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AWS BVAg-30 vs. S43940 Stainless Steel

AWS BVAg-30 belongs to the otherwise unclassified metals classification, while S43940 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-30 and the bottom bar is S43940 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 86
200
Poisson's Ratio 0.36
0.28
Shear Modulus, GPa 31
77
Tensile Strength: Ultimate (UTS), MPa 170
490

Thermal Properties

Latent Heat of Fusion, J/g 140
280
Melting Completion (Liquidus), °C 810
1440
Melting Onset (Solidus), °C 810
1400
Specific Heat Capacity, J/kg-K 280
480
Thermal Expansion, µm/m-K 19
10

Otherwise Unclassified Properties

Density, g/cm3 10
7.7

Common Calculations

Stiffness to Weight: Axial, points 4.7
14
Stiffness to Weight: Bending, points 14
25
Strength to Weight: Axial, points 4.7
18
Strength to Weight: Bending, points 6.7
18
Thermal Shock Resistance, points 7.6
18

Alloy Composition

Cadmium (Cd), % 0 to 0.0010
0
Carbon (C), % 0 to 0.0050
0 to 0.030
Chromium (Cr), % 0
17.5 to 18.5
Copper (Cu), % 25.5 to 28.5
0
Iron (Fe), % 0
78.2 to 82.1
Lead (Pb), % 0 to 0.0020
0
Manganese (Mn), % 0
0 to 1.0
Niobium (Nb), % 0
0.3 to 0.6
Palladium (Pd), % 4.5 to 5.5
0
Phosphorus (P), % 0 to 0.0020
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Silver (Ag), % 67 to 69
0
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0
0.1 to 0.6
Zinc (Zn), % 0 to 0.0010
0