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ASTM A387 Grade 2 Steel vs. EN 1.5525 Steel

Both ASTM A387 grade 2 steel and EN 1.5525 steel are iron alloys. They have a very high 99% of their average alloy composition in common. There are 31 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 A387 grade 2 steel and the bottom bar is EN 1.5525 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140 to 170
130 to 180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 25
11 to 21
Fatigue Strength, MPa 190 to 250
210 to 310
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 300 to 350
310 to 350
Tensile Strength: Ultimate (UTS), MPa 470 to 550
440 to 1440
Tensile Strength: Yield (Proof), MPa 260 to 350
300 to 490

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 420
400
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 45
50
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
1.9
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.6
1.4
Embodied Energy, MJ/kg 20
19
Embodied Water, L/kg 50
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 120
44 to 240
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 320
240 to 640
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 16 to 20
16 to 51
Strength to Weight: Bending, points 17 to 19
16 to 36
Thermal Diffusivity, mm2/s 12
13
Thermal Shock Resistance, points 14 to 16
13 to 42

Alloy Composition

Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0.050 to 0.21
0.18 to 0.23
Chromium (Cr), % 0.5 to 0.8
0 to 0.3
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 97.1 to 98.3
97.7 to 98.9
Manganese (Mn), % 0.55 to 0.8
0.9 to 1.2
Molybdenum (Mo), % 0.45 to 0.6
0
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0.15 to 0.4
0 to 0.3
Sulfur (S), % 0 to 0.025
0 to 0.025