| Alloy |
UNS NO. |
DIN/EN |
Commercial grades |
Basic introduction |
| Alloy660 |
UNS S66286 |
1.4980
1.4944
X6NiCrTiMoVB25-15-2 |
IncoloyA286 |
Alloy660 is a Fe-25Ni-15Cr-based superalloy, which is comprehensively strengthened with molybdenum, titanium, aluminum, vanadium and trace boron. It has high yield strength and durable, creep strength below 650°C, and has good processing plasticity and satisfactory welding performance. It is suitable for the manufacture of high-temperature load-bearing parts of aero engines that work for a long time below 650°C, such as turbine discs, press discs, rotor blades and fasteners. |
| Alloy926 |
UNS N08926 |
1.4529
X1NiCrMoCuN25-20-7 |
Incoloy25-6Mo |
Alloy926 has excellent corrosion resistance, including resistance to localized corrosion phenomena such as crevice corrosion, pitting or chloride stress corrosion cracking. Alloy926 is suitable for use in work areas where chloride, salt and dilute sulphuric or phosphoric acid or seawater are used. |
| AL6XN |
UNS N08367 |
|
Incoloy25-6HN |
AL-6XN is 6% molybdenum ultra-austenitic stainless steel, and is thermally stable and resistant to internal stress corrosion cracking caused by nitrogen and its high nickel. AL-6XN alloy is significantly stronger and more resistant to corrosion in most environments than conventional austenitic stainless steels such as AISI 304 or 316L. Typical applications include welded tube heat exchangers for chemical processing and marine applications and desalination systems, coal-fired power plants for flue gas desulfurization plants, and reaction vessels for pharmaceutical production. |
|
UNS S31277 |
|
Incoloy27-7Mo |
S31277 stainless steel is a 7% molybdenum super austenitic stainless steel that has corrosion resistance and is better than 6% molybdenum ultra-austenitic stainless steel in most environments. S31277 has excellent resistance to pitting and crevice corrosion. Nickel, nitrogen, and molybdenum are resistant to reducing media, while high levels of chromium are resistant to oxidizing media. S31277 is primarily used in the pollution control, power, marine, chemical processing, pulp and paper, and oil and gas industries. |
| Alloy20 |
UNS N08020 |
2.4660
NiCr20CuMo |
Incoloy020 |
Alloy20 has a lot of excellent performance corrosion resistance alloy, has good resistance to oxidation and moderate reducing corrosion, has excellent resistance to stress corrosion cracking and good local corrosion resistance, and has satisfactory corrosion resistance characteristics in many chemical process media. It is mainly used in hydrometallurgy and sulfuric acid industrial equipment |
| ALLoy28 |
UNS N08028 |
1.4563
X1NiCrMoCuN31-27-4 |
Incoloy028 |
Alloy28 is a high-alloy austenitic stainless steel product performance for various corrosive media. With chromium and molybdenum in its contents, the alloy provides resistance to oxidation and reduction of acids and salts. The presence of copper increases its resistance to sulfuric acid. The alloy is used in the chemical and petrochemical processing industries. Cold-working alloy tubing in moderately corrosive deep sulfur gas wells to high-strength horizontal downhole services. |
| Alloy31 |
UNS N08031 |
1.4562
X1NiCrMoCu32-28-7 |
|
Alloy31 alloy is a nitrogen-containing iron-nickel-chromium-molybdenum alloy. It has excellent resistance to halide corrosion, and also has good resistance to pure sulfuric acid or impure sulfuric acid corrosion at various concentrations and temperatures. In small amounts of aerated industrial sulfuric acid, the alloy also exhibits good corrosion resistance. Alloy31 is suitable for industrial applications such as chemical and petrochemical, environmental engineering and oil and gas production |
| Alloy33 |
UNS R20033 |
1.4591 X1NiCrMoCuN33-32-1 |
|
Alloy33 is a nickel-chromium-iron-molybdenum-copper alloy with excellent corrosion resistance and high strength characteristics. Suitable for a variety of harsh industrial environments. It has a wide range of applications in industries such as chemical and petrochemical, marine engineering, pulp and paper, and pharmaceuticals |
| Alloy330 |
UNS N08330 |
1.4886
1.4864
X12NiCrSi35-16 |
Incoloy330 |
Alloy330 is a high nickel and chromium alloy that provides good resistance to carburizing, oxidation, and nitriding. The 330 is easily welded by all conventional methods. Alloy330 is used in industrial heating furnaces, muffle furnaces, distillation tanks. |
| Alloy800 |
UNS N08800 |
1.4876
X10CrNiAlTi32-21 |
Incoloy800 |
Alloy800 is a construction material widely used in equipment that requires corrosion resistance, heat resistance, high strength and stability in service up to 816°C. Alloy800 is resistant to uniform corrosion and stress corrosion cracking in many aqueous solutions due to its nickel content. At higher temperatures, it provides resistance to oxidation, carburizing, and sulfidation, and has some cracking and creep strength. Alloy800 is used in a variety of environments involving corrosion and high temperatures. It is used in heat treatment equipment such as baskets, trays, jigs, etc. In chemical and petrochemical processes, the alloy is used as a nitric acid medium. In nuclear power plants it is used as a steam generator tube, in the shell of an electric heating element in household appliances. In the petroleum industry, the alloy is used, for example, in the manufacture of heat exchangers for air-cooled process steam. |
| Alloy800H |
UNS N08810 |
1.4958
X5CrNiAlTi32-20 |
Incoloy800H |
Alloy800H is a fully austenitic low-carbon nickel-iron-chromium alloy, and the cobalt content in the alloy can be strictly controlled below 0.01%. Alloy800H can resist many corrosive media. Its high nickel content gives it excellent resistance to stress corrosion cracking in aqueous corrosion conditions. The high chromium content makes it more resistant to pitting corrosion and crevice corrosion cracking. The alloy has good corrosion resistance to nitric acid and organic acids, but has limited corrosion resistance in sulfuric acid and hydrochloric acid. In addition to the possibility of pitting corrosion in halides, there is good corrosion resistance in both oxidizing and non-oxidizing salts. It also has good corrosion resistance in water, vapor and mixtures of steam, air and carbon dioxide. It is used in nitric acid condensers, steam heating tubes, heating element tubes, etc. |
| Alloy800HT |
UNS N08811 |
1.4959 |
Incoloy800HT |
Alloy800HT retains good strength at high temperatures, has high nickel heat-resistant steel with corrosion resistance and oxidation resistance, and maintains high microstructure stability at high temperatures. In addition, the high creep strength is obtained by controlling the grain size and C, Ti and Al content by high-temperature heat treatment. |
| Alloy840 |
UNS S33400 |
|
Incoloy840 |
Alloy840 is an austenitic stainless steel with strong oxidation resistance and chloride resistance to high temperature corrosion, which is suitable for high-grade jacket heater metal tube materials |
| Alloy825 |
UNS N08825 |
2.4858
NiCr21Mo |
Incoloy825 |
Alloy825 is a general-purpose engineering alloy with resistance to acid and alkali metal corrosion in both oxidizing and reducing environments. The high nickel content gives the alloy effective resistance to stress corrosion cracking. It has good corrosion resistance in various media, such as sulfuric acid, phosphoric acid, nitric acid and organic acids, alkali metals such as sodium hydroxide, potassium hydroxide and hydrochloric acid solutions. The high comprehensive performance of Alloy825 is reflected in the nuclear combustion dissolver with various corrosive media, such as sulfuric acid, nitric acid and sodium hydroxide, all processed in the same equipment. Alloy825 is widely used in various industrial fields with a service temperature of no more than 550°C. Such as: heating pipes, containers, baskets and chains for sulfuric acid pickling plants, seawater cooling heat exchangers, marine product piping systems, acid gas environment pipelines, heat exchangers, evaporators, washing and impregnation pipes in phosphoric acid production, air heat exchangers in petroleum refining, food engineering, chemical processes, flame retardant alloys for high-pressure oxygen applications, etc. |
| Alloy925 |
UNS N09925 |
|
Incoloy925 |
Alloy925 is a precipitation-hardenable nickel-iron-chromium alloy with the addition of molybdenum and copper. It combines the high strength of a precipitation-hardenable alloy with the excellent corrosion resistance of Alloy825 alloy. Alloy925 is suitable for industrial environments such as sulfuric acid, phosphoric acid, nitric acid, etc., and is often used in the manufacture of chemical equipment, pumps, valves, pipelines and other components. |
| Alloy901 |
UNS N09901 |
2.4975
NiFeCr12Mo |
Incoloy901 |
Alloy901 is an austenitic age-hardening alloy based on Fe-43Ni-12Cr with the addition of reinforced elements such as titanium, aluminum and molybdenum. Alloy901 has high yield strength and long-lasting strength below 650°C, good oxidation resistance below 760°C, and stable tissue for long-term use. Alloy901 is a relatively mature alloy developed in the early stage, which is widely used in the manufacture of rotating disc parts (turbine discs, compressor discs, shaft journals, etc.), static structural parts, turbine outer rings and fasteners and other parts of aviation and ground gas turbine engines working below 650C. |
| Alloy903 |
UNS N19903 |
|
Incoloy903 |
Alloy903 is a nickel-iron-cobalt-based superalloy reinforced with titanium, niobium and aluminum precipitation, which is characterized by a low coefficient of thermal expansion and an almost constant modulus of elasticity over a wide temperature range. The alloy has high strength, good thermal fatigue performance, welding performance and resistance to high-pressure hydrogen embrittlement. It is suitable for manufacturing a variety of components such as turbine casings and sealing rings for aviation and aerospace engines working below 650 °C, and is an important material for the realization of engine clearance control technology. |
| Alloy907 |
UNS N19907 |
|
Incoloy907 |
Alloy907 is a low-expansion superalloy based on iron-nickel-cobalt, which is comprehensively strengthened with niobium, titanium, silicon and trace boron, and has high strength, low expansion coefficient, good thermal fatigue performance and almost constant elastic modulus below 650°C. The Curie point (inflection point) is 400~450C, and it is ferromagnetic below the Curie point and paramagnetic above the Curie point. The alloy is suitable for the manufacture of various aero engine rings and casings below 650°C and controlling the size of the gap, such as the rear casing of high-pressure compressors, load-bearing rings and heat insulation rings. |
| Alloy890 |
UNS N08890 |
|
Incoloy890 |
Alloy890 is a superalloy material. It has excellent high-temperature strength and oxidation resistance. It is not easy to soften and deform in a high-temperature environment, and can withstand extremely high mechanical stress. At the same time, it has excellent oxidation resistance and is able to resist high-temperature oxidation and corrosion. Alloy890 has a wide range of applications in aerospace, energy, chemical industry and other fields. In the aerospace field, it is often used to manufacture high-temperature components such as turbine blades, gas turbine blades, and combustion chambers. In the energy field, it is often used in the manufacture of petrochemical equipment, nuclear power plant equipment, etc. In the chemical industry, it is often used in the manufacture of chemical reactors, hydrogenators and other equipment |
| Alloy803 |
UNS S35045 |
|
Incoloy803 |
Alloy803 is an iron-nickel-chromium alloy with excellent high temperature corrosion resistance, oxidation resistance, vulcanization and carburizing environments. Alloy803 exhibits excellent stress breaking strength, high resistance to carburizing and cyclic oxidation at high temperatures, and is used in internal diameter fin pyrolysis tubes in ethylene furnaces. |
