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ASTM Grade HL Steel vs. ASTM Grade LC9 Steel

Both ASTM grade HL steel and ASTM grade LC9 steel are iron alloys. They have 58% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (5, 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 grade LC9 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
200
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 11
22
Fatigue Strength, MPa 150
420
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 500
660
Tensile Strength: Yield (Proof), MPa 270
590

Thermal Properties

Latent Heat of Fusion, J/g 320
260
Maximum Temperature: Mechanical, °C 1100
430
Melting Completion (Liquidus), °C 1390
1450
Melting Onset (Solidus), °C 1340
1410
Specific Heat Capacity, J/kg-K 490
470
Thermal Expansion, µm/m-K 17
13

Otherwise Unclassified Properties

Base Metal Price, % relative 27
8.0
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 4.5
2.3
Embodied Energy, MJ/kg 65
31
Embodied Water, L/kg 210
65

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 48
140
Resilience: Unit (Modulus of Resilience), kJ/m3 180
920
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
23
Strength to Weight: Bending, points 18
21
Thermal Shock Resistance, points 11
20

Alloy Composition

Carbon (C), % 0.2 to 0.6
0 to 0.13
Chromium (Cr), % 28 to 32
0 to 0.5
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 40.8 to 53.8
87.4 to 91.5
Manganese (Mn), % 0 to 2.0
0 to 0.9
Molybdenum (Mo), % 0 to 0.5
0 to 0.2
Nickel (Ni), % 18 to 22
8.5 to 10
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 2.0
0 to 0.45
Sulfur (S), % 0 to 0.040
0 to 0.045
Vanadium (V), % 0
0 to 0.030