Steel grades
AUSTENITIC STEEL GRADES
| 304, 304L, 1.4301 1.4306, 1.4307, 304LN | Multi-purpose steel grades (for example, food industry equipment, kitchen utensils, shaped steel, interior components, etc.). Equipment affected by organic acids, nuclear industry, tubes, boilers. Structural elements for food and chemical industry. |
| 321, 1.4541 | Heat-exchangers, furnaces for chemical and petrochemical industries. For manufacture of welded devices and equipment used in various industries: tubes, parts of furnace fittings, heat-exchangers, muffles, retorts, exhaust-sytem nozzles and manifolds, spark igniter electrodes. |
| 347, 1.4550 | Heat-exchangers, furnaces, boilers for chemical and petrochemical industry. |
| 316, 1.4401 316L, 1.4404 1.4435 | Structural elements for textile and chemical industry. |
| 316LN 1.4429 | Structures and devices for chemical and pulp industries, tubes, boilers. |
| 316H, 316Ti, 1.4571 ТР316Nb, TP317 TP317L, 1.4438, 1.4466 | Heat-exchangers, furnaces, chemical and petrochemical industries. |
| TP304L, ТР316L with increased resistance to nitric acid by using the technology developed by SPU for thermal treatment in furnaces with a protective atmosphere | Chemical industry, including carbamide production. |
| TP304L, ТР316L with an increased complex of mechanical properties and durability due to the application of Centravis’ technology for heat treatment in furnaces with a protective atmosphere | Automotive industry, as well as operating conditions involving high pressure application. |
HIGH-TEMPERATURE STEEL GRADES
| 310S, 1.4841, 1.4828 304Н, 321Н, 1.4541 347Н, 1.4912, 347HB 347HFG, 1.4908 310N, 1.4952, 310HCbN, 310H 1.4845 | Structures for industrial furnaces, steam boilers and oil refineries, instrument engineering at high operating temperatures up to 950-1000°С. Is used in mechanical engineering and automotive industry. |
FERRITIC AND MARTENSITIC STEEL GRADES
| 405, 410, 410S, 1.4724 | Fixtures, fittings, cutting tools, cutlery, hollow steel, interior decorations. Welded structures, washing machines, bath tubs. |
DUPLEX (AUSTENITIC-FERRITIC) STEEL GRADES
| UNS S32304, 1.4362 UNS S31803, 1.4462 UNS S32750, 1.4410 UNS S32760, 1.4501 | Is used in oil and gas, chemical, power generating and public utility fields of industry. This steel grade has become the most commonly used material for heat-exchangers. |
NICKEL ALLOYS
| UNS S31254 | This steel grade has high chromium, molybdenum and nitrogen content, which is used in high chloride environments, such as: hard water, sea water and other high-chloride process conditions. This grade belongs to high-alloy austenitic stainless steels with low carbon content. |
| 904L, N08904, 1.4539 | This steel grade is used in corrosive conditions, such as: sea water, hard water, condensers, heat-exchangers, gas purifiers. |
| UNS N08800 / 800 UNS N 08810 / 800H UNS N 08811/800HT 1.4876 | High-alloyed nickel alloy used for equipment in petrochemical industry, heat-exchangers and furnaces. |
| UNS N08020 2.4660 | High-alloyed iron-, nickel-, chromium- and molybdenum-base steel grade, which is used for initial sulfuric acid environment application. Moreover, it can be used not only in sulfuric acid environments, but also in other corrosion environments, which require high corrosion resistance, such as: chemical, pharmaceutical and food industries, as well as in pickling processes and flue gas desulfurization systems, etc. |
| UNS N08825, 2.4858, UNS N08028, 1.4563 N06625, 2.4856 (Grade 1 и Grade 2) | High strength in various corrosion-resistant environments, including oxidation and burning hot. Is used in heat-exchanger equipment, as well as in oil and gas industries. |
High-alloy steel grades
| 20Х13 | Components with increased ductility subjected to shock loads (hydraulic press valves, household items), as well as products exposed to impact of low-corrosive environments (atmospheric precipitations, aqueous salt solutions of organic acids at room temperature, etc.). Hydraulic press valves, steam turbine blades, valve discs and seats, piston rings and other components subjected to shock loads and operating at temperatures up to +450-500°C; products exposed to impact of low-corrosive enviroments. |
| 08X13 | Components with increased ductility subjected to shock loads (hydraulic press valves, household items), as well as products exposed to impact of low-corrosive environments (atmospheric precipitations, aqueous salt solutions of organic acids at room temperature, etc.). Blades, shroud rings, pipes, as well as other products, which require oxidation resistance up to +800°C. Ferritic steel grade. |
| 12Х13 | Components with increased ductility subjected to shock loads (hydraulic press valves, household items), as well as products exposed to impact of low-corrosive environments (atmospheric precipitations, aqueous salt solutions of organic acids at room temperature, etc.). Turbine blades, shroud rings, fastening wire, components operating at the temperature +450-500°C; components operating in atmospheric conditions and low-corrosive environments. |
| 12Х17 | Household items and kitchen utensils, plant equipment, components for food and light industry. Steel is not recommended for welded structures manufacture. |
| 08Х22Н6Т | Is recommended as a substitute for steel grades 12X18Н10Т and 08X18Н10Т used for manufacture of welded equipment for chemical, food and other industries, operating at temperatures not higher than 300°С. Has higher strength compared to steel grades 12X18H10T and 08X18H10T. Welded devices and vessels for chemical engineering, combustion chambers and other structural elements of gas turbines, vessel housing, heads, flanges, internal device components, tube plates and bundles operating at temperatures from -70°C to + 300°C, and having contact with corrosive environments. |
| 08Х21Н6М2Т | Is recommended as a substitute for steel grade 10X17H13M2T used for manufacture of components and welded structures operating in high-corrosive environments: acetic acid, sulfuric acid, phosphoric acid environments. Has a higher strength compared to steel 10X17H13M2T. Fractionating columns, extraction, packing and purging tanks, storage basins, receptacles, reservoirs and other equipment, operating in oxidation-reducing environments, for example, in organic synthesis, sulfuric acid manufacture, pulp and paper industry. |
| 10Х14Г14Н4Т | Is recommended as a substitute for steel grade 12X18H10T used for manufacture of equipment operating in low-corrosive environments, as well as at temperatures of -196°C. Has a satisfactory intergranular corrosion resistance. |
| 10Х17Н13М2Т, 10Х17Н13М3Т | Is recommended for manufacture of welded structures operating in the conditions of boiling phosphoric, sulfuric, 10%-acetic acid and sulfurous environments. Devices and vessels operating in high-corrosive environments. Gas-blower blades stamped from sheet steel, rivets made using hot upsetting method, disc, tire and shaft forgings, as well as other compressor components and turbine parts. |
| 08Х17Н15М3Т | Is recommended for manufacture of welded structures operating in the conditions of boiling phosphoric, sulfuric, 10%-acetic acid and sulfurous environments. Almost does not contain any ferrite phase. Has higher pitting corrosion resistance than steel grade 10X17H13M2T in the chlorine ion-containing environments. |
| 03Х17Н14М2 | Is recommended for manufacture of welded structures operating in the conditions of boiling phosphoric, sulfuric, 10%-acetic acid and sulfurous environments. Has higher intergranular and knife-line corrosion resistance than steel grade 08X17H15M3T and 10X17H13M2T. |
| 03Х17Н14М3-ИД | Has higher intergranular and knife-line corrosion resistance than steel grade 08X17H15M3T and 10X17H13M2T. |
| 15Х18Н12С4ТЮ | Is recommended for welded products operating in air and corrosive environments, in particular, for concentrated nitric acid. |
| 08Х10Н20Т2 | Is recommended as non-magnetic steel for manufacture of large-sized components used for sea water service. |
| 03Х18Н11 | Is used for the same purposes as steel grade 08X18H10T, as well as for nitric acid and nitrate environments service at elevated temperatures. Has higher intergranular corrosion resistance and increased knife-line corrosion resistance compared to steel grade 12X18Н12Б. |
| 08Х18Н10Т | Is recommended for manufacture of welded products operating in higher corrosive environments than steel grades 12Х18Н10Т and 12Х18Н12Т. This steel has increased intergranular corrosion resistance in comparison with steel grades 12Х18Н10Т and 12Х18Н12Т. Parts and components for NPGF major equipment and pipelines with water coolant. Welded devices operating in nitric, phosphoric and acetic acid solutions, as well as alkaline and salt solutions, heat-exchangers, muffles, tubes, parts of furnace fittings, automotive products, commercial machinery, consumer goods. |
| 12Х18Н10Т | Parts and units of NPGF major equipment and pipelines with water coolant. Blades, tubes and other components of power engineering, operating at temperatures up to +600°С. Welded devices and vessels operating in diluted nitric, acetic and phosphoric acid solutions, as well as alkaline and salt solutions; adsorber bottoms, regenerators, heat-exchangers, etc. Housings and other pressure components operating at temperatures from -196°C to + 600°C, as well as in corrosive environments - up to +350°C. |
| 02Х22Н5АМ3 | For manufacture of welded pipes and heat-exchanger equipment. |
| 10Х13Г12С2Н2Д2Б (ДИ-59) | Heat-resistant, high-temperature austenitic steel intended for temperature of up to 700°C for equipment components of heat-and-power (boiler heating surfaces pipes for power generating units fired by high-corrosive organic fuels with high content of vanadium, sulfur, etc.), oil refining, petrochemical and other fields of industry. |
| 08Х14МФ 08Х14МФ-Ш | Heat-exchanger tubes and pipes, steel sheets, power equipment forgings, as well as food industry equipment. |
| 12Х18Н9 09Х18Н9 | Is used as reinforced cold-rolled sheet and strip for various components of spot-welded structures, as well as for products subjected to heat treatment (quenching). Welded components and structures for various purposes, furnace muffles, heat-exchanger fastening parts, furnace lining supporting elements. |
| 08Х18Н10 | Is used as reinforced cold-rolled sheet and strip for various components of spot-welded structures, as well as for products subjected to heat treatment (quenching). Parts of thin sheet and strip for automotive industry, commercial engineering, consumer goods, products subjected to quenching, welded devices and vessels for chemical engineering, operating in that types of environments which do not cause intergranular corrosion. |
| 12Х18Н12Т | Parts and components of NPGF major equipment and pipelines with water coolant; superheater and collector tubes for thermal power plants, operating at temperature of +610-640°C. Welded devices and vessels operating in corrosive environments (diluted nitric and phosphoric acid solutions, as well as alkaline and salt solutions). |
| 06ХН28МДТ (ЭИ-943) | For welded structures, operating at temperatures up to 80°C in sulfuric acid of various concentrations, except for 55%-acetic and phosphoric acids, in sulfuric and sulfurous environments, as well as in manufacture of complex mineral fertilizers. |
| 10Х23Н18 20Х23Н18 | Tubes and parts for methane conversion and pyrolysis facilities, steel sheet components. |
| 10Х15Н9С3Б1-Ш 02Х25Н22АМ2 | Parts of facilities for chemical and petroleum industries, gas pipelines, combustion chambers (can be used for heating resistance elements). |
IRON-NICKEL-BASE ALLOYS
| ХН32Т | Gas discharge tubes, sheet parts of high-temperature installations for petrochemical engineering with long service life at temperatures of +700-850°C. |
| ХН35ВТ | Gas turbine blades, wheels, rotors, fastening elements, flat springs and other components operating at temperatures up to +650°C. |
| ХН45Ю | Parts of burners, thermowells, sheet and tubular parts of furnaces (for example, expanded perlite manufacture). |
NICKEL-BASE ALLOYS
| 46ХНМ (ЭП-630) ХН60ВТ ХН60ВТ-ВД | Sheet parts of turbines, parts of gas pipeline systems, flame tubes, combustion chamber parts, seals and other components of high-temperature gas turbines. |
| ХН65МВУ | Is used for manufacture of welded structures operating at elevated temperatures in corrosive oxidation-reducing environments (sulfuric and acetic acids, wet chlorine, chlorides, etc.). This alloy is resistant to intergranular corrosion in corrosive environments. |
| Н70МФВ | Is used for manufacture of welded structures operating at high temperatures in hydrochloric, sulfuric and phosphoric acids, as well as other reducing environments. This alloy is resistant to intergranular corrosion in reducing-nature corrosive environments. |
| ХН77ТЮР | Gas discs and turbine operating blades. |
| ХН78Т | Flame tubes, gas pipeline parts, rolled section steel components. |
