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SAE-AISI H22 Steel vs. AWS ERNiCu-7

SAE-AISI H22 steel belongs to the iron alloys classification, while AWS ERNiCu-7 belongs to the nickel alloys. There are 21 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 SAE-AISI H22 steel and the bottom bar is AWS ERNiCu-7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
160
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 77
61
Tensile Strength: Ultimate (UTS), MPa 700 to 1920
550

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Melting Completion (Liquidus), °C 1670
1280
Melting Onset (Solidus), °C 1620
1240
Specific Heat Capacity, J/kg-K 440
440
Thermal Conductivity, W/m-K 31
20
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 28
50
Density, g/cm3 8.7
8.7
Embodied Carbon, kg CO2/kg material 4.9
8.5
Embodied Energy, MJ/kg 73
120
Embodied Water, L/kg 72
250

Common Calculations

Stiffness to Weight: Axial, points 13
10
Stiffness to Weight: Bending, points 22
21
Strength to Weight: Axial, points 22 to 61
18
Strength to Weight: Bending, points 20 to 39
17
Thermal Diffusivity, mm2/s 8.2
5.3
Thermal Shock Resistance, points 22 to 60
19

Alloy Composition

Aluminum (Al), % 0
0 to 1.3
Carbon (C), % 0.3 to 0.4
0 to 0.15
Chromium (Cr), % 1.8 to 3.8
0
Copper (Cu), % 0 to 0.25
18.3 to 36.5
Iron (Fe), % 82.2 to 87.4
0 to 2.5
Manganese (Mn), % 0.15 to 0.4
0 to 4.0
Nickel (Ni), % 0 to 0.3
62 to 69
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.15 to 0.4
0 to 1.3
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
1.5 to 3.0
Tungsten (W), % 10 to 11.8
0
Vanadium (V), % 0.25 to 0.5
0
Residuals, % 0
0 to 0.5