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AWS BAg-18 vs. ASTM B817 Type II

AWS BAg-18 belongs to the otherwise unclassified metals classification, while ASTM B817 type II belongs to the titanium alloys. There are 17 material properties with values for both materials. Properties with values for just one material (10, 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 AWS BAg-18 and the bottom bar is ASTM B817 type II.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 82
100
Poisson's Ratio 0.36
0.32
Shear Modulus, GPa 30
40
Tensile Strength: Ultimate (UTS), MPa 170
900 to 960

Thermal Properties

Latent Heat of Fusion, J/g 130
400
Melting Completion (Liquidus), °C 720
1580
Melting Onset (Solidus), °C 600
1530
Specific Heat Capacity, J/kg-K 280
550
Thermal Expansion, µm/m-K 19
9.9

Otherwise Unclassified Properties

Density, g/cm3 9.7
4.6
Embodied Carbon, kg CO2/kg material 59
40
Embodied Energy, MJ/kg 930
650

Common Calculations

Stiffness to Weight: Axial, points 4.7
13
Stiffness to Weight: Bending, points 15
34
Strength to Weight: Axial, points 4.9
55 to 58
Strength to Weight: Bending, points 7.0
45 to 47
Thermal Shock Resistance, points 7.7
62 to 66

Alloy Composition

Aluminum (Al), % 0
5.0 to 6.0
Carbon (C), % 0
0 to 0.1
Chlorine (Cl), % 0
0 to 0.2
Copper (Cu), % 28.4 to 31.5
0.35 to 1.0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0
0.35 to 1.0
Nitrogen (N), % 0
0 to 0.040
Oxygen (O), % 0
0 to 0.3
Silicon (Si), % 0
0 to 0.1
Silver (Ag), % 59 to 61
0
Sodium (Na), % 0
0 to 0.2
Tin (Sn), % 9.5 to 10.5
1.5 to 2.5
Titanium (Ti), % 0
82.1 to 87.8
Vanadium (V), % 0
5.0 to 6.0
Residuals, % 0
0 to 0.4