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EN 1.7390 Steel vs. AWS BAg-9

EN 1.7390 steel belongs to the iron alloys classification, while AWS BAg-9 belongs to the otherwise unclassified metals. There are 16 material properties with values for both materials. Properties with values for just one material (19, in this case) are not shown.

For each property being compared, the top bar is EN 1.7390 steel and the bottom bar is AWS BAg-9.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
82
Poisson's Ratio 0.29
0.35
Shear Modulus, GPa 74
31
Tensile Strength: Ultimate (UTS), MPa 710
140

Thermal Properties

Latent Heat of Fusion, J/g 260
130
Melting Completion (Liquidus), °C 1460
720
Melting Onset (Solidus), °C 1420
670
Specific Heat Capacity, J/kg-K 470
290
Thermal Expansion, µm/m-K 13
20

Otherwise Unclassified Properties

Density, g/cm3 7.8
9.6
Embodied Energy, MJ/kg 23
980

Common Calculations

Stiffness to Weight: Axial, points 14
4.8
Stiffness to Weight: Bending, points 25
15
Strength to Weight: Axial, points 25
4.1
Strength to Weight: Bending, points 23
6.3
Thermal Shock Resistance, points 20
6.0

Alloy Composition

Carbon (C), % 0 to 0.18
0
Chromium (Cr), % 4.0 to 6.0
0
Copper (Cu), % 0
19 to 21
Iron (Fe), % 91.9 to 95.3
0
Manganese (Mn), % 0.3 to 0.8
0
Molybdenum (Mo), % 0.45 to 0.65
0
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.4
0
Silver (Ag), % 0
64 to 66
Sulfur (S), % 0 to 0.015
0
Zinc (Zn), % 0
13 to 17
Residuals, % 0
0 to 0.15