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ASTM A387 Grade 11 Steel vs. EN 1.0308 Steel

Both ASTM A387 grade 11 steel and EN 1.0308 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 1.0308 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 180
100 to 130
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 25
7.8 to 28
Fatigue Strength, MPa 200 to 250
140 to 200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 320 to 390
230 to 260
Tensile Strength: Ultimate (UTS), MPa 500 to 600
360 to 440
Tensile Strength: Yield (Proof), MPa 270 to 350
190 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
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
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 2.9
1.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.6
1.4
Embodied Energy, MJ/kg 21
18
Embodied Water, L/kg 53
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100 to 130
32 to 95
Resilience: Unit (Modulus of Resilience), kJ/m3 200 to 320
93 to 300
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 18 to 21
13 to 16
Strength to Weight: Bending, points 18 to 20
14 to 16
Thermal Diffusivity, mm2/s 11
14
Thermal Shock Resistance, points 15 to 18
11 to 14

Alloy Composition

Carbon (C), % 0.050 to 0.17
0 to 0.17
Chromium (Cr), % 1.0 to 1.5
0
Iron (Fe), % 96.2 to 97.6
98.2 to 100
Manganese (Mn), % 0.4 to 0.65
0 to 1.2
Molybdenum (Mo), % 0.45 to 0.65
0
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0.5 to 0.8
0 to 0.35
Sulfur (S), % 0 to 0.025
0 to 0.045

Comparable Variants