Gr.70n Busin Zobe da aka fara amfani da shi don sabis na matsin lamba
Wasu daga cikin aikace-aikacen da keta suna tsara iko, masana'antu da masana'antar takarda, kashe masana'antar hako mai, sunadarai na gargajiya da magunguna. Sauran aikace-aikacen inda aka samo an yi amfani da shi sune masu ɗaukar hoto, kayan gas, kayan aikin sunadarai, kayan aikin ruwa, kayan aikin pharmaceutut da masu musayar ruwa.
Astm A515 ƙayyadadden ƙayyadaddun zanen itacen ƙarfe na carbon silpon karfe da farko don matsakaiciyar zafin jiki da kuma manyan zafin jiki a cikin wedial. Ana samun zanen gado a cikin maki uku tare da azuzuwan ƙarfi daban-daban: aji 60; Sa 65; da aji 70. Ya kamata a kashe karfe kuma ya yi girman girman hatsi. Astm A515 aji 70 (A515GR70) An yi amfani da faranti na jirgin ruwa da faranti, boilers, tankuna, tankuna na ajiya a cikin ayyukan mai da gas.