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ASTM Grade HK Steel vs. EN 1.8063 Steel

Both ASTM grade HK steel and EN 1.8063 steel are iron alloys. They have 55% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is ASTM grade HK steel and the bottom bar is EN 1.8063 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
200 to 540
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 79
72
Tensile Strength: Ultimate (UTS), MPa 500
670 to 1980

Thermal Properties

Latent Heat of Fusion, J/g 310
270
Maximum Temperature: Mechanical, °C 1100
420
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 15
42
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 25
2.6
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 4.4
1.6
Embodied Energy, MJ/kg 63
21
Embodied Water, L/kg 200
51

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
24 to 71
Strength to Weight: Bending, points 18
22 to 45
Thermal Diffusivity, mm2/s 3.9
11
Thermal Shock Resistance, points 11
20 to 59

Alloy Composition

Carbon (C), % 0.2 to 0.6
0.46 to 0.54
Chromium (Cr), % 24 to 28
0.8 to 1.1
Iron (Fe), % 44.8 to 57.8
95.2 to 96.4
Manganese (Mn), % 0 to 2.0
0.7 to 1.0
Molybdenum (Mo), % 0 to 0.5
0.2 to 0.35
Nickel (Ni), % 18 to 22
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 2.0
1.4 to 1.8
Sulfur (S), % 0 to 0.040
0 to 0.025