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Hastelloy C22 – the most common steel of hastelloy type, it includes high content of the following alloying additives: chromium (20-22.5%), molybdenum (12.5-14.5%), tungsten(2.5-3.5%). It shows high resistance to general, intergranular, crevice and stress corrosion. It can be characterized by resistance to corrosion under conditions of dead water. It can be used in chemical, power, paper and maritime industry as well as in waste disposal plants. Common commercial names of the alloy: Hastelloy C22,Inconel 22, Nicrofer 5621.

Hastelloy C276 – the alloy consists mostly of nickel (balanced content), molybdenum (15-17%) and chromium (14.5-16.5%). It shows perfect resistance to chemical processes in varying environments, e.g. of high chlorine content as well as resistance to corrosion under severe conditions (e.g. sea water). The steel can be used in cellulose and paper, chemical, food and pharmaceutical industry as well as in waste management plants. Common commercial names: Nickelvac HC-276, Inconel 276, Nicrofer 5716, Hastelloy C276.

Inconel 600 – alloy of high nickel content (min. 72%), chromium (14-17%) and iron (6-10%), belongs to structural materials, shows high resistance to corrosion and heat. It can be characterized with good mechanical properties – high strength and formability. It can be used at high temperatures. It is commonly used in chemical, aviation, power and heating industry. It is basic material used in the production of nuclear reactors. Common commercial names: inconel 600, Nickelvac 600, Ferrochronin 600.

Inconel 625 – alloy mostly containing nickel and chromium. Additional alloying additives are molybdenum and niobium, which provide the steel with refractory properties. It is a very hard non-magnetic material of high durability and resistance to corrosion. It can be characterized by high fatigue strength and resistance to stress corrosion in case of chloride ions. It is used in heating devices, gas turbine engines, pipelines, in chemical industry. Commercial names: inconel 625, Chornin 625, Altemp 625, Nickelvac 625, Hayenes 625, Nicrofer 6020.

Incoloy 800 – the alloy consists of chromium, nickel, iron as well as additives such as titanium, carbon and aluminium. Steel commonly used in the field of structural elements which must manifest high strength and resistance to high temperatures. It is used in the district heating industry for production of industrial furnace elements, in chemical and petrochemical industry for heat exchangers, pipelines. Commercial names: incoloy 800, ferrochronin 800, Nickelvac 800, nicrofer 3220.

Incoloy 825 – alloy of nickel, iron and chromium with addition of copper, molybdenum and titanium. Chemical composition provides strength to factors under various corrosive conditions. It shows resistance to stress, intergranular and crevice corrosion. The material is used in chemical industry, waste disposal plants, gas and petroleum extractive industry, in radioactive waste disposal plants. Commercial names: Incoloy 825, Nickelvac 825, Nicrofer 4241.

Monel 400 – alloy of nickel (67%) and copper (ca. 23%), highly resistant to sea water corrosion and cracking in the environment of fresh water. It maintains very good mechanical properties at low temperatures, it is also adapted to high temperatures up to 537°C. It can be commonly used in constructions and elements related to maritime industry.

Monel K500 – the basic component of the alloy is nickel (minimum 63%) and copper (27-33%). It shows better mechanical properties comparing to Monel 400 because of titanium and aluminium additives. It can be characterized by higher hardness and strength.