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ASTM A372 Grade L Steel vs. EN 1.8870 Steel

Both ASTM A372 grade L steel and EN 1.8870 steel are iron alloys. Both are furnished in the quenched and tempered condition. 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 A372 grade L steel and the bottom bar is EN 1.8870 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 350
180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 14
21
Fatigue Strength, MPa 670
310
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 700
380
Tensile Strength: Ultimate (UTS), MPa 1160
610
Tensile Strength: Yield (Proof), MPa 1040
450

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 430
410
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 44
39
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 3.5
2.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.7
1.7
Embodied Energy, MJ/kg 22
22
Embodied Water, L/kg 54
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
120
Resilience: Unit (Modulus of Resilience), kJ/m3 2890
530
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 41
22
Strength to Weight: Bending, points 31
20
Thermal Diffusivity, mm2/s 12
10
Thermal Shock Resistance, points 34
18

Alloy Composition

Boron (B), % 0
0 to 0.0050
Carbon (C), % 0.38 to 0.43
0 to 0.18
Chromium (Cr), % 0.7 to 0.9
0 to 0.5
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 95.2 to 96.3
95.1 to 100
Manganese (Mn), % 0.6 to 0.8
0 to 1.7
Molybdenum (Mo), % 0.2 to 0.3
0 to 0.5
Nickel (Ni), % 1.7 to 2.0
0 to 1.0
Niobium (Nb), % 0
0 to 0.050
Nitrogen (N), % 0
0 to 0.015
Phosphorus (P), % 0 to 0.015
0 to 0.025
Silicon (Si), % 0.15 to 0.35
0 to 0.5
Sulfur (S), % 0 to 0.010
0 to 0.010
Titanium (Ti), % 0
0 to 0.030
Vanadium (V), % 0
0 to 0.080
Zirconium (Zr), % 0
0 to 0.050