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ASTM Grade HE Steel vs. ASTM Grade LC9 Steel

Both ASTM grade HE steel and ASTM grade LC9 steel are iron alloys. They have 70% of their average alloy composition in common. There are 28 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 HE steel and the bottom bar is ASTM grade LC9 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
200
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 10
22
Fatigue Strength, MPa 160
420
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 79
73
Tensile Strength: Ultimate (UTS), MPa 670
660
Tensile Strength: Yield (Proof), MPa 310
590

Thermal Properties

Latent Heat of Fusion, J/g 310
260
Maximum Temperature: Mechanical, °C 1100
430
Melting Completion (Liquidus), °C 1400
1450
Melting Onset (Solidus), °C 1360
1410
Specific Heat Capacity, J/kg-K 490
470
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
8.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
10

Otherwise Unclassified Properties

Base Metal Price, % relative 19
8.0
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 3.5
2.3
Embodied Energy, MJ/kg 50
31
Embodied Water, L/kg 190
65

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 56
140
Resilience: Unit (Modulus of Resilience), kJ/m3 240
920
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
23
Strength to Weight: Bending, points 22
21
Thermal Shock Resistance, points 14
20

Alloy Composition

Carbon (C), % 0.2 to 0.5
0 to 0.13
Chromium (Cr), % 26 to 30
0 to 0.5
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 53.9 to 65.8
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), % 8.0 to 11
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