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AISI 431 Stainless Steel vs. AWS BVAg-29

AISI 431 stainless steel belongs to the iron alloys classification, while AWS BVAg-29 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 431 stainless steel and the bottom bar is AWS BVAg-29.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
73
Poisson's Ratio 0.28
0.37
Shear Modulus, GPa 77
27
Tensile Strength: Ultimate (UTS), MPa 890 to 1380
180

Thermal Properties

Latent Heat of Fusion, J/g 280
120
Melting Completion (Liquidus), °C 1510
710
Melting Onset (Solidus), °C 1450
620
Specific Heat Capacity, J/kg-K 480
270
Thermal Expansion, µm/m-K 12
20

Otherwise Unclassified Properties

Density, g/cm3 7.7
9.7

Common Calculations

Stiffness to Weight: Axial, points 14
4.2
Stiffness to Weight: Bending, points 25
14
Strength to Weight: Axial, points 32 to 50
5.2
Strength to Weight: Bending, points 27 to 36
7.3
Thermal Shock Resistance, points 28 to 43
8.8

Alloy Composition

Cadmium (Cd), % 0
0 to 0.0010
Carbon (C), % 0 to 0.2
0 to 0.0050
Chromium (Cr), % 15 to 17
0
Copper (Cu), % 0
22.5 to 25.5
Indium (In), % 0
14 to 15
Iron (Fe), % 78.2 to 83.8
0
Lead (Pb), % 0
0 to 0.0020
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 1.3 to 2.5
0
Phosphorus (P), % 0 to 0.040
0 to 0.0020
Silicon (Si), % 0 to 1.0
0
Silver (Ag), % 0
60.5 to 62.5
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
0 to 0.0010