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ASTM Grade HN Steel vs. SAE-AISI H41 Steel

Both ASTM grade HN steel and SAE-AISI H41 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 (4, 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 H41 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
77
Tensile Strength: Ultimate (UTS), MPa 500
710 to 2210

Thermal Properties

Latent Heat of Fusion, J/g 310
270
Melting Completion (Liquidus), °C 1400
1560
Melting Onset (Solidus), °C 1350
1510
Specific Heat Capacity, J/kg-K 480
450
Thermal Conductivity, W/m-K 13
28
Thermal Expansion, µm/m-K 16
12

Otherwise Unclassified Properties

Base Metal Price, % relative 26
18
Density, g/cm3 7.9
8.1
Embodied Carbon, kg CO2/kg material 4.6
6.8
Embodied Energy, MJ/kg 66
97
Embodied Water, L/kg 180
97

Common Calculations

PREN (Pitting Resistance) 22
35
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 17
24 to 76
Strength to Weight: Bending, points 18
22 to 47
Thermal Diffusivity, mm2/s 3.5
7.7
Thermal Shock Resistance, points 11
20 to 64

Alloy Composition

Carbon (C), % 0.2 to 0.5
0.6 to 0.75
Chromium (Cr), % 19 to 23
3.5 to 4.0
Iron (Fe), % 44.9 to 57.8
81.8 to 85
Manganese (Mn), % 0 to 2.0
0.15 to 0.4
Molybdenum (Mo), % 0 to 0.5
8.2 to 9.2
Nickel (Ni), % 23 to 27
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 2.0
0.2 to 0.45
Sulfur (S), % 0 to 0.040
0 to 0.030
Tungsten (W), % 0
1.4 to 2.1
Vanadium (V), % 0
1.0 to 1.3