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SAE-AISI M44 Steel vs. ASTM Grade LC2-1 Steel

Both SAE-AISI M44 steel and ASTM grade LC2-1 steel are iron alloys. They have 71% of their average alloy composition in common. There are 22 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 M44 steel and the bottom bar is ASTM grade LC2-1 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 78
73
Tensile Strength: Ultimate (UTS), MPa 870 to 2290
810

Thermal Properties

Latent Heat of Fusion, J/g 270
260
Melting Completion (Liquidus), °C 1590
1460
Melting Onset (Solidus), °C 1540
1420
Specific Heat Capacity, J/kg-K 440
470
Thermal Conductivity, W/m-K 14
46
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 43
5.0
Density, g/cm3 8.4
7.9
Embodied Carbon, kg CO2/kg material 9.9
1.9
Embodied Energy, MJ/kg 150
25
Embodied Water, L/kg 170
60

Common Calculations

PREN (Pitting Resistance) 35
3.1
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 28 to 75
29
Strength to Weight: Bending, points 24 to 46
25
Thermal Diffusivity, mm2/s 3.7
12
Thermal Shock Resistance, points 27 to 70
24

Alloy Composition

Carbon (C), % 1.1 to 1.2
0 to 0.22
Chromium (Cr), % 4.0 to 4.8
1.4 to 1.9
Cobalt (Co), % 11 to 12.3
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 65.3 to 70.6
92.5 to 95.3
Manganese (Mn), % 0.2 to 0.4
0.55 to 0.75
Molybdenum (Mo), % 6.0 to 7.0
0.3 to 0.6
Nickel (Ni), % 0 to 0.3
2.5 to 3.5
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.3 to 0.55
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.045
Tungsten (W), % 5.0 to 5.8
0
Vanadium (V), % 1.9 to 2.2
0