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EN 1.3558 Steel vs. ASTM Grade HK Steel

Both EN 1.3558 steel and ASTM grade HK steel are iron alloys. They have 56% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.3558 steel and the bottom bar is ASTM grade HK steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
150
Elastic (Young's, Tensile) Modulus, GPa 210
200
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 80
79
Tensile Strength: Ultimate (UTS), MPa 770
500

Thermal Properties

Latent Heat of Fusion, J/g 240
310
Maximum Temperature: Mechanical, °C 490
1100
Melting Completion (Liquidus), °C 1810
1400
Melting Onset (Solidus), °C 1760
1350
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 20
15
Thermal Expansion, µm/m-K 12
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 12
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 45
25
Density, g/cm3 9.3
7.8
Embodied Carbon, kg CO2/kg material 8.4
4.4
Embodied Energy, MJ/kg 130
63
Embodied Water, L/kg 90
200

Common Calculations

PREN (Pitting Resistance) 35
27
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 23
18
Strength to Weight: Bending, points 20
18
Thermal Diffusivity, mm2/s 5.3
3.9
Thermal Shock Resistance, points 22
11

Alloy Composition

Carbon (C), % 0.7 to 0.8
0.2 to 0.6
Chromium (Cr), % 3.9 to 4.3
24 to 28
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 73.7 to 77.6
44.8 to 57.8
Manganese (Mn), % 0 to 0.4
0 to 2.0
Molybdenum (Mo), % 0 to 0.6
0 to 0.5
Nickel (Ni), % 0
18 to 22
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 2.0
Sulfur (S), % 0 to 0.015
0 to 0.040
Tungsten (W), % 17.5 to 19
0
Vanadium (V), % 1.0 to 1.3
0