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ASTM Grade HL Steel vs. SAE-AISI 6150 Steel

Both ASTM grade HL steel and SAE-AISI 6150 steel are iron alloys. They have 50% 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 ASTM grade HL steel and the bottom bar is SAE-AISI 6150 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
200 to 350
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 11
15 to 23
Fatigue Strength, MPa 150
300 to 750
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 500
630 to 1200
Tensile Strength: Yield (Proof), MPa 270
420 to 1160

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
1410
Specific Heat Capacity, J/kg-K 490
470
Thermal Expansion, µm/m-K 17
12 to 13

Otherwise Unclassified Properties

Base Metal Price, % relative 27
2.3
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.5
2.0
Embodied Energy, MJ/kg 65
28
Embodied Water, L/kg 210
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 48
130 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 180
460 to 3590
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
22 to 43
Strength to Weight: Bending, points 18
21 to 32
Thermal Shock Resistance, points 11
20 to 38

Alloy Composition

Carbon (C), % 0.2 to 0.6
0.48 to 0.53
Chromium (Cr), % 28 to 32
0.8 to 1.1
Iron (Fe), % 40.8 to 53.8
96.7 to 97.7
Manganese (Mn), % 0 to 2.0
0.7 to 0.9
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 18 to 22
0
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 2.0
0.15 to 0.35
Sulfur (S), % 0 to 0.040
0 to 0.040
Vanadium (V), % 0
0.15 to 0.3