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EN 1.7201 Steel vs. ASTM Grade LCA Steel

Both EN 1.7201 steel and ASTM grade LCA steel are iron alloys. They have a very high 98% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.7201 steel and the bottom bar is ASTM grade LCA steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
72
Tensile Strength: Ultimate (UTS), MPa 430 to 1300
500

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 420
400
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 45
49
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.5
1.9
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.5
1.4
Embodied Energy, MJ/kg 20
19
Embodied Water, L/kg 51
46

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 15 to 46
18
Strength to Weight: Bending, points 16 to 34
18
Thermal Diffusivity, mm2/s 12
14
Thermal Shock Resistance, points 13 to 38
16

Alloy Composition

Carbon (C), % 0.1 to 0.15
0 to 0.25
Chromium (Cr), % 0.9 to 1.2
0
Copper (Cu), % 0 to 0.25
0 to 0.3
Iron (Fe), % 96.9 to 98.3
96.9 to 100
Manganese (Mn), % 0.6 to 0.9
0 to 0.7
Molybdenum (Mo), % 0.15 to 0.25
0 to 0.2
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.3
0 to 0.6
Sulfur (S), % 0 to 0.025
0 to 0.045
Residuals, % 0
0 to 1.0