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ASTM Grade HN Steel vs. SAE-AISI A10 Steel

Both ASTM grade HN steel and SAE-AISI A10 steel are iron alloys. They have 56% 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 A10 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
810 to 2040

Thermal Properties

Latent Heat of Fusion, J/g 310
270
Melting Completion (Liquidus), °C 1400
1440
Melting Onset (Solidus), °C 1350
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 13
40
Thermal Expansion, µm/m-K 16
12

Otherwise Unclassified Properties

Base Metal Price, % relative 26
5.0
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.6
2.1
Embodied Energy, MJ/kg 66
27
Embodied Water, L/kg 180
56

Common Calculations

PREN (Pitting Resistance) 22
5.1
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 17
29 to 73
Strength to Weight: Bending, points 18
25 to 46
Thermal Diffusivity, mm2/s 3.5
11
Thermal Shock Resistance, points 11
27 to 68

Alloy Composition

Carbon (C), % 0.2 to 0.5
1.3 to 1.5
Chromium (Cr), % 19 to 23
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 44.9 to 57.8
90.8 to 93.4
Manganese (Mn), % 0 to 2.0
1.6 to 2.1
Molybdenum (Mo), % 0 to 0.5
1.3 to 1.8
Nickel (Ni), % 23 to 27
1.6 to 2.1
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 2.0
1.0 to 1.5
Sulfur (S), % 0 to 0.040
0 to 0.030