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ASTM Grade LC9 Steel vs. EN 1.8888 Steel

Both ASTM grade LC9 steel and EN 1.8888 steel are iron alloys. Both are furnished in the quenched and tempered condition. They have a moderately high 92% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (6, 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 1.8888 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
250
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 22
16
Fatigue Strength, MPa 420
470
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 660
830
Tensile Strength: Yield (Proof), MPa 590
720

Thermal Properties

Latent Heat of Fusion, J/g 260
260
Maximum Temperature: Mechanical, °C 430
420
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
8.1
Electrical Conductivity: Equal Weight (Specific), % IACS 10
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
3.7
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 2.3
1.9
Embodied Energy, MJ/kg 31
26
Embodied Water, L/kg 65
54

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
130
Resilience: Unit (Modulus of Resilience), kJ/m3 920
1370
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 23
29
Strength to Weight: Bending, points 21
25
Thermal Shock Resistance, points 20
24

Alloy Composition

Boron (B), % 0
0 to 0.0050
Carbon (C), % 0 to 0.13
0 to 0.2
Chromium (Cr), % 0 to 0.5
0 to 1.5
Copper (Cu), % 0 to 0.3
0 to 0.3
Iron (Fe), % 87.4 to 91.5
91.9 to 100
Manganese (Mn), % 0 to 0.9
0 to 1.7
Molybdenum (Mo), % 0 to 0.2
0 to 0.7
Nickel (Ni), % 8.5 to 10
0 to 2.5
Niobium (Nb), % 0
0 to 0.060
Nitrogen (N), % 0
0 to 0.015
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 0.45
0 to 0.8
Sulfur (S), % 0 to 0.045
0 to 0.0050
Titanium (Ti), % 0
0 to 0.050
Vanadium (V), % 0 to 0.030
0 to 0.12
Zirconium (Zr), % 0
0 to 0.15