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SAE-AISI H13 Steel vs. ASTM Grade HK Steel

Both SAE-AISI H13 steel and ASTM grade HK steel are iron alloys. They have 59% 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 SAE-AISI H13 steel and the bottom bar is ASTM grade HK steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 74
79
Tensile Strength: Ultimate (UTS), MPa 690 to 1820
500

Thermal Properties

Latent Heat of Fusion, J/g 270
310
Melting Completion (Liquidus), °C 1460
1400
Melting Onset (Solidus), °C 1420
1350
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 29
15
Thermal Expansion, µm/m-K 10
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.3
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 9.7
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 6.0
25
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.3
4.4
Embodied Energy, MJ/kg 64
63
Embodied Water, L/kg 78
200

Common Calculations

PREN (Pitting Resistance) 9.9
27
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25 to 65
18
Strength to Weight: Bending, points 22 to 43
18
Thermal Diffusivity, mm2/s 7.8
3.9
Thermal Shock Resistance, points 25 to 65
11

Alloy Composition

Carbon (C), % 0.32 to 0.45
0.2 to 0.6
Chromium (Cr), % 4.8 to 5.5
24 to 28
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 88.8 to 92
44.8 to 57.8
Manganese (Mn), % 0.2 to 0.5
0 to 2.0
Molybdenum (Mo), % 1.1 to 1.8
0 to 0.5
Nickel (Ni), % 0 to 0.3
18 to 22
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.8 to 1.2
0 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.040
Vanadium (V), % 0.8 to 1.2
0