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EN 1.7239 Steel vs. Grade M30H Nickel

EN 1.7239 steel belongs to the iron alloys classification, while grade M30H nickel belongs to the nickel alloys. There are 24 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.7239 steel and the bottom bar is grade M30H nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
160
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 73
61
Tensile Strength: Ultimate (UTS), MPa 660 to 1990
770

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Maximum Temperature: Mechanical, °C 420
900
Melting Completion (Liquidus), °C 1460
1250
Melting Onset (Solidus), °C 1410
1200
Specific Heat Capacity, J/kg-K 470
440
Thermal Conductivity, W/m-K 44
22
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
3.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
3.4

Otherwise Unclassified Properties

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

Common Calculations

Stiffness to Weight: Axial, points 13
10
Stiffness to Weight: Bending, points 24
21
Strength to Weight: Axial, points 23 to 71
25
Strength to Weight: Bending, points 21 to 45
22
Thermal Diffusivity, mm2/s 12
5.7
Thermal Shock Resistance, points 19 to 59
27

Alloy Composition

Carbon (C), % 0.56 to 0.64
0 to 0.3
Chromium (Cr), % 0.7 to 1.0
0
Copper (Cu), % 0
27 to 33
Iron (Fe), % 96.8 to 98
0 to 3.5
Manganese (Mn), % 0.7 to 1.0
0 to 1.5
Molybdenum (Mo), % 0.060 to 0.15
0
Nickel (Ni), % 0
57.9 to 70.3
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.4
2.7 to 3.7
Sulfur (S), % 0 to 0.025
0 to 0.030