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EN 1.7366 Steel vs. ASTM Grade LC4 Steel

Both EN 1.7366 steel and ASTM grade LC4 steel are iron alloys. They have a moderately high 94% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, 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 LC4 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140 to 210
170
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 17 to 19
27
Fatigue Strength, MPa 160 to 320
230
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
73
Tensile Strength: Ultimate (UTS), MPa 460 to 710
570
Tensile Strength: Yield (Proof), MPa 230 to 480
310

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 510
410
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 40
49
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.1
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 9.3
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 4.3
4.6
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.7
1.8
Embodied Energy, MJ/kg 23
24
Embodied Water, L/kg 69
54

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 74 to 110
130
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 600
260
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 16 to 25
20
Strength to Weight: Bending, points 17 to 23
19
Thermal Diffusivity, mm2/s 11
13
Thermal Shock Resistance, points 13 to 20
17

Alloy Composition

Carbon (C), % 0 to 0.18
0 to 0.15
Chromium (Cr), % 4.0 to 6.0
0
Iron (Fe), % 91.9 to 95.3
93.4 to 95.5
Manganese (Mn), % 0.3 to 0.8
0.5 to 0.8
Molybdenum (Mo), % 0.45 to 0.65
0
Nickel (Ni), % 0
4.0 to 5.0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 0.6
Sulfur (S), % 0 to 0.015
0 to 0.045