensile Strength: Yield (Proof), MPa 230 to 310
260

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 400
980
Melting Completion (Liquidus), °C 1460
1400
Melting Onset (Solidus), °C 1420
1370
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 52
11
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
1.7

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
41
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 1.4
7.2
Embodied Energy, MJ/kg 18
100
Embodied Water, L/kg 45 to 46
230

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 96 to 120
180
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 260
170
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 16 to 20
22
Strength to Weight: Bending, points 17 to 19
20
Thermal Diffusivity, mm2/s 14
2.9
Thermal Shock Resistance, points 15 to 18
17