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AWS E316L vs. AISI 420 Stainless Steel

Both AWS E316L and AISI 420 stainless steel are iron alloys. They have 79% of their average alloy composition in common. There are 25 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 AWS E316L and the bottom bar is AISI 420 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
8.0 to 15
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
76
Tensile Strength: Ultimate (UTS), MPa 550
690 to 1720

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Melting Completion (Liquidus), °C 1440
1510
Melting Onset (Solidus), °C 1390
1450
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 15
27
Thermal Expansion, µm/m-K 14
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
3.5

Otherwise Unclassified Properties

Base Metal Price, % relative 20
7.5
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 4.0
2.0
Embodied Energy, MJ/kg 55
28
Embodied Water, L/kg 160
100

Common Calculations

PREN (Pitting Resistance) 27
14
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 19
25 to 62
Strength to Weight: Bending, points 19
22 to 41
Thermal Diffusivity, mm2/s 4.0
7.3
Thermal Shock Resistance, points 14
25 to 62

Alloy Composition

Carbon (C), % 0 to 0.040
0.15 to 0.4
Chromium (Cr), % 17 to 20
12 to 14
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 58.6 to 69.5
82.3 to 87.9
Manganese (Mn), % 0.5 to 2.5
0 to 1.0
Molybdenum (Mo), % 2.0 to 3.0
0 to 0.5
Nickel (Ni), % 11 to 14
0 to 0.75
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030