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ASTM A387 Grade 2 Steel vs. EN 1.7380 Steel

Both ASTM A387 grade 2 steel and EN 1.7380 steel are iron alloys. They have a very high 98% of their average alloy composition in common. There are 32 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 2 steel and the bottom bar is EN 1.7380 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140 to 170
160 to 170
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 25
19 to 20
Fatigue Strength, MPa 190 to 250
200 to 230
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
74
Shear Strength, MPa 300 to 350
330 to 350
Tensile Strength: Ultimate (UTS), MPa 470 to 550
540 to 550
Tensile Strength: Yield (Proof), MPa 260 to 350
290 to 330

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Maximum Temperature: Mechanical, °C 420
460
Melting Completion (Liquidus), °C 1470
1470
Melting Onset (Solidus), °C 1420
1430
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
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
3.8
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 1.6
1.8
Embodied Energy, MJ/kg 20
23
Embodied Water, L/kg 50
59

Common Calculations

PREN (Pitting Resistance) 2.4
5.6
Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 120
87 to 98
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 320
230 to 280
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 16 to 20
19 to 20
Strength to Weight: Bending, points 17 to 19
19
Thermal Diffusivity, mm2/s 12
11
Thermal Shock Resistance, points 14 to 16
15 to 16

Alloy Composition

Carbon (C), % 0.050 to 0.21
0.080 to 0.14
Chromium (Cr), % 0.5 to 0.8
2.0 to 2.5
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 97.1 to 98.3
94.6 to 96.6
Manganese (Mn), % 0.55 to 0.8
0.4 to 0.8
Molybdenum (Mo), % 0.45 to 0.6
0.9 to 1.1
Nitrogen (N), % 0
0 to 0.012
Phosphorus (P), % 0 to 0.025
0 to 0.020
Silicon (Si), % 0.15 to 0.4
0 to 0.5
Sulfur (S), % 0 to 0.025
0 to 0.010

Comparable Variants