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EN 1.1191 Steel vs. AWS BVAu-4

EN 1.1191 steel belongs to the iron alloys classification, while AWS BVAu-4 belongs to the otherwise unclassified metals. There are 15 material properties with values for both materials. Properties with values for just one material (18, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is EN 1.1191 steel and the bottom bar is AWS BVAu-4.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Poisson's Ratio 0.29
0.4
Shear Modulus, GPa 72
41
Tensile Strength: Ultimate (UTS), MPa 630 to 700
190

Thermal Properties

Latent Heat of Fusion, J/g 250
100
Melting Completion (Liquidus), °C 1460
950
Melting Onset (Solidus), °C 1420
950
Specific Heat Capacity, J/kg-K 470
190
Thermal Expansion, µm/m-K 12
14

Otherwise Unclassified Properties

Density, g/cm3 7.8
17

Common Calculations

Stiffness to Weight: Axial, points 13
3.6
Stiffness to Weight: Bending, points 24
9.3
Strength to Weight: Axial, points 22 to 25
3.0
Strength to Weight: Bending, points 21 to 22
4.2
Thermal Shock Resistance, points 20 to 22
8.7

Alloy Composition

Cadmium (Cd), % 0
0 to 0.0010
Carbon (C), % 0.42 to 0.5
0 to 0.0050
Chromium (Cr), % 0 to 0.4
0
Gold (Au), % 0
81.5 to 82.5
Iron (Fe), % 97.3 to 99.08
0
Lead (Pb), % 0
0 to 0.0020
Manganese (Mn), % 0.5 to 0.8
0
Molybdenum (Mo), % 0 to 0.1
0
Nickel (Ni), % 0 to 0.4
17.5 to 18.5
Phosphorus (P), % 0 to 0.035
0 to 0.0020
Silicon (Si), % 0 to 0.4
0
Sulfur (S), % 0 to 0.035
0
Zinc (Zn), % 0
0 to 0.0010