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EN 1.8527 Steel vs. ASTM Grade LC9 Steel

Both EN 1.8527 steel and ASTM grade LC9 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 (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.8527 steel and the bottom bar is ASTM grade LC9 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
200
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 16
22
Fatigue Strength, MPa 520
420
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
73
Tensile Strength: Ultimate (UTS), MPa 900
660
Tensile Strength: Yield (Proof), MPa 800
590

Thermal Properties

Latent Heat of Fusion, J/g 260
260
Maximum Temperature: Mechanical, °C 490
430
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
8.9
Electrical Conductivity: Equal Weight (Specific), % IACS 9.0
10

Otherwise Unclassified Properties

Base Metal Price, % relative 4.0
8.0
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.7
2.3
Embodied Energy, MJ/kg 23
31
Embodied Water, L/kg 66
65

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
140
Resilience: Unit (Modulus of Resilience), kJ/m3 1670
920
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 32
23
Strength to Weight: Bending, points 26
21
Thermal Shock Resistance, points 26
20

Alloy Composition

Carbon (C), % 0.040 to 0.12
0 to 0.13
Chromium (Cr), % 3.7 to 4.3
0 to 0.5
Copper (Cu), % 0 to 0.25
0 to 0.3
Iron (Fe), % 93.2 to 95.1
87.4 to 91.5
Manganese (Mn), % 0.85 to 1.2
0 to 0.9
Molybdenum (Mo), % 0.4 to 0.6
0 to 0.2
Nickel (Ni), % 0
8.5 to 10
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 0.45
Sulfur (S), % 0 to 0.035
0 to 0.045
Vanadium (V), % 0
0 to 0.030