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ASTM A387 Grade 11 Steel vs. EN 1.1151 Steel

Both ASTM A387 grade 11 steel and EN 1.1151 steel are iron alloys. They have a very high 98% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (1, 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 1.1151 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 180
130 to 150
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 25
21 to 26
Fatigue Strength, MPa 200 to 250
180 to 240
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 320 to 390
300 to 330
Tensile Strength: Ultimate (UTS), MPa 500 to 600
460 to 520
Tensile Strength: Yield (Proof), MPa 270 to 350
240 to 340

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 430
400
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 39
50
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
2.1
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

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100 to 130
98 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 200 to 320
160 to 310
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 18 to 21
16 to 18
Strength to Weight: Bending, points 18 to 20
17 to 18
Thermal Diffusivity, mm2/s 11
13
Thermal Shock Resistance, points 15 to 18
15 to 16

Alloy Composition

Carbon (C), % 0.050 to 0.17
0.17 to 0.24
Chromium (Cr), % 1.0 to 1.5
0 to 0.4
Iron (Fe), % 96.2 to 97.6
97.7 to 99.43
Manganese (Mn), % 0.4 to 0.65
0.4 to 0.7
Molybdenum (Mo), % 0.45 to 0.65
0 to 0.1
Nickel (Ni), % 0
0 to 0.4
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0.5 to 0.8
0 to 0.4
Sulfur (S), % 0 to 0.025
0 to 0.035

Comparable Variants