MakeItFrom.com
Menu (ESC)

AWS E316LMn vs. SAE-AISI 4340 Steel

Both AWS E316LMn and SAE-AISI 4340 steel are iron alloys. They have 57% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is AWS E316LMn and the bottom bar is SAE-AISI 4340 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 23
12 to 22
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
73
Tensile Strength: Ultimate (UTS), MPa 620
690 to 1280

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 14
13

Otherwise Unclassified Properties

Base Metal Price, % relative 24
3.5
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.6
1.7
Embodied Energy, MJ/kg 64
22
Embodied Water, L/kg 180
53

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
24 to 45
Strength to Weight: Bending, points 20
22 to 33
Thermal Shock Resistance, points 15
20 to 38

Alloy Composition

Carbon (C), % 0 to 0.040
0.38 to 0.43
Chromium (Cr), % 18 to 21
0.7 to 0.9
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 47.5 to 59.4
95.1 to 96.3
Manganese (Mn), % 5.0 to 8.0
0.6 to 0.8
Molybdenum (Mo), % 2.5 to 3.5
0.2 to 0.3
Nickel (Ni), % 15 to 18
1.7 to 2.0
Nitrogen (N), % 0.1 to 0.25
0
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 0.9
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.040