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ASTM A148 Cast Steel vs. Grade M30H Nickel

ASTM A148 cast steel belongs to the iron alloys classification, while grade M30H nickel belongs to the nickel 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 ASTM A148 cast steel and the bottom bar is grade M30H nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
160
Elongation at Break, % 5.7 to 25
11
Fatigue Strength, MPa 280 to 670
230
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 73
61
Tensile Strength: Ultimate (UTS), MPa 630 to 1300
770
Tensile Strength: Yield (Proof), MPa 390 to 1160
470

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Maximum Temperature: Mechanical, °C 400 to 430
900
Melting Completion (Liquidus), °C 1460
1250
Melting Onset (Solidus), °C 1420
1200
Specific Heat Capacity, J/kg-K 470
440
Thermal Conductivity, W/m-K 37 to 47
22
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3 to 7.5
3.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3 to 8.6
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3 to 3.3
50
Density, g/cm3 7.8
8.6
Embodied Carbon, kg CO2/kg material 1.5 to 1.7
7.7
Embodied Energy, MJ/kg 20 to 22
110
Embodied Water, L/kg 48 to 53
250

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 150
75
Resilience: Unit (Modulus of Resilience), kJ/m3 400 to 3570
700
Stiffness to Weight: Axial, points 13
10
Stiffness to Weight: Bending, points 24
21
Strength to Weight: Axial, points 22 to 46
25
Strength to Weight: Bending, points 21 to 34
22
Thermal Diffusivity, mm2/s 9.9 to 13
5.7
Thermal Shock Resistance, points 18 to 38
27