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ASTM A372 Grade L Steel vs. EN 1.8865 Steel

Both ASTM A372 grade L steel and EN 1.8865 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 1.8865 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 350
200
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 14
19
Fatigue Strength, MPa 670
340
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 700
410
Tensile Strength: Ultimate (UTS), MPa 1160
660
Tensile Strength: Yield (Proof), MPa 1040
500

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 430
420
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
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 3.5
3.2
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.7
1.8
Embodied Energy, MJ/kg 22
24
Embodied Water, L/kg 54
52

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
120
Resilience: Unit (Modulus of Resilience), kJ/m3 2890
670
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 41
23
Strength to Weight: Bending, points 31
21
Thermal Diffusivity, mm2/s 12
10
Thermal Shock Resistance, points 34
19

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 1.0
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 95.2 to 96.3
93.6 to 100
Manganese (Mn), % 0.6 to 0.8
0 to 1.7
Molybdenum (Mo), % 0.2 to 0.3
0 to 0.7
Nickel (Ni), % 1.7 to 2.0
0 to 1.5
Niobium (Nb), % 0
0 to 0.050
Nitrogen (N), % 0
0 to 0.015
Phosphorus (P), % 0 to 0.015
0 to 0.020
Silicon (Si), % 0.15 to 0.35
0 to 0.6
Sulfur (S), % 0 to 0.010
0 to 0.0050
Titanium (Ti), % 0
0 to 0.050
Vanadium (V), % 0
0 to 0.080
Zirconium (Zr), % 0
0 to 0.15