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ASTM Grade LC9 Steel vs. EN 1.8818 Steel

Both ASTM grade LC9 steel and EN 1.8818 steel are iron alloys. They have a moderately high 91% 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 LC9 steel and the bottom bar is EN 1.8818 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
130
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 22
27
Fatigue Strength, MPa 420
200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 660
440
Tensile Strength: Yield (Proof), MPa 590
270

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 430
400
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.9
7.4
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
1.6
Embodied Energy, MJ/kg 31
21
Embodied Water, L/kg 65
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
110
Resilience: Unit (Modulus of Resilience), kJ/m3 920
200
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 23
16
Strength to Weight: Bending, points 21
16
Thermal Shock Resistance, points 20
13

Alloy Composition

Aluminum (Al), % 0
0.015 to 0.034
Carbon (C), % 0 to 0.13
0 to 0.15
Chromium (Cr), % 0 to 0.5
0 to 0.35
Copper (Cu), % 0 to 0.3
0 to 0.6
Iron (Fe), % 87.4 to 91.5
95.9 to 99.985
Manganese (Mn), % 0 to 0.9
0 to 1.6
Molybdenum (Mo), % 0 to 0.2
0 to 0.13
Nickel (Ni), % 8.5 to 10
0 to 0.35
Niobium (Nb), % 0
0 to 0.060
Nitrogen (N), % 0
0 to 0.017
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 0.45
0 to 0.55
Sulfur (S), % 0 to 0.045
0 to 0.030
Titanium (Ti), % 0
0 to 0.060
Vanadium (V), % 0 to 0.030
0 to 0.1