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AWS BVAg-18 vs. S44401 Stainless Steel

AWS BVAg-18 belongs to the otherwise unclassified metals classification, while S44401 stainless steel belongs to the iron alloys. There are 17 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.

For each property being compared, the top bar is AWS BVAg-18 and the bottom bar is S44401 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 82
200
Poisson's Ratio 0.36
0.28
Shear Modulus, GPa 30
78
Tensile Strength: Ultimate (UTS), MPa 180
480

Thermal Properties

Latent Heat of Fusion, J/g 140
280
Melting Completion (Liquidus), °C 720
1460
Melting Onset (Solidus), °C 600
1420
Specific Heat Capacity, J/kg-K 280
470
Thermal Expansion, µm/m-K 19
10

Otherwise Unclassified Properties

Density, g/cm3 9.7
7.8
Embodied Carbon, kg CO2/kg material 59
2.9
Embodied Energy, MJ/kg 930
40

Common Calculations

Stiffness to Weight: Axial, points 4.7
14
Stiffness to Weight: Bending, points 15
25
Strength to Weight: Axial, points 5.1
17
Strength to Weight: Bending, points 7.3
18
Thermal Shock Resistance, points 8.1
17

Alloy Composition

Cadmium (Cd), % 0 to 0.0010
0
Carbon (C), % 0 to 0.0050
0 to 0.025
Chromium (Cr), % 0
17.5 to 19.5
Copper (Cu), % 28.5 to 31.5
0
Iron (Fe), % 0
75.1 to 80.6
Lead (Pb), % 0 to 0.0020
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
1.8 to 2.5
Nickel (Ni), % 0
0 to 1.0
Nitrogen (N), % 0
0 to 0.035
Phosphorus (P), % 0 to 0.0020
0 to 0.040
Silver (Ag), % 59 to 61
0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 9.5 to 10.5
0
Titanium (Ti), % 0
0.2 to 0.8
Zinc (Zn), % 0 to 0.0010
0