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ASTM A372 Grade L Steel vs. SAE-AISI S5 Steel

Both ASTM A372 grade L steel and SAE-AISI S5 steel are iron alloys. They have a very high 97% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (9, 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 SAE-AISI S5 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
72
Tensile Strength: Ultimate (UTS), MPa 1160
680 to 1940

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 44
42
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 3.5
3.1
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.7
2.1
Embodied Energy, MJ/kg 22
29
Embodied Water, L/kg 54
51

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 41
25 to 70
Strength to Weight: Bending, points 31
22 to 45
Thermal Diffusivity, mm2/s 12
11
Thermal Shock Resistance, points 34
23 to 65

Alloy Composition

Carbon (C), % 0.38 to 0.43
0.5 to 0.65
Chromium (Cr), % 0.7 to 0.9
0 to 0.5
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 95.2 to 96.3
93.6 to 97
Manganese (Mn), % 0.6 to 0.8
0.6 to 1.0
Molybdenum (Mo), % 0.2 to 0.3
0.2 to 1.4
Nickel (Ni), % 1.7 to 2.0
0
Phosphorus (P), % 0 to 0.015
0 to 0.030
Silicon (Si), % 0.15 to 0.35
1.8 to 2.3
Sulfur (S), % 0 to 0.010
0 to 0.030
Vanadium (V), % 0
0 to 0.35