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AWS E312 vs. AWS BVAg-8b

AWS E312 belongs to the iron alloys classification, while AWS BVAg-8b belongs to the otherwise unclassified metals. There are 15 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is AWS E312 and the bottom bar is AWS BVAg-8b.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
84
Poisson's Ratio 0.27
0.36
Shear Modulus, GPa 80
31
Tensile Strength: Ultimate (UTS), MPa 740
170

Thermal Properties

Latent Heat of Fusion, J/g 310
140
Melting Completion (Liquidus), °C 1410
800
Melting Onset (Solidus), °C 1360
780
Specific Heat Capacity, J/kg-K 480
280
Thermal Expansion, µm/m-K 15
19

Otherwise Unclassified Properties

Density, g/cm3 7.7
10

Common Calculations

Stiffness to Weight: Axial, points 15
4.7
Stiffness to Weight: Bending, points 25
15
Strength to Weight: Axial, points 27
4.7
Strength to Weight: Bending, points 24
6.8
Thermal Shock Resistance, points 18
7.6

Alloy Composition

Cadmium (Cd), % 0
0 to 0.0010
Carbon (C), % 0 to 0.15
0 to 0.0050
Chromium (Cr), % 28 to 32
0
Copper (Cu), % 0 to 0.75
26.8 to 29.2
Iron (Fe), % 52.3 to 63.5
0
Lead (Pb), % 0
0 to 0.0020
Manganese (Mn), % 0.5 to 2.5
0
Molybdenum (Mo), % 0 to 0.75
0
Nickel (Ni), % 8.0 to 10.5
0.3 to 0.7
Phosphorus (P), % 0 to 0.040
0 to 0.0020
Silicon (Si), % 0 to 1.0
0
Silver (Ag), % 0
70.5 to 72.5
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
0 to 0.0010