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AWS E309H vs. AWS BAg-2

AWS E309H belongs to the iron alloys classification, while AWS BAg-2 belongs to the otherwise unclassified metals. 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 E309H and the bottom bar is AWS BAg-2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
82
Poisson's Ratio 0.27
0.32
Shear Modulus, GPa 78
31
Tensile Strength: Ultimate (UTS), MPa 620
180

Thermal Properties

Latent Heat of Fusion, J/g 300
130
Melting Completion (Liquidus), °C 1410
700
Melting Onset (Solidus), °C 1370
610
Specific Heat Capacity, J/kg-K 480
310
Thermal Expansion, µm/m-K 14
22

Otherwise Unclassified Properties

Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 3.7
35
Embodied Energy, MJ/kg 52
550

Common Calculations

Stiffness to Weight: Axial, points 14
5.1
Stiffness to Weight: Bending, points 25
16
Strength to Weight: Axial, points 22
5.6
Strength to Weight: Bending, points 21
7.9
Thermal Shock Resistance, points 16
7.0

Alloy Composition

Cadmium (Cd), % 0
17 to 19
Carbon (C), % 0.040 to 0.15
0
Chromium (Cr), % 22 to 25
0
Copper (Cu), % 0 to 0.75
25 to 27
Iron (Fe), % 55.8 to 65.5
0
Manganese (Mn), % 0.5 to 2.5
0
Molybdenum (Mo), % 0 to 0.75
0
Nickel (Ni), % 12 to 14
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Silver (Ag), % 0
34 to 36
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
19 to 23
Residuals, % 0
0 to 0.15