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AWS BVAg-8 vs. SAE-AISI 1140 Steel

AWS BVAg-8 belongs to the otherwise unclassified metals classification, while SAE-AISI 1140 steel 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-8 and the bottom bar is SAE-AISI 1140 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 84
190
Poisson's Ratio 0.36
0.29
Shear Modulus, GPa 31
72
Tensile Strength: Ultimate (UTS), MPa 170
600 to 700

Thermal Properties

Latent Heat of Fusion, J/g 140
250
Melting Completion (Liquidus), °C 780
1460
Melting Onset (Solidus), °C 780
1420
Specific Heat Capacity, J/kg-K 280
470
Thermal Expansion, µm/m-K 19
13

Otherwise Unclassified Properties

Density, g/cm3 10
7.8

Common Calculations

Stiffness to Weight: Axial, points 4.6
13
Stiffness to Weight: Bending, points 14
24
Strength to Weight: Axial, points 4.7
21 to 25
Strength to Weight: Bending, points 6.8
20 to 22
Thermal Shock Resistance, points 7.6
18 to 21

Alloy Composition

Cadmium (Cd), % 0 to 0.0010
0
Carbon (C), % 0 to 0.0050
0.37 to 0.44
Copper (Cu), % 27 to 29
0
Iron (Fe), % 0
98.4 to 98.9
Lead (Pb), % 0 to 0.0020
0
Manganese (Mn), % 0
0.7 to 1.0
Phosphorus (P), % 0 to 0.0020
0 to 0.040
Silver (Ag), % 71 to 73
0
Sulfur (S), % 0
0.080 to 0.13
Zinc (Zn), % 0 to 0.0010
0