MakeItFrom.com
Menu (ESC)

SAE-AISI 4340M Steel vs. AWS E316L

Both SAE-AISI 4340M steel and AWS E316L are iron alloys. They have 68% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 4340M steel and the bottom bar is AWS E316L.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 6.0
34
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
78
Tensile Strength: Ultimate (UTS), MPa 2340
550

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1400
1390
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 38
15
Thermal Expansion, µm/m-K 13
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 9.1
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 3.9
20
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.9
4.0
Embodied Energy, MJ/kg 26
55
Embodied Water, L/kg 55
160

Common Calculations

PREN (Pitting Resistance) 2.2
27
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 84
19
Strength to Weight: Bending, points 51
19
Thermal Diffusivity, mm2/s 10
4.0
Thermal Shock Resistance, points 70
14

Alloy Composition

Carbon (C), % 0.38 to 0.43
0 to 0.040
Chromium (Cr), % 0.7 to 1.0
17 to 20
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 93.3 to 94.8
58.6 to 69.5
Manganese (Mn), % 0.65 to 0.9
0.5 to 2.5
Molybdenum (Mo), % 0.35 to 0.45
2.0 to 3.0
Nickel (Ni), % 1.7 to 2.0
11 to 14
Phosphorus (P), % 0 to 0.012
0 to 0.040
Silicon (Si), % 1.5 to 1.8
0 to 1.0
Sulfur (S), % 0 to 0.012
0 to 0.030
Vanadium (V), % 0.050 to 0.1
0