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ASTM Grade LC2-1 Steel vs. EN 1.7390 Steel

Both ASTM grade LC2-1 steel and EN 1.7390 steel are iron alloys. Both are furnished in the normalized and tempered condition. They have a very high 97% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is ASTM grade LC2-1 steel and the bottom bar is EN 1.7390 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240
210
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
16
Fatigue Strength, MPa 430
310
Poisson's Ratio 0.29
0.29
Reduction in Area, % 34
50
Shear Modulus, GPa 73
74
Tensile Strength: Ultimate (UTS), MPa 810
710
Tensile Strength: Yield (Proof), MPa 630
480

Thermal Properties

Latent Heat of Fusion, J/g 260
260
Maximum Temperature: Mechanical, °C 450
510
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
40
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
8.1
Electrical Conductivity: Equal Weight (Specific), % IACS 9.1
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 5.0
4.3
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.9
1.7
Embodied Energy, MJ/kg 25
23
Embodied Water, L/kg 60
69

Common Calculations

PREN (Pitting Resistance) 3.1
6.8
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
100
Resilience: Unit (Modulus of Resilience), kJ/m3 1040
600
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 29
25
Strength to Weight: Bending, points 25
23
Thermal Diffusivity, mm2/s 12
11
Thermal Shock Resistance, points 24
20

Alloy Composition

Carbon (C), % 0 to 0.22
0 to 0.18
Chromium (Cr), % 1.4 to 1.9
4.0 to 6.0
Iron (Fe), % 92.5 to 95.3
91.9 to 95.3
Manganese (Mn), % 0.55 to 0.75
0.3 to 0.8
Molybdenum (Mo), % 0.3 to 0.6
0.45 to 0.65
Nickel (Ni), % 2.5 to 3.5
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 0.5
0 to 0.4
Sulfur (S), % 0 to 0.045
0 to 0.015