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SAE-AISI H14 Steel vs. ASTM Grade HE Steel

Both SAE-AISI H14 steel and ASTM grade HE steel are iron alloys. They have 67% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H14 steel and the bottom bar is ASTM grade HE steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 75
79
Tensile Strength: Ultimate (UTS), MPa 710 to 2030
670

Thermal Properties

Latent Heat of Fusion, J/g 270
310
Melting Completion (Liquidus), °C 1530
1400
Melting Onset (Solidus), °C 1490
1360
Specific Heat Capacity, J/kg-K 460
490
Thermal Conductivity, W/m-K 35
14
Thermal Expansion, µm/m-K 11
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.3
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 10
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 15
19
Density, g/cm3 8.1
7.7
Embodied Carbon, kg CO2/kg material 2.7
3.5
Embodied Energy, MJ/kg 39
50
Embodied Water, L/kg 73
190

Common Calculations

PREN (Pitting Resistance) 13
29
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24 to 69
24
Strength to Weight: Bending, points 22 to 44
22
Thermal Diffusivity, mm2/s 9.3
3.6
Thermal Shock Resistance, points 24 to 68
14

Alloy Composition

Carbon (C), % 0.35 to 0.45
0.2 to 0.5
Chromium (Cr), % 4.8 to 5.5
26 to 30
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 86.5 to 89.9
53.9 to 65.8
Manganese (Mn), % 0.2 to 0.5
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0 to 0.3
8.0 to 11
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.8 to 1.2
0 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.040
Tungsten (W), % 4.0 to 5.3
0