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EN 1.8903 Steel vs. ASTM Grade LC2-1 Steel

Both EN 1.8903 steel and ASTM grade LC2-1 steel are iron alloys. They have a very high 96% 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 1.8903 steel and the bottom bar is ASTM grade LC2-1 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
240
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 19
20
Fatigue Strength, MPa 330
430
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 630
810
Tensile Strength: Yield (Proof), MPa 480
630

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Maximum Temperature: Mechanical, °C 410
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 46
46
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
5.0
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.8
1.9
Embodied Energy, MJ/kg 24
25
Embodied Water, L/kg 51
60

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
150
Resilience: Unit (Modulus of Resilience), kJ/m3 620
1040
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22
29
Strength to Weight: Bending, points 21
25
Thermal Diffusivity, mm2/s 12
12
Thermal Shock Resistance, points 18
24

Alloy Composition

Aluminum (Al), % 0 to 0.015
0
Carbon (C), % 0 to 0.22
0 to 0.22
Chromium (Cr), % 0 to 0.35
1.4 to 1.9
Copper (Cu), % 0 to 0.6
0
Iron (Fe), % 95 to 99.05
92.5 to 95.3
Manganese (Mn), % 1.0 to 1.8
0.55 to 0.75
Molybdenum (Mo), % 0 to 0.13
0.3 to 0.6
Nickel (Ni), % 0 to 0.85
2.5 to 3.5
Niobium (Nb), % 0 to 0.060
0
Nitrogen (N), % 0 to 0.027
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.65
0 to 0.5
Sulfur (S), % 0 to 0.025
0 to 0.045
Titanium (Ti), % 0 to 0.060
0
Vanadium (V), % 0 to 0.22
0