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AWS BAg-18 vs. AWS E309H

AWS BAg-18 belongs to the otherwise unclassified metals classification, while AWS E309H belongs to the iron alloys. There are 17 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is AWS BAg-18 and the bottom bar is AWS E309H.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 82
200
Poisson's Ratio 0.36
0.27
Shear Modulus, GPa 30
78
Tensile Strength: Ultimate (UTS), MPa 170
620

Thermal Properties

Latent Heat of Fusion, J/g 130
300
Melting Completion (Liquidus), °C 720
1410
Melting Onset (Solidus), °C 600
1370
Specific Heat Capacity, J/kg-K 280
480
Thermal Expansion, µm/m-K 19
14

Otherwise Unclassified Properties

Density, g/cm3 9.7
7.8
Embodied Carbon, kg CO2/kg material 59
3.7
Embodied Energy, MJ/kg 930
52

Common Calculations

Stiffness to Weight: Axial, points 4.7
14
Stiffness to Weight: Bending, points 15
25
Strength to Weight: Axial, points 4.9
22
Strength to Weight: Bending, points 7.0
21
Thermal Shock Resistance, points 7.7
16

Alloy Composition

Carbon (C), % 0
0.040 to 0.15
Chromium (Cr), % 0
22 to 25
Copper (Cu), % 28.4 to 31.5
0 to 0.75
Iron (Fe), % 0
55.8 to 65.5
Manganese (Mn), % 0
0.5 to 2.5
Molybdenum (Mo), % 0
0 to 0.75
Nickel (Ni), % 0
12 to 14
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Silver (Ag), % 59 to 61
0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 9.5 to 10.5
0
Residuals, % 0 to 0.15
0