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ASTM Grade LC9 Steel vs. EN 1.8871 Steel

Both ASTM grade LC9 steel and EN 1.8871 steel are iron alloys. Both are furnished in the quenched and tempered condition. 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 1.8871 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 22
22
Fatigue Strength, MPa 420
320
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 660
610
Tensile Strength: Yield (Proof), MPa 590
460

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 430
410
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
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 10
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
2.8
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 2.3
1.7
Embodied Energy, MJ/kg 31
22
Embodied Water, L/kg 65
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
120
Resilience: Unit (Modulus of Resilience), kJ/m3 920
550
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 23
22
Strength to Weight: Bending, points 21
20
Thermal Shock Resistance, points 20
18

Alloy Composition

Boron (B), % 0
0 to 0.0050
Carbon (C), % 0 to 0.13
0 to 0.18
Chromium (Cr), % 0 to 0.5
0 to 0.5
Copper (Cu), % 0 to 0.3
0 to 0.3
Iron (Fe), % 87.4 to 91.5
95.1 to 100
Manganese (Mn), % 0 to 0.9
0 to 1.7
Molybdenum (Mo), % 0 to 0.2
0 to 0.5
Nickel (Ni), % 8.5 to 10
0 to 1.0
Niobium (Nb), % 0
0 to 0.050
Nitrogen (N), % 0
0 to 0.015
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 0.45
0 to 0.5
Sulfur (S), % 0 to 0.045
0 to 0.010
Titanium (Ti), % 0
0 to 0.030
Vanadium (V), % 0 to 0.030
0 to 0.080
Zirconium (Zr), % 0
0 to 0.050