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SAE-AISI H42 Steel vs. Nickel 725

SAE-AISI H42 steel belongs to the iron alloys classification, while nickel 725 belongs to the nickel alloys. There are 19 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H42 steel and the bottom bar is nickel 725.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 77
78
Tensile Strength: Ultimate (UTS), MPa 700 to 1980
860

Thermal Properties

Latent Heat of Fusion, J/g 260
320
Melting Completion (Liquidus), °C 1620
1340
Melting Onset (Solidus), °C 1570
1270
Specific Heat Capacity, J/kg-K 440
440
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 24
75
Density, g/cm3 8.4
8.5
Embodied Carbon, kg CO2/kg material 8.8
13
Embodied Energy, MJ/kg 130
190
Embodied Water, L/kg 98
270

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 23 to 65
28
Strength to Weight: Bending, points 21 to 42
24
Thermal Shock Resistance, points 20 to 57
23

Alloy Composition

Aluminum (Al), % 0
0 to 0.35
Carbon (C), % 0.55 to 0.7
0 to 0.030
Chromium (Cr), % 3.8 to 4.5
19 to 22.5
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 79.3 to 83.8
2.3 to 15.3
Manganese (Mn), % 0.15 to 0.4
0 to 0.35
Molybdenum (Mo), % 4.5 to 5.5
7.0 to 9.5
Nickel (Ni), % 0 to 0.3
55 to 59
Niobium (Nb), % 0
2.8 to 4.0
Phosphorus (P), % 0 to 0.030
0 to 0.015
Silicon (Si), % 0
0 to 0.2
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
1.0 to 1.7
Tungsten (W), % 5.5 to 6.8
0
Vanadium (V), % 1.8 to 2.2
0