Steel production -

This is how our steel is made.


The cen­tre­pie­ce of our pro­duc­tion is a 22-stand con­ti­nuous small-sec­tion rol­ling mill in which ma­te­ri­als of di­ver­se gra­des, pre-hea­ted up to ap­pro­xi­mate­ly 1,200 °C in the wal­king beam fur­nace, are rol­led out to dia­me­ters bet­ween 12 mm and 75 mm. Part of the ma­te­ri­al is al­re­a­dy tem­pe­red in the rol­ling mill uti­li­zing the rol­ling heat. Af­ter coo­ling and cut­ting, the ma­te­ri­al goes to one of our 9 fi­nis­hing li­nes for fur­ther pro­ces­sing.


In the steel bar fi­nis­hing li­nes, our SAH steel bars with dia­me­ters ran­ging from 12 to 40 mm are an­nea­led, strai­gh­te­ned, sa­wed, shot-blas­ted, cham­fe­red and che­cked for sur­face de­fects. Part of the bar ma­te­ri­al is fur­ther re­fi­ned by using pee­ling, strai­gh­ten­ing/polis­hing and grinding, fol­lo­wed by ano­ther sur­face check and/or ul­tra­so­nic tes­ting. Ad­di­tio­nal pro­duc­tion sta­ges com­pri­se sawing in­clu­ding end for­ming, turning, grin­ding, de­bur­ring and ge­ar cut­ting.


Our SAS thre­ad bars with screwa­ble con­ti­nuous co­ar­se threads ran­ging from 12 mm to 75 mm in dia­me­ter are eit­her de­li­ver­ed pre-as­sem­bled or un­der­go ad­di­tio­nal tre­at­ment pro­ces­ses, such as stret­ching fol­lo­wed by an­nea­ling in or­der to pro­du­ce spe­cial gra­des with spe­ci­fic strength va­lues. The screwa­bi­li­ty of the thre­ad bars is che­cked con­ti­nuous­ly.

Part of the ma­te­ri­al is sub­jec­ted to fur­ther in-hou­se pro­ces­sing such as ben­ding, lo­cking and other as­sem­bly steps, which enable us to of­fer our cust­o­m­ers com­ple­te sys­tem so­lu­ti­ons.

The re­qui­red ac­cess­ories are al­so pro­du­ced in-hou­se using va­rious gang dril­ling ma­chi­nes, whir­ling ma­chi­nes and CNC la­thes.