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ASTM Grade HN Steel vs. SAE-AISI F1 Steel

Both ASTM grade HN steel and SAE-AISI F1 steel are iron alloys. They have 52% 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 F1 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
72
Tensile Strength: Ultimate (UTS), MPa 500
620 to 2320

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Melting Completion (Liquidus), °C 1400
1480
Melting Onset (Solidus), °C 1350
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 13
45
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 26
5.0
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 4.6
1.7
Embodied Energy, MJ/kg 66
24
Embodied Water, L/kg 180
46

Common Calculations

PREN (Pitting Resistance) 22
2.3
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 17
22 to 82
Strength to Weight: Bending, points 18
20 to 49
Thermal Diffusivity, mm2/s 3.5
12
Thermal Shock Resistance, points 11
19 to 70

Alloy Composition

Carbon (C), % 0.2 to 0.5
1.0 to 1.3
Chromium (Cr), % 19 to 23
0
Iron (Fe), % 44.9 to 57.8
95.9 to 98
Manganese (Mn), % 0 to 2.0
0 to 0.5
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 23 to 27
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 2.0
0.1 to 0.5
Sulfur (S), % 0 to 0.040
0 to 0.030
Tungsten (W), % 0
1.0 to 1.8