U20252

U20252. Gb u20252 gb/t 699 steel was released in 1987 by the miit with the aim of providing ideal steel grade for industrial applications due to the wide array of uses for the metal. Made in china gb 25 25# u20252 4 inches 0.8*245 size low carbon steel strips and coils can be customized

Chemical composition(mass fraction)(wt.%) chemical composition(mass fraction)(wt.%) c(％) si(％) mn(％) p(％) s(％) cr(％) ni(％) cu(%) Proof strength r p0.2 (mpa) tensile strength r m (mpa) impact energy kv(j) elongation at fracture a(%) reduction in cross section on.