Selemo se Secha se tla tla haufinyane naheng ea rona, kahoo re tla isa thepa ho bareki ba rona pele ho Selemo se Secha. Thepa ea lihlahisoa tse rometsoeng lekhetlong lena e kenyelletsa: 12Cr1MoVg, Q345B, GB/T8162, jj.
Lihlahisoa tse ka sehloohong tsa k'hamphani ea rona li kenyelletsa: SA106B, 20 g, Q345, 12 Cr1MoVG, 15 CrMoG, Cr5Mo, 1 Cr9Mo, 10 CrMo910, A335P5 / P9 / P11 / P12 / P22 / P91 / P92.
Rea u amohela potso ea hau.
Nako ea poso: Pherekhong-14-2021
