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AWS E316LMn vs. AISI 440A Stainless Steel

Both AWS E316LMn and AISI 440A stainless steel are iron alloys. They have 72% of their average alloy composition in common. There are 21 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 AWS E316LMn and the bottom bar is AISI 440A stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 23
5.0 to 20
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
77
Tensile Strength: Ultimate (UTS), MPa 620
730 to 1790

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Melting Completion (Liquidus), °C 1420
1480
Melting Onset (Solidus), °C 1370
1370
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 14
10

Otherwise Unclassified Properties

Base Metal Price, % relative 24
9.0
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 4.6
2.2
Embodied Energy, MJ/kg 64
31
Embodied Water, L/kg 180
120

Common Calculations

PREN (Pitting Resistance) 32
18
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
26 to 65
Strength to Weight: Bending, points 20
23 to 43
Thermal Shock Resistance, points 15
26 to 65

Alloy Composition

Carbon (C), % 0 to 0.040
0.6 to 0.75
Chromium (Cr), % 18 to 21
16 to 18
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 47.5 to 59.4
78.4 to 83.4
Manganese (Mn), % 5.0 to 8.0
0 to 1.0
Molybdenum (Mo), % 2.5 to 3.5
0 to 0.75
Nickel (Ni), % 15 to 18
0
Nitrogen (N), % 0.1 to 0.25
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.9
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015