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ASTM A372 Grade L Steel vs. EN 1.7216 Steel

Both ASTM A372 grade L steel and EN 1.7216 steel are iron alloys. They have a very high 98% of their average alloy composition in common.

For each property being compared, the top bar is ASTM A372 grade L steel and the bottom bar is EN 1.7216 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 350
200 to 280
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 14
12 to 23
Fatigue Strength, MPa 670
290 to 440
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 700
410 to 560
Tensile Strength: Ultimate (UTS), MPa 1160
650 to 930
Tensile Strength: Yield (Proof), MPa 1040
400 to 690

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
46
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 3.5
2.4
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.7
1.5
Embodied Energy, MJ/kg 22
20
Embodied Water, L/kg 54
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
110 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 2890
430 to 1280
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 41
23 to 33
Strength to Weight: Bending, points 31
21 to 27
Thermal Diffusivity, mm2/s 12
12
Thermal Shock Resistance, points 34
19 to 27

Alloy Composition

Carbon (C), % 0.38 to 0.43
0.27 to 0.34
Chromium (Cr), % 0.7 to 0.9
0.8 to 1.2
Iron (Fe), % 95.2 to 96.3
97.2 to 98.4
Manganese (Mn), % 0.6 to 0.8
0.35 to 0.6
Molybdenum (Mo), % 0.2 to 0.3
0.15 to 0.3
Nickel (Ni), % 1.7 to 2.0
0
Phosphorus (P), % 0 to 0.015
0 to 0.035
Silicon (Si), % 0.15 to 0.35
0 to 0.35
Sulfur (S), % 0 to 0.010
0 to 0.035