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AISI 329 Stainless Steel vs. AWS E240

Both AISI 329 stainless steel and AWS E240 are iron alloys. They have 86% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is AISI 329 stainless steel and the bottom bar is AWS E240.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17
17
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
77
Tensile Strength: Ultimate (UTS), MPa 710
770

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Melting Completion (Liquidus), °C 1440
1390
Melting Onset (Solidus), °C 1390
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
15
Thermal Expansion, µm/m-K 13
15

Otherwise Unclassified Properties

Base Metal Price, % relative 16
14
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 3.1
3.0
Embodied Energy, MJ/kg 44
42
Embodied Water, L/kg 170
160

Common Calculations

PREN (Pitting Resistance) 30
22
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
28
Strength to Weight: Bending, points 23
24
Thermal Diffusivity, mm2/s 4.3
3.9
Thermal Shock Resistance, points 19
19

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.060
Chromium (Cr), % 23 to 28
17 to 19
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 63.1 to 74
58.6 to 68.4
Manganese (Mn), % 0 to 1.0
10.5 to 13.5
Molybdenum (Mo), % 1.0 to 2.0
0 to 0.75
Nickel (Ni), % 2.0 to 5.0
4.0 to 6.0
Nitrogen (N), % 0
0.1 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030