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ASTM Grade HN Steel vs. SAE-AISI H14 Steel

Both ASTM grade HN steel and SAE-AISI H14 steel are iron alloys. They have 58% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

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

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
75
Tensile Strength: Ultimate (UTS), MPa 500
710 to 2030

Thermal Properties

Latent Heat of Fusion, J/g 310
270
Melting Completion (Liquidus), °C 1400
1530
Melting Onset (Solidus), °C 1350
1490
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 13
35
Thermal Expansion, µm/m-K 16
11

Otherwise Unclassified Properties

Base Metal Price, % relative 26
15
Density, g/cm3 7.9
8.1
Embodied Carbon, kg CO2/kg material 4.6
2.7
Embodied Energy, MJ/kg 66
39
Embodied Water, L/kg 180
73

Common Calculations

PREN (Pitting Resistance) 22
13
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 17
24 to 69
Strength to Weight: Bending, points 18
22 to 44
Thermal Diffusivity, mm2/s 3.5
9.3
Thermal Shock Resistance, points 11
24 to 68

Alloy Composition

Carbon (C), % 0.2 to 0.5
0.35 to 0.45
Chromium (Cr), % 19 to 23
4.8 to 5.5
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 44.9 to 57.8
86.5 to 89.9
Manganese (Mn), % 0 to 2.0
0.2 to 0.5
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 23 to 27
0 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 2.0
0.8 to 1.2
Sulfur (S), % 0 to 0.040
0 to 0.030
Tungsten (W), % 0
4.0 to 5.3