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AWS E308H vs. AWS BAg-18

AWS E308H belongs to the iron alloys classification, while AWS BAg-18 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 E308H and the bottom bar is AWS BAg-18.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
82
Poisson's Ratio 0.28
0.36
Shear Modulus, GPa 77
30
Tensile Strength: Ultimate (UTS), MPa 620
170

Thermal Properties

Latent Heat of Fusion, J/g 290
130
Melting Completion (Liquidus), °C 1420
720
Melting Onset (Solidus), °C 1380
600
Specific Heat Capacity, J/kg-K 480
280
Thermal Expansion, µm/m-K 14
19

Otherwise Unclassified Properties

Density, g/cm3 7.8
9.7
Embodied Carbon, kg CO2/kg material 3.2
59
Embodied Energy, MJ/kg 46
930

Common Calculations

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

Alloy Composition

Carbon (C), % 0.040 to 0.080
0
Chromium (Cr), % 18 to 21
0
Copper (Cu), % 0 to 0.75
28.4 to 31.5
Iron (Fe), % 62.9 to 72.5
0
Manganese (Mn), % 0.5 to 2.5
0
Molybdenum (Mo), % 0 to 0.75
0
Nickel (Ni), % 9.0 to 11
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Silver (Ag), % 0
59 to 61
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
9.5 to 10.5
Residuals, % 0
0 to 0.15