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AISI 329 Stainless Steel vs. AWS BAg-8

AISI 329 stainless steel belongs to the iron alloys classification, while AWS BAg-8 belongs to the otherwise unclassified metals. There are 15 material properties with values for both materials. Properties with values for just one material (20, 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 BAg-8.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
84
Poisson's Ratio 0.27
0.36
Shear Modulus, GPa 80
31
Tensile Strength: Ultimate (UTS), MPa 710
150

Thermal Properties

Latent Heat of Fusion, J/g 300
140
Melting Completion (Liquidus), °C 1440
780
Melting Onset (Solidus), °C 1390
780
Specific Heat Capacity, J/kg-K 480
280
Thermal Expansion, µm/m-K 13
19

Otherwise Unclassified Properties

Density, g/cm3 7.7
10

Common Calculations

Stiffness to Weight: Axial, points 15
4.6
Stiffness to Weight: Bending, points 25
14
Strength to Weight: Axial, points 25
4.1
Strength to Weight: Bending, points 23
6.2
Thermal Shock Resistance, points 19
6.7

Alloy Composition

Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 23 to 28
0
Copper (Cu), % 0
26.9 to 29
Iron (Fe), % 63.1 to 74
0
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 1.0 to 2.0
0
Nickel (Ni), % 2.0 to 5.0
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.75
0
Silver (Ag), % 0
71 to 73
Sulfur (S), % 0 to 0.030
0
Residuals, % 0
0 to 0.15