Steel 15ГС
Designation
Description
15ГС steel is used: for the manufacture of rolled plate, long products and pipe blanks; parts such as bottoms, collar flanges, fittings, rings, tubes, tees and parts of rectangular shape for power equipment and pipelines with an absolute pressure of more than 3.9 MPa and thermal power plants; components for fixed piping of the feed water of boilers SVP, operating at temperatures up to +280 °C; the equipment and pipelines of nuclear power plants (NPP); of billets intended for the manufacture of seamless cold, warm, hot-wrought, including hot-pressed and hot-pressed pipes is reduced, designed for steam boilers and pipelines, installations with high and supercritical steam parameters.
Standards
Chemical composition
Fe is the basis.
According to TU 108.1268-84, the technological addition of rare earth metals is allowed up to 0.20% by calculation.
According to TU 14-1-1529-2003 and TU 14-3-460-2003 for steel produced by scrap process or from cuprous ores, the mass fraction of residual copper and nickel is allowed up to 0.30% of each. A technological addition of rare earth elements is allowed to improve the quality of the metal.
According to TU 14-3R-55-2001, the content of nickel and chromium is allowed to not exceed 0.40% of each. The presence of rare-earth elements introduced as technological additives is allowed.
According to TU 1301-039-00212179-2010 the chemical composition is given for steel grade 15GS-III. The content of each impurity element, not regulated by the table, is allowed up to 0.050%.
According to TU 108-874-2012 the chemical composition is given for steel grade 15GS. The presence of rare-earth elements in steel is not a defective feature. Permissible deviations in chemical composition: carbon ± 0.020%, silicon ± 0.050%, manganese ± 0.10%, chromium ± 0.050%.
According to TU 108.1268-84, the technological addition of rare earth metals is allowed up to 0.20% by calculation.
According to TU 14-1-1529-2003 and TU 14-3-460-2003 for steel produced by scrap process or from cuprous ores, the mass fraction of residual copper and nickel is allowed up to 0.30% of each. A technological addition of rare earth elements is allowed to improve the quality of the metal.
According to TU 14-3R-55-2001, the content of nickel and chromium is allowed to not exceed 0.40% of each. The presence of rare-earth elements introduced as technological additives is allowed.
According to TU 1301-039-00212179-2010 the chemical composition is given for steel grade 15GS-III. The content of each impurity element, not regulated by the table, is allowed up to 0.050%.
According to TU 108-874-2012 the chemical composition is given for steel grade 15GS. The presence of rare-earth elements in steel is not a defective feature. Permissible deviations in chemical composition: carbon ± 0.020%, silicon ± 0.050%, manganese ± 0.10%, chromium ± 0.050%.