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ASTM Grade HL Steel vs. EN 1.7243 Steel

Both ASTM grade HL steel and EN 1.7243 steel are iron alloys. They have 50% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (11, 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 1.7243 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
150 to 170
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
480 to 1390

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Maximum Temperature: Mechanical, °C 1100
420
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
2.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.5
1.5
Embodied Energy, MJ/kg 65
20
Embodied Water, L/kg 210
51

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
17 to 49
Strength to Weight: Bending, points 18
17 to 35
Thermal Shock Resistance, points 11
14 to 41

Alloy Composition

Carbon (C), % 0.2 to 0.6
0.15 to 0.21
Chromium (Cr), % 28 to 32
0.9 to 1.2
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 40.8 to 53.8
96.8 to 98.2
Manganese (Mn), % 0 to 2.0
0.6 to 0.9
Molybdenum (Mo), % 0 to 0.5
0.15 to 0.25
Nickel (Ni), % 18 to 22
0
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 2.0
0 to 0.4
Sulfur (S), % 0 to 0.040
0 to 0.035