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EN 1.7366 Steel vs. ASTM Grade LC9 Steel

Both EN 1.7366 steel and ASTM grade LC9 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 (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.7366 steel and the bottom bar is ASTM grade LC9 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140 to 210
200
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 17 to 19
22
Fatigue Strength, MPa 160 to 320
420
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
73
Tensile Strength: Ultimate (UTS), MPa 460 to 710
660
Tensile Strength: Yield (Proof), MPa 230 to 480
590

Thermal Properties

Latent Heat of Fusion, J/g 260
260
Maximum Temperature: Mechanical, °C 510
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 8.1
8.9
Electrical Conductivity: Equal Weight (Specific), % IACS 9.3
10

Otherwise Unclassified Properties

Base Metal Price, % relative 4.3
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 69
65

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 74 to 110
140
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 600
920
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 16 to 25
23
Strength to Weight: Bending, points 17 to 23
21
Thermal Shock Resistance, points 13 to 20
20

Alloy Composition

Carbon (C), % 0 to 0.18
0 to 0.13
Chromium (Cr), % 4.0 to 6.0
0 to 0.5
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 91.9 to 95.3
87.4 to 91.5
Manganese (Mn), % 0.3 to 0.8
0 to 0.9
Molybdenum (Mo), % 0.45 to 0.65
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 0.015
0 to 0.045
Vanadium (V), % 0
0 to 0.030