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AWS BVAg-0 vs. ASTM A387 Grade 21L Class 1

AWS BVAg-0 belongs to the otherwise unclassified metals classification, while ASTM A387 grade 21L class 1 belongs to the iron alloys. There are 15 material properties with values for both materials. Properties with values for just one material (18, in this case) are not shown.

For each property being compared, the top bar is AWS BVAg-0 and the bottom bar is ASTM A387 grade 21L class 1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
190
Poisson's Ratio 0.37
0.29
Shear Modulus, GPa 26
74
Tensile Strength: Ultimate (UTS), MPa 130
500

Thermal Properties

Latent Heat of Fusion, J/g 110
260
Melting Completion (Liquidus), °C 960
1470
Melting Onset (Solidus), °C 960
1430
Specific Heat Capacity, J/kg-K 240
470
Thermal Expansion, µm/m-K 20
13

Otherwise Unclassified Properties

Density, g/cm3 10
7.9

Common Calculations

Stiffness to Weight: Axial, points 3.8
13
Stiffness to Weight: Bending, points 13
24
Strength to Weight: Axial, points 3.4
18
Strength to Weight: Bending, points 5.4
18
Thermal Shock Resistance, points 6.6
14

Alloy Composition

Cadmium (Cd), % 0 to 0.0010
0
Carbon (C), % 0 to 0.0050
0 to 0.1
Chromium (Cr), % 0
2.8 to 3.3
Copper (Cu), % 0 to 0.050
0
Iron (Fe), % 0
94.4 to 96.1
Lead (Pb), % 0 to 0.0020
0
Manganese (Mn), % 0
0.3 to 0.6
Molybdenum (Mo), % 0
0.9 to 1.1
Phosphorus (P), % 0 to 0.0020
0 to 0.025
Silicon (Si), % 0
0 to 0.5
Silver (Ag), % 99.95 to 100
0
Sulfur (S), % 0
0 to 0.025
Zinc (Zn), % 0 to 0.0010
0