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ASTM Grade HL Steel vs. EN 1.6579 Steel

Both ASTM grade HL steel and EN 1.6579 steel are iron alloys. They have 52% of their average alloy composition in common. There are 27 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 ASTM grade HL steel and the bottom bar is EN 1.6579 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
260 to 290
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 11
11 to 14
Fatigue Strength, MPa 150
380 to 570
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 500
850 to 980
Tensile Strength: Yield (Proof), MPa 270
600 to 910

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Maximum Temperature: Mechanical, °C 1100
440
Melting Completion (Liquidus), °C 1390
1460
Melting Onset (Solidus), °C 1340
1410
Specific Heat Capacity, J/kg-K 490
470
Thermal Expansion, µm/m-K 17
13

Otherwise Unclassified Properties

Base Metal Price, % relative 27
3.7
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.5
1.7
Embodied Energy, MJ/kg 65
22
Embodied Water, L/kg 210
56

Common Calculations

PREN (Pitting Resistance) 31
2.4
Resilience: Ultimate (Unit Rupture Work), MJ/m3 48
100 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 180
950 to 2210
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
30 to 35
Strength to Weight: Bending, points 18
25 to 28
Thermal Shock Resistance, points 11
25 to 29

Alloy Composition

Carbon (C), % 0.2 to 0.6
0.32 to 0.38
Chromium (Cr), % 28 to 32
1.4 to 1.7
Iron (Fe), % 40.8 to 53.8
94.2 to 96.1
Manganese (Mn), % 0 to 2.0
0.6 to 1.0
Molybdenum (Mo), % 0 to 0.5
0.15 to 0.35
Nickel (Ni), % 18 to 22
1.4 to 1.7
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 2.0
0 to 0.6
Sulfur (S), % 0 to 0.040
0 to 0.030