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AWS BVAg-8b vs. AISI 309 Stainless Steel

AWS BVAg-8b belongs to the otherwise unclassified metals classification, while AISI 309 stainless steel belongs to the iron alloys. 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 AWS BVAg-8b and the bottom bar is AISI 309 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 84
200
Poisson's Ratio 0.36
0.27
Shear Modulus, GPa 31
78
Tensile Strength: Ultimate (UTS), MPa 170
600 to 710

Thermal Properties

Latent Heat of Fusion, J/g 140
290
Melting Completion (Liquidus), °C 800
1450
Melting Onset (Solidus), °C 780
1400
Specific Heat Capacity, J/kg-K 280
480
Thermal Expansion, µm/m-K 19
15

Otherwise Unclassified Properties

Density, g/cm3 10
7.8

Common Calculations

Stiffness to Weight: Axial, points 4.7
14
Stiffness to Weight: Bending, points 15
25
Strength to Weight: Axial, points 4.7
21 to 25
Strength to Weight: Bending, points 6.8
20 to 23
Thermal Shock Resistance, points 7.6
14 to 16

Alloy Composition

Cadmium (Cd), % 0 to 0.0010
0
Carbon (C), % 0 to 0.0050
0 to 0.2
Chromium (Cr), % 0
22 to 24
Copper (Cu), % 26.8 to 29.2
0
Iron (Fe), % 0
58 to 66
Lead (Pb), % 0 to 0.0020
0
Manganese (Mn), % 0
0 to 2.0
Nickel (Ni), % 0.3 to 0.7
12 to 15
Phosphorus (P), % 0 to 0.0020
0 to 0.045
Silicon (Si), % 0
0 to 0.75
Silver (Ag), % 70.5 to 72.5
0
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 0 to 0.0010
0