S45c birta birta ah waa nooc ka mid ah darajada birta kaarboon dhexdhexaadka ah ee heerka jis oo leh sifooyin farsamo oo wanaagsan codsiyada kala duwan.s45c birta birta ah ee diiray ayaa inta badan lagu isticmaalaa warshado badan sida baabuurta, beeraha, dhismaha iyo mootada.Heerarka birta ee dhexdhexaadka ah waa aisi s35c, aisi s40c, aisi s50c, aisi s55c.Qalabkan, s45c darajada birta ayaa ah sheyga ugu badan ee la isticmaalo.Waxaan ku siin karnaa s45c birta duuban ee kulul ee Wareegga, bar laba jibbaaran, Bar birta lix geesoodka ah;s45c Barafka Wareega ee Birta Qabow, Bar labajibbaaran, bir lix gees leh;s45c bir wareeg ah oo la diiray, s45c bir wareeg ah oo wareeg ah, s45c dhul aan dhexe lahayn iyo bir dhalaalaysa oo dhalaalaya, s45c kulaylka lagu daweeyay birta wareegta ah sida s45c Annealed Steel Bar, s45c Birta Caadiga ah iyo s45c Quenched iyo Heerarka birta Q&T45 , S45c QT birta birta ah).
S45c rogtay, dhulka iyo shafka saxda ah ee la safeeyey waxaa soo saara s45c qabow sawiran ama bir duudduuban kulul si loo helo cabbir sax ah iyo toosnaan ka wanaagsan soo saarista ulaha.Toosintu aad ayay muhiim u tahay in la jeexo mashiinnada CNC.s45c TG&P waxaa loo isticmaalaa in lagu soo saaro shaadh-qaadaha, matoorada xawaaraha sare leh, faashashka faashashka, ulaha pup, iwm.