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EN 1.6579 Steel vs. ASTM Grade HL Steel

Both EN 1.6579 steel and ASTM grade HL 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 EN 1.6579 steel and the bottom bar is ASTM grade HL steel.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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