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AWS E630 vs. AWS BAg-7

AWS E630 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 (9, in this case) are not shown.

For each property being compared, the top bar is AWS E630 and the bottom bar is AWS BAg-7.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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