▁the ▁room ▁for ▁m ould ing ▁and ▁casting ▁was ▁completed , ▁as ▁were ▁the ▁clean ing ▁unit ▁and ▁w are house ▁for ▁cast ▁objects , ▁and ▁the ▁cup ola ▁furn aces ▁began ▁running . ▁ ▁By ▁ 1 8 8 1 , ▁the ▁works ▁were ▁converting ▁cast ▁iron ▁into ▁steel ▁in ▁a ▁division ▁that ▁included ▁a ▁p ud d ling ▁o ven , ▁a ▁steam ▁ham mer ▁and ▁rolling ▁mill s ▁able ▁to ▁produce ▁ 4 0 0 0 ▁tons ▁of ▁steel ▁ann ually . ▁In ▁ 1 8 9 6 , ▁the ▁original ▁second ▁furn ace ▁was ▁replaced ▁by ▁a ▁new ▁structure ▁that ▁was ▁ 3 8 0 ▁m 3 ▁in ▁volume ▁and ▁could ▁turn ▁out ▁ 1 2 0 ▁to ▁ 1 4 0 ▁tons ▁of ▁cast ▁iron ▁daily . ▁In ▁ 1 8 9 7 , ▁the ▁C ă lan ▁M ines ▁and ▁Met all ur gy ▁An onymous ▁Society ▁was ▁set ▁up ▁as ▁a ▁joint - stock ▁company ; ▁aside ▁from ▁the ▁C ă lan ▁works , ▁this ▁entity ▁acquired ▁the ▁T eli uc ▁mine ▁and ▁the ▁fact ories ▁at ▁Ru ș chi ța ▁and ▁O ț el u ▁Ro ș u ▁from ▁the ▁Bra ș ov ▁company . ▁ ▁The ▁water ▁supply ▁mechanism ▁introduced ▁in ▁ 1 8 9 9 ▁included ▁a ▁dam ▁on ▁the ▁St rei ▁River , ▁two ▁sl u ice ▁gates , ▁two ▁sett ling ▁bas ins , ▁two ▁in fil tr ation ▁bas ins , ▁a ▁ 2 4 5 0 - m ▁long