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EN 1.7379 Steel vs. ASTM Grade HL Steel

Both EN 1.7379 steel and ASTM grade HL steel are iron alloys. They have 51% 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 1.7379 steel and the bottom bar is ASTM grade HL steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
150
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 21
11
Fatigue Strength, MPa 320
150
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 74
80
Tensile Strength: Ultimate (UTS), MPa 670
500
Tensile Strength: Yield (Proof), MPa 460
270

Thermal Properties

Latent Heat of Fusion, J/g 260
320
Maximum Temperature: Mechanical, °C 460
1100
Melting Completion (Liquidus), °C 1470
1390
Melting Onset (Solidus), °C 1420
1340
Specific Heat Capacity, J/kg-K 470
490
Thermal Expansion, µm/m-K 13
17

Otherwise Unclassified Properties

Base Metal Price, % relative 3.8
27
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.8
4.5
Embodied Energy, MJ/kg 23
65
Embodied Water, L/kg 59
210

Common Calculations

PREN (Pitting Resistance) 5.7
31
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
48
Resilience: Unit (Modulus of Resilience), kJ/m3 550
180
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24
18
Strength to Weight: Bending, points 22
18
Thermal Shock Resistance, points 19
11

Alloy Composition

Carbon (C), % 0.13 to 0.2
0.2 to 0.6
Chromium (Cr), % 2.0 to 2.5
28 to 32
Iron (Fe), % 94.5 to 96.5
40.8 to 53.8
Manganese (Mn), % 0.5 to 0.9
0 to 2.0
Molybdenum (Mo), % 0.9 to 1.2
0 to 0.5
Nickel (Ni), % 0
18 to 22
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.6
0 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.040