Square naImiyoboro y'urukiramende, ijambo ryaumuyoboro wa mpandeshatu kare, ari imiyoboro y'icyuma ifite uburebure bungana kandi butangana. Ni agace k'icyuma kazungurutse nyuma y'igikorwa. Muri rusange, icyuma gifunguye, kigapfunyika, kigazunguruka, kigasukwa kugira ngo kibe umuyoboro uzengurutse, hanyuma kikazunguruka kiva mu muyoboro uzengurutse kikajya mu muyoboro wa kare hanyuma kigacibwa ku burebure busabwa.Umuyoboro w'icyuma ufite uburebure bungana ku mpande witwa umuyoboro wa kare, kode F.umuyoboro w'icyumaifite uburebure bungana bw'uruhande yitwa umuyoboro wa kare, kode J.
Umuyoboro wa kare ukurikije uko ukorwa: umuyoboro wa kare udafite imitako ushyushye, umuyoboro wa kare udafite imitako ukonje, umuyoboro wa kare udafite imitako usohoka,umuyoboro wa kare ushongeshejwe.
Dukurikije ibikoresho: umuyoboro wa kare w'icyuma cya karuboni gisanzwe, umuyoboro wa kare w'icyuma gikozwe mu buryo bworoshye
1, icyuma cya karuboni gisanzwe kigabanyijemo: Q195, Q215, Q235, SS400, 20 # icyuma, 45 # icyuma n'ibindi.
2, icyuma gito cy'umuringa gigabanyijemo: Q355, 16Mn, Q390, ST52-3 n'ibindi.
Ibikoresho bikunze gukoreshwa: Q195-215; Q235B
Amahame ngenderwaho yo gushyira mu bikorwa:
GB/T6728-2017, GB/T6725-2017, GB/T3094-2012, JG/T 178-2005, GB/T3094-2012, GB/T6728-2017, GB/T34201-2017
Uburyo bwo gukoresha: Ikoreshwa cyane mu nganda zikora imashini, ubwubatsi, inganda zikora ibyuma, ibinyabiziga by'ubuhinzi, amazu y'ubuhinzi, inganda zikora imodoka, gari ya moshi, inzira zo kurinda imihanda, ibisuguti by'ibikoresho, ibikoresho byo mu nzu, imitako, n'ibibuga by'ibyuma.
Igihe cyo kohereza: Ukuboza-23-2023
