Steel for manufacture of a piece of Cold formed steel by plastic deformation, Process for the manufacture of said Piece, piece in cold formed SteelAnd hot rolled Steel Product

摘要

Steel for manufacture of a piece of Steel formed by plastic deformation which includes chemical composition, the following values in left-hand C between 0.03 and weight: 0.16, MN between 0,5 and 2, IF entre0,05 CR between 0 and 0.5, and 1.8, moent between 0 and 0.25, between 0.001 and 0.05, 0.001 y0,05 between you, between 0 and 0.15 V, B between 0.0005 and 0.005 and 0.004, between between 0.001 0.012, s 0,09 eventually to 0.005 to 0.01 Calcium hasta0,04 Tellurium, Selenium, 0.3; Lead or iron and Impurities as the rest of the preparation,Satisfying the chemical composition of the Steel, in addition, Relations: 0.9 x Mn + CR + Mo + V 1.3 x 1.6 x greater than or equal to 2.2% and + ti greater than or equal to 3.5 X N.Procedure for the manufacture of a Steel Piece formed by plastic deformation in cold. A product of the hot rolled Steel.