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S31254 Stainless Steel vs. AWS E316LMn

Both S31254 stainless steel and AWS E316LMn are iron alloys. They have a moderately high 94% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is S31254 stainless steel and the bottom bar is AWS E316LMn.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
23
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
79
Tensile Strength: Ultimate (UTS), MPa 720
620

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1420
1370
Specific Heat Capacity, J/kg-K 460
470
Thermal Expansion, µm/m-K 17
14

Otherwise Unclassified Properties

Base Metal Price, % relative 28
24
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 5.5
4.6
Embodied Energy, MJ/kg 74
64
Embodied Water, L/kg 190
180

Common Calculations

PREN (Pitting Resistance) 44
32
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 25
22
Strength to Weight: Bending, points 22
20
Thermal Shock Resistance, points 15
15

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.040
Chromium (Cr), % 19.5 to 20.5
18 to 21
Copper (Cu), % 0.5 to 1.0
0 to 0.75
Iron (Fe), % 51.4 to 56.3
47.5 to 59.4
Manganese (Mn), % 0 to 1.0
5.0 to 8.0
Molybdenum (Mo), % 6.0 to 6.5
2.5 to 3.5
Nickel (Ni), % 17.5 to 18.5
15 to 18
Nitrogen (N), % 0.18 to 0.22
0.1 to 0.25
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.8
0 to 0.9
Sulfur (S), % 0 to 0.010
0 to 0.030