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SAE-AISI H14 Steel vs. AWS ERNiCu-7

SAE-AISI H14 steel belongs to the iron alloys classification, while AWS ERNiCu-7 belongs to the nickel alloys. There are 23 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 SAE-AISI H14 steel and the bottom bar is AWS ERNiCu-7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
160
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 75
61
Tensile Strength: Ultimate (UTS), MPa 710 to 2030
550

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Melting Completion (Liquidus), °C 1530
1280
Melting Onset (Solidus), °C 1490
1240
Specific Heat Capacity, J/kg-K 460
440
Thermal Conductivity, W/m-K 35
20
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.3
3.2
Electrical Conductivity: Equal Weight (Specific), % IACS 10
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 15
50
Density, g/cm3 8.1
8.7
Embodied Carbon, kg CO2/kg material 2.7
8.5
Embodied Energy, MJ/kg 39
120
Embodied Water, L/kg 73
250

Common Calculations

Stiffness to Weight: Axial, points 13
10
Stiffness to Weight: Bending, points 24
21
Strength to Weight: Axial, points 24 to 69
18
Strength to Weight: Bending, points 22 to 44
17
Thermal Diffusivity, mm2/s 9.3
5.3
Thermal Shock Resistance, points 24 to 68
19

Alloy Composition

Aluminum (Al), % 0
0 to 1.3
Carbon (C), % 0.35 to 0.45
0 to 0.15
Chromium (Cr), % 4.8 to 5.5
0
Copper (Cu), % 0 to 0.25
18.3 to 36.5
Iron (Fe), % 86.5 to 89.9
0 to 2.5
Manganese (Mn), % 0.2 to 0.5
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), % 0.8 to 1.2
0 to 1.3
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
1.5 to 3.0
Tungsten (W), % 4.0 to 5.3
0
Residuals, % 0
0 to 0.5