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ASTM A387 Grade 2 Steel vs. EN 1.6579 Steel

Both ASTM A387 grade 2 steel and EN 1.6579 steel are iron alloys. They have a very high 97% 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 1.6579 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140 to 170
260 to 290
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 25
11 to 14
Fatigue Strength, MPa 190 to 250
380 to 570
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 470 to 550
850 to 980
Tensile Strength: Yield (Proof), MPa 260 to 350
600 to 910

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 420
440
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 45
39
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
3.7
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.6
1.7
Embodied Energy, MJ/kg 20
22
Embodied Water, L/kg 50
56

Common Calculations

PREN (Pitting Resistance) 2.4
2.4
Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 120
100 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 320
950 to 2210
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 16 to 20
30 to 35
Strength to Weight: Bending, points 17 to 19
25 to 28
Thermal Diffusivity, mm2/s 12
11
Thermal Shock Resistance, points 14 to 16
25 to 29

Alloy Composition

Carbon (C), % 0.050 to 0.21
0.32 to 0.38
Chromium (Cr), % 0.5 to 0.8
1.4 to 1.7
Iron (Fe), % 97.1 to 98.3
94.2 to 96.1
Manganese (Mn), % 0.55 to 0.8
0.6 to 1.0
Molybdenum (Mo), % 0.45 to 0.6
0.15 to 0.35
Nickel (Ni), % 0
1.4 to 1.7
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0.15 to 0.4
0 to 0.6
Sulfur (S), % 0 to 0.025
0 to 0.030

Comparable Variants