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EN 1.8151 Steel vs. AWS BAg-8a

EN 1.8151 steel belongs to the iron alloys classification, while AWS BAg-8a belongs to the otherwise unclassified metals. There are 15 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is EN 1.8151 steel and the bottom bar is AWS BAg-8a.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
83
Poisson's Ratio 0.29
0.36
Shear Modulus, GPa 72
31
Tensile Strength: Ultimate (UTS), MPa 670 to 1940
150

Thermal Properties

Latent Heat of Fusion, J/g 270
140
Melting Completion (Liquidus), °C 1440
770
Melting Onset (Solidus), °C 1400
770
Specific Heat Capacity, J/kg-K 480
290
Thermal Expansion, µm/m-K 13
19

Otherwise Unclassified Properties

Density, g/cm3 7.7
10

Common Calculations

Stiffness to Weight: Axial, points 13
4.6
Stiffness to Weight: Bending, points 25
15
Strength to Weight: Axial, points 24 to 70
4.2
Strength to Weight: Bending, points 22 to 45
6.3
Thermal Shock Resistance, points 20 to 58
6.7

Alloy Composition


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Carbon (C), % 0.4 to 0.5
0
Chromium (Cr), % 0.4 to 0.8
0
Copper (Cu), % 0
26.4 to 28.8
Iron (Fe), % 95.9 to 97.2
0
Lithium (Li), % 0
0.25 to 0.5
Manganese (Mn), % 0.6 to 0.9
0
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 1.3 to 1.7
0
Silver (Ag), % 0
71 to 73
Sulfur (S), % 0 to 0.025
0
Vanadium (V), % 0.1 to 0.2
0
Residuals, % 0
0 to 0.15