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EN 1.1181 Steel vs. ASTM Grade LC2-1 Steel

Both EN 1.1181 steel and ASTM grade LC2-1 steel are iron alloys. They have a very high 95% 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 1.1181 steel and the bottom bar is ASTM grade LC2-1 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 180
240
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 19 to 20
20
Fatigue Strength, MPa 190 to 260
430
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 560 to 620
810
Tensile Strength: Yield (Proof), MPa 280 to 380
630

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Maximum Temperature: Mechanical, °C 400
450
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 42
46
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
5.0
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
1.9
Embodied Energy, MJ/kg 19
25
Embodied Water, L/kg 47
60

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 90 to 110
150
Resilience: Unit (Modulus of Resilience), kJ/m3 210 to 380
1040
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 20 to 22
29
Strength to Weight: Bending, points 19 to 21
25
Thermal Diffusivity, mm2/s 11
12
Thermal Shock Resistance, points 19 to 21
24

Alloy Composition

Carbon (C), % 0.32 to 0.39
0 to 0.22
Chromium (Cr), % 0 to 0.4
1.4 to 1.9
Iron (Fe), % 97.4 to 99.18
92.5 to 95.3
Manganese (Mn), % 0.5 to 0.8
0.55 to 0.75
Molybdenum (Mo), % 0 to 0.1
0.3 to 0.6
Nickel (Ni), % 0 to 0.4
2.5 to 3.5
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 0.5
Sulfur (S), % 0 to 0.035
0 to 0.045