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AWS E383 vs. AISI 309S Stainless Steel

Both AWS E383 and AISI 309S stainless steel are iron alloys. They have 72% of their average alloy composition in common. There are 23 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 E383 and the bottom bar is AISI 309S stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 34
42
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 80
78
Tensile Strength: Ultimate (UTS), MPa 580
580

Thermal Properties

Latent Heat of Fusion, J/g 320
290
Melting Completion (Liquidus), °C 1420
1420
Melting Onset (Solidus), °C 1370
1370
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 12
15
Thermal Expansion, µm/m-K 14
16

Otherwise Unclassified Properties

Base Metal Price, % relative 37
19
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 6.4
3.6
Embodied Energy, MJ/kg 89
51
Embodied Water, L/kg 240
170

Common Calculations

PREN (Pitting Resistance) 40
23
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 20
21
Strength to Weight: Bending, points 19
20
Thermal Diffusivity, mm2/s 3.1
4.0
Thermal Shock Resistance, points 15
13

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.080
Chromium (Cr), % 26.5 to 29
22 to 24
Copper (Cu), % 0.6 to 1.5
0
Iron (Fe), % 28.8 to 39.2
58.1 to 66
Manganese (Mn), % 0.5 to 2.5
0 to 2.0
Molybdenum (Mo), % 3.2 to 4.2
0
Nickel (Ni), % 30 to 33
12 to 15
Phosphorus (P), % 0 to 0.020
0 to 0.045
Silicon (Si), % 0 to 0.9
0 to 0.75
Sulfur (S), % 0 to 0.020
0 to 0.030