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ASTM Grade HL Steel vs. ASTM A387 Grade 11 Steel

Both ASTM grade HL steel and ASTM A387 grade 11 steel are iron alloys. They have 50% 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 ASTM grade HL steel and the bottom bar is ASTM A387 grade 11 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
150 to 180
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 11
25
Fatigue Strength, MPa 150
200 to 250
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 500
500 to 600
Tensile Strength: Yield (Proof), MPa 270
270 to 350

Thermal Properties

Latent Heat of Fusion, J/g 320
260
Maximum Temperature: Mechanical, °C 1100
430
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
2.9
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.5
1.6
Embodied Energy, MJ/kg 65
21
Embodied Water, L/kg 210
53

Common Calculations

PREN (Pitting Resistance) 31
3.1
Resilience: Ultimate (Unit Rupture Work), MJ/m3 48
100 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 180
200 to 320
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
18 to 21
Strength to Weight: Bending, points 18
18 to 20
Thermal Shock Resistance, points 11
15 to 18

Alloy Composition

Carbon (C), % 0.2 to 0.6
0.050 to 0.17
Chromium (Cr), % 28 to 32
1.0 to 1.5
Iron (Fe), % 40.8 to 53.8
96.2 to 97.6
Manganese (Mn), % 0 to 2.0
0.4 to 0.65
Molybdenum (Mo), % 0 to 0.5
0.45 to 0.65
Nickel (Ni), % 18 to 22
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 2.0
0.5 to 0.8
Sulfur (S), % 0 to 0.040
0 to 0.025