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Nickel 625 vs. SAE-AISI H42 Steel

Nickel 625 belongs to the nickel alloys classification, while SAE-AISI H42 steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is nickel 625 and the bottom bar is SAE-AISI H42 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 79
77
Tensile Strength: Ultimate (UTS), MPa 790 to 910
700 to 1980

Thermal Properties

Latent Heat of Fusion, J/g 330
260
Melting Completion (Liquidus), °C 1350
1620
Melting Onset (Solidus), °C 1290
1570
Specific Heat Capacity, J/kg-K 440
440
Thermal Conductivity, W/m-K 11
24
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 80
24
Density, g/cm3 8.6
8.4
Embodied Carbon, kg CO2/kg material 14
8.8
Embodied Energy, MJ/kg 190
130
Embodied Water, L/kg 290
98

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 26 to 29
23 to 65
Strength to Weight: Bending, points 22 to 24
21 to 42
Thermal Diffusivity, mm2/s 2.9
6.5
Thermal Shock Resistance, points 22 to 25
20 to 57

Alloy Composition

Aluminum (Al), % 0 to 0.4
0
Carbon (C), % 0 to 0.1
0.55 to 0.7
Chromium (Cr), % 20 to 23
3.8 to 4.5
Cobalt (Co), % 0 to 1.0
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 0 to 5.0
79.3 to 83.8
Manganese (Mn), % 0 to 0.5
0.15 to 0.4
Molybdenum (Mo), % 8.0 to 10
4.5 to 5.5
Nickel (Ni), % 58 to 68.9
0 to 0.3
Niobium (Nb), % 3.2 to 4.2
0
Phosphorus (P), % 0 to 0.015
0 to 0.030
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0 to 0.4
0
Tungsten (W), % 0
5.5 to 6.8
Vanadium (V), % 0
1.8 to 2.2

Comparable Variants