ALLOY 1.4547 Plate – 6 Mo Super Austenitic Steel for High‑Corrosion Resistance
The 6 Mo super austenitic steel combines moderate tensile strength and high ductility with excellent corrosion resistance in seawater and variety of industrial environment.
Properties
Dimension
| Property | Value |
|---|---|
Length | 2500 - 6000 mm |
Thickness | 1 - 50 mm |
Width | 1250 - 2000 mm |
Mechanical
| Property | Temperature | Value |
|---|---|---|
Charpy impact energy, V-notch | -46.0 °C | 45 J |
Elongation | 23.0 °C | 35 % |
Hardness, Brinell | 23.0 °C | 310 [-] |
Tensile strength | 23.0 °C | 655 - 850 MPa |
Yield strength Rp0.2 | 23.0 °C | 310 MPa |
Chemical properties
| Property | Value |
|---|---|
Carbon | 0.02 % |
Chromium | 19.5 - 20.5 % |
Copper | 0.5 - 1 % |
Iron | Balance |
Manganese | 1 % |
Molybdenum | 6 - 6.5 % |
Nickel | 17.5 - 18.5 % |
Nitrogen | 0.18 - 0.22 % |
Phosphorus | 0.03 % |
Silicon | 0.8 % |
Sulfur | 0.01 % |
Technological properties
| Property | ||
|---|---|---|
| Application areas | High resistance to general corrosion. Typical applications: Pumps, valves, chokes, pipework/flanges and manifolds in Oil & Gas Industry. | |
| Corrosion properties | Typically the alloy has PREN of 42-44, which ensure that the resistance to pitting corrosion is high. High resistance crevice corrosion. | |
| Heat Treatment | Solution annealing at min 1150°C followed by water quenching | |
| Welding | Very good | |
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