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ASTM A372 Grade L Steel vs. EN 1.4981 Stainless Steel

Both ASTM A372 grade L steel and EN 1.4981 stainless steel are iron alloys. They have 67% 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 A372 grade L steel and the bottom bar is EN 1.4981 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 350
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 14
39
Fatigue Strength, MPa 670
210
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 700
420
Tensile Strength: Ultimate (UTS), MPa 1160
610
Tensile Strength: Yield (Proof), MPa 1040
240

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 430
940
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 44
16
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 3.5
25
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.7
4.8
Embodied Energy, MJ/kg 22
67
Embodied Water, L/kg 54
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
190
Resilience: Unit (Modulus of Resilience), kJ/m3 2890
150
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 41
21
Strength to Weight: Bending, points 31
20
Thermal Diffusivity, mm2/s 12
4.3
Thermal Shock Resistance, points 34
14

Alloy Composition

Carbon (C), % 0.38 to 0.43
0.040 to 0.1
Chromium (Cr), % 0.7 to 0.9
15.5 to 17.5
Iron (Fe), % 95.2 to 96.3
59.6 to 66.7
Manganese (Mn), % 0.6 to 0.8
0 to 1.5
Molybdenum (Mo), % 0.2 to 0.3
1.6 to 2.0
Nickel (Ni), % 1.7 to 2.0
15.5 to 17.5
Niobium (Nb), % 0
0.4 to 1.2
Phosphorus (P), % 0 to 0.015
0 to 0.035
Silicon (Si), % 0.15 to 0.35
0.3 to 0.6
Sulfur (S), % 0 to 0.010
0 to 0.015