Itangazo ry’umukiriya w’inyangamugayo wa Ekwateri rya Toni 258 z’ibyuma ryarangiye

Isahani y'icyuma ifite imbaraga nke ya niobium-vanadium A572Gr50

UBUSABIZI

Isahani y'icyuma ifite ubugari bwa mm 8-300 A572Gr50 ikoreshwa cyane mu nyubako z'ubuhanga, nko mu nyubako z'ibyuma, mu mashini z'ubwubatsi, mu mashini zicukura amabuye y'agaciro, mu makamyo, mu biraro, mu bwato bukoresha umuvuduko, nibindi, cyane cyane ku bikoresho bisaba ubushuhe bwiza no gukomera kw'ibice by'imashini z'ubwubatsi n'iz'ubwubatsi.

Ibipimo ngenderwaho by'ubuyobozi

Igipimo ngenderwaho cy'ubuyobozi: ASTM A572/A572M.

Ibisobanuro

Ubugari bwa mm 8-300, bushobora gukosorwa uburebure n'ubugari bikosorwa.

Ibikoresho bya shimi

Icyapa cy'icyuma gifite imbaraga nkeya cya A572Gr50 cyakoreshejwe cyane mu bwubatsi bw'ibyuma, imashini z'ubwubatsi n'izindi nyubako z'ibyuma, kandi cyoherejwe muri Koreya y'Epfo, Tayiwani n'ahandi, kandi umubare w'ibyoherezwa mu mahanga wageze kuri toni zirenga 10.000.

A572GR igabanyijemo ibice bitanu: 42 (290), 50 (345), 55 (380) zikwiriye gukoreshwa mu gukurura, gukurura cyangwa gusudira ibice by'imiterere, 60 (415) na 65 (450) bikoreshwa mu gukurura ibice by'imirongo n'ibiraro. Ibice by'imiterere bikurura cyangwa ibice by'imiterere bikurura ku bindi bikorwa.