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Aperam Alloys Imphy is a worldwide leader in welding alloys in wire rod. Our alloys can be welded using all conventional processes: Brazing, Welding with coated electrodes, Gas arc welding (TIG or MIG), Resistance welding.
IMPHY 625 W shows an outstanding corrosion resistance in various media. Special resistance to pitting and crevice corrosion. Excellent fatigue strength and stress-corrosion cracking resistance to chloride ions. Outstanding resistance to intergranu...
The grade IMPHY 625 is available with variations in chemical composition.
IMPHY 718 is an age-hardenable Nickel Chromium Alloy with a significant amount of Fe, Nb and Mo and containing lesser amounts of Al and Ti. This alloy combines excellent high strength up to 700°C with good corrosion resistance and excellent weldab...
The grade IMPHY 718 is available with variations in chemical composition. Please contact us.
IMPHY N99 has a good mechanical properties within a wide range of temperatures. IMPHY N99 has also a good thermal, electrical and magnetostrictive properties.
IMPHY 617 is used for its high temperature strength up to 950 °C. Excellent resistance to a wide range of high temperature corrosive environments.
The grade IMPHY 617 is available with variations in chemical composition. Please contact us.
IMPHY 22 shows excellent resistance to general corrosion, pitting, crevice corrosion, intergranular attack and stress-corrosion cracking. Optimum resistance to environment where reducing and oxidizing conditions are encountered.
IMPHY 22 MO LF is a variant of the IMPHY 22 for the overlay applications
IMPHY 276 has a good resistance to general corrosion, stress corrosion cracking, pitting and crevice corrosion in a broad range of severe environment. Resistance to carbide precipitation during welding.
IMPHY 82 is a low-carbon low-iron Nickel-Chromium-Niobium alloy which shows: High strength and creep rupture strength at elevated temperatures and good corrosion resistance  
The grade IMPHY 82 is available with variations in chemical composition. Please contact us.
IMPHY 72 is an austenitic Nickel-Chromium alloy. Due to its high Chromium content, it presents an excellent corrosion resistance at high temperature including in severe atmospheres containing Sulphur or Vanadium oxides.
IMPHY 62 is a Nickel –Chromium Alloy with addition of Niobium, with an excellent resistance to high temperature oxidation.
IMPHY 92 is a Nickel-Chromium alloy which shows high strength due to Ti addition that makes it age-hardenable and  good corrosion resistance in a wide range of temperature (cryogenic to 950°C).
IMPHY 686 is an austenitic Alloy for high corrosion resistance which allows outstanding resistance to corrosive media under oxidizing and reducing conditions by the association of its high Chromium level with Molybdenum and Tungsten.
The grade IMPHY 686 is available with variations in chemical composition.
IMPHY 825 shows a particularly high resistance against numerous corrosion environments, and presents an outstanding resistance in pitting and crevice corrosion but also in stress corrosion.
IMPHY NCW is a low carbon low iron Ni Cr Mo alloy, with a composition similar to IMPHY 625 but free of Nb, which shows particular resistant to hot cracking.
IMPHY X is a Nickel-Chromium-Molybdenum alloy. Dissimilar welding of IMPHY X to other Nickel alloys, stainless steels, carbon steels and low-alloy steels. Outstanding strength and oxidation resistance at temperatures up to 1200°C (2200°F)
IMPHY NiCu28 is used for welding of copper-alloys IMPHY NiCu32 or IMPHY NiCu28Al, dissimilar welding between copper-alloys to nickel 200, or surfacing of steels. Similar to Copper-Nickel alloy IMPHY NiCu32: – Very good strength corrosion res...
IMPHY 22-09 is a corrosion resistant duplex stainless steel
IMPHY 25-9-4 is a high alloy Duplex stainless steel (austenitic-ferritic) which shows : – Outstanding resistance to a wide range of highly corrosive media under oxidizing and reducing conditions. – High resistance to erosion corrosion ...

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