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EN 1.1221 Steel vs. ASTM Grade HL Steel

Both EN 1.1221 steel and ASTM grade HL steel are iron alloys. They have 49% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.1221 steel and the bottom bar is ASTM grade HL steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 250
150
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 10 to 21
11
Fatigue Strength, MPa 240 to 340
150
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 72
80
Tensile Strength: Ultimate (UTS), MPa 730 to 870
500
Tensile Strength: Yield (Proof), MPa 390 to 550
270

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Maximum Temperature: Mechanical, °C 400
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 12
17

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
27
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.5
4.5
Embodied Energy, MJ/kg 19
65
Embodied Water, L/kg 47
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 67 to 130
48
Resilience: Unit (Modulus of Resilience), kJ/m3 410 to 800
180
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 26 to 31
18
Strength to Weight: Bending, points 23 to 26
18
Thermal Shock Resistance, points 23 to 28
11

Alloy Composition

Carbon (C), % 0.57 to 0.65
0.2 to 0.6
Chromium (Cr), % 0 to 0.4
28 to 32
Iron (Fe), % 97.1 to 98.8
40.8 to 53.8
Manganese (Mn), % 0.6 to 0.9
0 to 2.0
Molybdenum (Mo), % 0 to 0.1
0 to 0.5
Nickel (Ni), % 0 to 0.4
18 to 22
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 2.0
Sulfur (S), % 0 to 0.035
0 to 0.040