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AWS E33-31 vs. AWS BAg-7

AWS E33-31 belongs to the iron alloys classification, while AWS BAg-7 belongs to the otherwise unclassified metals. There are 17 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is AWS E33-31 and the bottom bar is AWS BAg-7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
83
Poisson's Ratio 0.27
0.34
Shear Modulus, GPa 81
31
Tensile Strength: Ultimate (UTS), MPa 810
150

Thermal Properties

Latent Heat of Fusion, J/g 320
130
Melting Completion (Liquidus), °C 1380
650
Melting Onset (Solidus), °C 1330
620
Specific Heat Capacity, J/kg-K 480
290
Thermal Expansion, µm/m-K 14
20

Otherwise Unclassified Properties

Density, g/cm3 7.9
9.3
Embodied Carbon, kg CO2/kg material 6.0
55
Embodied Energy, MJ/kg 86
860

Common Calculations

Stiffness to Weight: Axial, points 14
4.9
Stiffness to Weight: Bending, points 25
16
Strength to Weight: Axial, points 28
4.5
Strength to Weight: Bending, points 24
6.7
Thermal Shock Resistance, points 19
6.4

Alloy Composition

Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 31 to 35
0
Copper (Cu), % 0.4 to 0.8
21 to 23
Iron (Fe), % 24.7 to 34.8
0
Manganese (Mn), % 2.5 to 4.0
0
Molybdenum (Mo), % 1.0 to 2.0
0
Nickel (Ni), % 30 to 32
0
Nitrogen (N), % 0.3 to 0.5
0
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.9
0
Silver (Ag), % 0
55 to 57
Sulfur (S), % 0 to 0.010
0
Tin (Sn), % 0
4.5 to 5.5
Zinc (Zn), % 0
15 to 19
Residuals, % 0
0 to 0.15