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SAE-AISI M6 Steel vs. ASTM Grade HL Steel

Both SAE-AISI M6 steel and ASTM grade HL steel are iron alloys. They have 53% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M6 steel and the bottom bar is ASTM grade HL steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 77
80
Tensile Strength: Ultimate (UTS), MPa 840 to 2210
500

Thermal Properties

Latent Heat of Fusion, J/g 260
320
Melting Completion (Liquidus), °C 1560
1390
Melting Onset (Solidus), °C 1510
1340
Specific Heat Capacity, J/kg-K 440
490
Thermal Expansion, µm/m-K 12
17

Otherwise Unclassified Properties

Base Metal Price, % relative 39
27
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 8.0
4.5
Embodied Energy, MJ/kg 120
65
Embodied Water, L/kg 160
210

Common Calculations

PREN (Pitting Resistance) 28
31
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 28 to 73
18
Strength to Weight: Bending, points 24 to 45
18
Thermal Shock Resistance, points 26 to 68
11

Alloy Composition

Carbon (C), % 0.75 to 0.85
0.2 to 0.6
Chromium (Cr), % 3.8 to 4.5
28 to 32
Cobalt (Co), % 11 to 13
0
Iron (Fe), % 68.8 to 74.6
40.8 to 53.8
Manganese (Mn), % 0.15 to 0.4
0 to 2.0
Molybdenum (Mo), % 4.5 to 5.5
0 to 0.5
Nickel (Ni), % 0
18 to 22
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.2 to 0.45
0 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.040
Tungsten (W), % 3.8 to 4.8
0
Vanadium (V), % 1.3 to 1.7
0