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ASTM A387 Grade 22L Class 1 vs. AWS BVAu-8

ASTM A387 grade 22L class 1 belongs to the iron alloys classification, while AWS BVAu-8 belongs to the otherwise unclassified metals. There are 15 material properties with values for both materials. Properties with values for just one material (18, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is ASTM A387 grade 22L class 1 and the bottom bar is AWS BVAu-8.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
100
Poisson's Ratio 0.29
0.42
Shear Modulus, GPa 74
36
Tensile Strength: Ultimate (UTS), MPa 500
140

Thermal Properties

Latent Heat of Fusion, J/g 260
71
Melting Completion (Liquidus), °C 1470
1240
Melting Onset (Solidus), °C 1430
1200
Specific Heat Capacity, J/kg-K 470
140
Thermal Expansion, µm/m-K 13
14

Otherwise Unclassified Properties

Density, g/cm3 7.9
19

Common Calculations

Stiffness to Weight: Axial, points 13
3.0
Stiffness to Weight: Bending, points 24
8.3
Strength to Weight: Axial, points 18
2.1
Strength to Weight: Bending, points 18
3.2
Thermal Shock Resistance, points 14
7.1

Alloy Composition

Cadmium (Cd), % 0
0 to 0.0010
Carbon (C), % 0 to 0.1
0 to 0.0050
Chromium (Cr), % 2.0 to 2.5
0
Gold (Au), % 0
91 to 93
Iron (Fe), % 95.2 to 96.8
0
Lead (Pb), % 0
0 to 0.0020
Manganese (Mn), % 0.3 to 0.6
0
Molybdenum (Mo), % 0.9 to 1.1
0
Palladium (Pd), % 0
7.0 to 9.0
Phosphorus (P), % 0 to 0.025
0 to 0.0020
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.025
0
Zinc (Zn), % 0
0 to 0.0010