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ASTM Grade HL Steel vs. EN 1.7272 Steel

Both ASTM grade HL steel and EN 1.7272 steel are iron alloys. They have 49% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (12, 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 1.7272 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 500
490 to 1650

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Maximum Temperature: Mechanical, °C 1100
410
Melting Completion (Liquidus), °C 1390
1460
Melting Onset (Solidus), °C 1340
1420
Specific Heat Capacity, J/kg-K 490
470
Thermal Expansion, µm/m-K 17
13

Otherwise Unclassified Properties

Base Metal Price, % relative 27
2.2
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.5
1.5
Embodied Energy, MJ/kg 65
19
Embodied Water, L/kg 210
49

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
17 to 59
Strength to Weight: Bending, points 18
18 to 40
Thermal Shock Resistance, points 11
14 to 48

Alloy Composition

Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0.2 to 0.6
0.28 to 0.33
Chromium (Cr), % 28 to 32
0.4 to 0.55
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 40.8 to 53.8
97.2 to 98.3
Manganese (Mn), % 0 to 2.0
0.9 to 1.2
Molybdenum (Mo), % 0 to 0.5
0.1 to 0.15
Nickel (Ni), % 18 to 22
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 2.0
0 to 0.3
Sulfur (S), % 0 to 0.040
0 to 0.025