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AWS BAg-7 vs. AWS E630

AWS BAg-7 belongs to the otherwise unclassified metals classification, while AWS E630 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-7 and the bottom bar is AWS E630.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 83
190
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 31
76
Tensile Strength: Ultimate (UTS), MPa 150
1040

Thermal Properties

Latent Heat of Fusion, J/g 130
280
Melting Completion (Liquidus), °C 650
1430
Melting Onset (Solidus), °C 620
1380
Specific Heat Capacity, J/kg-K 290
470
Thermal Expansion, µm/m-K 20
14

Otherwise Unclassified Properties

Density, g/cm3 9.3
7.8
Embodied Carbon, kg CO2/kg material 55
2.8
Embodied Energy, MJ/kg 860
40

Common Calculations

Stiffness to Weight: Axial, points 4.9
14
Stiffness to Weight: Bending, points 16
25
Strength to Weight: Axial, points 4.5
37
Strength to Weight: Bending, points 6.7
29
Thermal Shock Resistance, points 6.4
28

Alloy Composition

Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0
16 to 16.8
Copper (Cu), % 21 to 23
3.3 to 4.0
Iron (Fe), % 0
71.6 to 75.9
Manganese (Mn), % 0
0.25 to 0.75
Molybdenum (Mo), % 0
0 to 0.75
Nickel (Ni), % 0
4.5 to 5.0
Niobium (Nb), % 0
0.15 to 0.3
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 0.75
Silver (Ag), % 55 to 57
0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 4.5 to 5.5
0
Zinc (Zn), % 15 to 19
0
Residuals, % 0 to 0.15
0