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ASTM Grade LC9 Steel vs. SAE-AISI 52100 Steel

Both ASTM grade LC9 steel and SAE-AISI 52100 steel are iron alloys. They have a moderately high 90% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is ASTM grade LC9 steel and the bottom bar is SAE-AISI 52100 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
180 to 210
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 22
10 to 20
Fatigue Strength, MPa 420
250 to 340
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
72
Tensile Strength: Ultimate (UTS), MPa 660
590 to 2010
Tensile Strength: Yield (Proof), MPa 590
360 to 560

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 430
430
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 13
12 to 13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.9
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 10
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
2.4
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 2.3
1.5
Embodied Energy, MJ/kg 31
20
Embodied Water, L/kg 65
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
54 to 310
Resilience: Unit (Modulus of Resilience), kJ/m3 920
350 to 840
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 23
21 to 72
Strength to Weight: Bending, points 21
20 to 45
Thermal Shock Resistance, points 20
19 to 61

Alloy Composition

Carbon (C), % 0 to 0.13
0.93 to 1.1
Chromium (Cr), % 0 to 0.5
1.4 to 1.6
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 87.4 to 91.5
96.5 to 97.3
Manganese (Mn), % 0 to 0.9
0.25 to 0.45
Molybdenum (Mo), % 0 to 0.2
0
Nickel (Ni), % 8.5 to 10
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 0.45
0.15 to 0.35
Sulfur (S), % 0 to 0.045
0 to 0.015
Vanadium (V), % 0 to 0.030
0