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ASTM A387 Grade 2 Steel vs. EN 1.0491 Steel

Both ASTM A387 grade 2 steel and EN 1.0491 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 1.0491 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140 to 170
130
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 25
26
Fatigue Strength, MPa 190 to 250
200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 300 to 350
280
Tensile Strength: Ultimate (UTS), MPa 470 to 550
440
Tensile Strength: Yield (Proof), MPa 260 to 350
270

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
47
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
2.4
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.6
1.6
Embodied Energy, MJ/kg 20
21
Embodied Water, L/kg 50
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 120
99
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 320
200
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 16 to 20
16
Strength to Weight: Bending, points 17 to 19
16
Thermal Diffusivity, mm2/s 12
13
Thermal Shock Resistance, points 14 to 16
14

Alloy Composition

Aluminum (Al), % 0
0 to 0.015
Carbon (C), % 0.050 to 0.21
0 to 0.18
Chromium (Cr), % 0.5 to 0.8
0 to 0.35
Copper (Cu), % 0
0 to 0.6
Iron (Fe), % 97.1 to 98.3
96.1 to 99.55
Manganese (Mn), % 0.55 to 0.8
0.45 to 1.6
Molybdenum (Mo), % 0.45 to 0.6
0 to 0.13
Nickel (Ni), % 0
0 to 0.35
Niobium (Nb), % 0
0 to 0.060
Nitrogen (N), % 0
0 to 0.017
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0.15 to 0.4
0 to 0.45
Sulfur (S), % 0 to 0.025
0 to 0.025
Titanium (Ti), % 0
0 to 0.060
Vanadium (V), % 0
0 to 0.070