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SAE-AISI D2 Steel vs. ASTM Grade HN Steel

Both SAE-AISI D2 steel and ASTM grade HN steel are iron alloys. They have 65% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI D2 steel and the bottom bar is ASTM grade HN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 5.0 to 16
9.0
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
77
Tensile Strength: Ultimate (UTS), MPa 760 to 2000
500

Thermal Properties

Latent Heat of Fusion, J/g 270
310
Melting Completion (Liquidus), °C 1440
1400
Melting Onset (Solidus), °C 1390
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 31
13
Thermal Expansion, µm/m-K 11
16

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
26
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 3.4
4.6
Embodied Energy, MJ/kg 50
66
Embodied Water, L/kg 100
180

Common Calculations

PREN (Pitting Resistance) 15
22
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27 to 72
17
Strength to Weight: Bending, points 24 to 46
18
Thermal Diffusivity, mm2/s 8.3
3.5
Thermal Shock Resistance, points 25 to 67
11

Alloy Composition

Carbon (C), % 1.4 to 1.6
0.2 to 0.5
Chromium (Cr), % 11 to 13
19 to 23
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 81.3 to 86.9
44.9 to 57.8
Manganese (Mn), % 0 to 0.6
0 to 2.0
Molybdenum (Mo), % 0.7 to 1.2
0 to 0.5
Nickel (Ni), % 0 to 0.3
23 to 27
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.6
0 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.040
Vanadium (V), % 0 to 1.1
0