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ASTM A387 Grade 11 Steel vs. EN 1.1244 Steel

Both ASTM A387 grade 11 steel and EN 1.1244 steel are iron alloys. They have a very high 98% of their average alloy composition in common. There are 25 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 ASTM A387 grade 11 steel and the bottom bar is EN 1.1244 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 180
210 to 220
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 500 to 600
730 to 770

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 430
400
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 39
51
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 2.9
1.9
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.6
1.4
Embodied Energy, MJ/kg 21
19
Embodied Water, L/kg 53
47

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 18 to 21
26 to 28
Strength to Weight: Bending, points 18 to 20
23 to 24
Thermal Diffusivity, mm2/s 11
14
Thermal Shock Resistance, points 15 to 18
23 to 25

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Carbon (C), % 0.050 to 0.17
0.65 to 0.75
Chromium (Cr), % 1.0 to 1.5
0
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 96.2 to 97.6
98.1 to 99.2
Manganese (Mn), % 0.4 to 0.65
0.8 to 1.1
Molybdenum (Mo), % 0.45 to 0.65
0
Oxygen (O), % 0
0 to 0.0020
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0.5 to 0.8
0 to 0.4
Sulfur (S), % 0 to 0.025
0 to 0.030

Comparable Variants