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EN 1.7709 Steel vs. AWS BAu-5

EN 1.7709 steel belongs to the iron alloys classification, while AWS BAu-5 belongs to the otherwise unclassified metals. There are 15 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is EN 1.7709 steel and the bottom bar is AWS BAu-5.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
140
Poisson's Ratio 0.29
0.37
Shear Modulus, GPa 73
50
Tensile Strength: Ultimate (UTS), MPa 650 to 780
210

Thermal Properties

Latent Heat of Fusion, J/g 250
180
Melting Completion (Liquidus), °C 1470
1170
Melting Onset (Solidus), °C 1420
1140
Specific Heat Capacity, J/kg-K 470
280
Thermal Expansion, µm/m-K 11
12

Otherwise Unclassified Properties

Density, g/cm3 7.8
13

Common Calculations

Stiffness to Weight: Axial, points 13
5.8
Stiffness to Weight: Bending, points 24
13
Strength to Weight: Axial, points 23 to 27
4.5
Strength to Weight: Bending, points 21 to 24
6.0
Thermal Shock Resistance, points 22 to 26
9.0

Alloy Composition

Aluminum (Al), % 0 to 0.030
0
Carbon (C), % 0.17 to 0.25
0
Chromium (Cr), % 1.2 to 1.5
0
Gold (Au), % 0
29.5 to 30.5
Iron (Fe), % 95.2 to 97.5
0
Manganese (Mn), % 0.4 to 0.8
0
Molybdenum (Mo), % 0.55 to 0.8
0
Nickel (Ni), % 0 to 0.6
35.5 to 36.4
Palladium (Pd), % 0
33.5 to 34.5
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.4
0
Sulfur (S), % 0 to 0.030
0
Vanadium (V), % 0.2 to 0.35
0
Residuals, % 0
0 to 0.15