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ASTM Grade HK Steel vs. SAE-AISI H10 Steel

Both ASTM grade HK steel and SAE-AISI H10 steel are iron alloys. They have 57% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is ASTM grade HK steel and the bottom bar is SAE-AISI H10 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 79
74
Tensile Strength: Ultimate (UTS), MPa 500
680 to 2030

Thermal Properties

Latent Heat of Fusion, J/g 310
270
Melting Completion (Liquidus), °C 1400
1470
Melting Onset (Solidus), °C 1350
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
38
Thermal Expansion, µm/m-K 17
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
9.2

Otherwise Unclassified Properties

Base Metal Price, % relative 25
6.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.4
3.4
Embodied Energy, MJ/kg 63
48
Embodied Water, L/kg 200
71

Common Calculations

PREN (Pitting Resistance) 27
12
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
24 to 72
Strength to Weight: Bending, points 18
22 to 46
Thermal Diffusivity, mm2/s 3.9
10
Thermal Shock Resistance, points 11
22 to 66

Alloy Composition

Carbon (C), % 0.2 to 0.6
0.35 to 0.45
Chromium (Cr), % 24 to 28
3.0 to 3.8
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 44.8 to 57.8
89.5 to 93.4
Manganese (Mn), % 0 to 2.0
0.25 to 0.7
Molybdenum (Mo), % 0 to 0.5
2.0 to 3.0
Nickel (Ni), % 18 to 22
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
Vanadium (V), % 0
0.25 to 0.75