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EN 1.7231 Steel vs. AWS BAg-21

EN 1.7231 steel belongs to the iron alloys classification, while AWS BAg-21 belongs to the otherwise unclassified metals. There are 16 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.

For each property being compared, the top bar is EN 1.7231 steel and the bottom bar is AWS BAg-21.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
85
Poisson's Ratio 0.29
0.36
Shear Modulus, GPa 73
31
Tensile Strength: Ultimate (UTS), MPa 790 to 930
150

Thermal Properties

Latent Heat of Fusion, J/g 250
140
Melting Completion (Liquidus), °C 1460
800
Melting Onset (Solidus), °C 1420
690
Specific Heat Capacity, J/kg-K 470
280
Thermal Expansion, µm/m-K 13
19

Otherwise Unclassified Properties

Density, g/cm3 7.8
9.8
Embodied Energy, MJ/kg 20
970

Common Calculations

Stiffness to Weight: Axial, points 13
4.8
Stiffness to Weight: Bending, points 24
15
Strength to Weight: Axial, points 28 to 33
4.2
Strength to Weight: Bending, points 24 to 27
6.4
Thermal Shock Resistance, points 23 to 27
6.6

Alloy Composition


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Carbon (C), % 0.38 to 0.45
0
Chromium (Cr), % 0.8 to 1.2
0
Copper (Cu), % 0
27.5 to 29.5
Iron (Fe), % 96.4 to 98.1
0
Manganese (Mn), % 0.6 to 1.0
0
Molybdenum (Mo), % 0.15 to 0.3
0
Nickel (Ni), % 0
2.0 to 3.0
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.6
0
Silver (Ag), % 0
62 to 64
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
5.0 to 7.0
Residuals, % 0
0 to 0.15