Biraha birta aashitada u adkaysta oo leh iska caabbinta daxalka wanaagsan ee jawiga, aashitada, alkali, milixda ama warbaahinta kale ee daxalka. Birta u adkaysata aashitada waxay leedahay xasilooni kiimikaad sare leh iyo sifooyin farsamo oo wanaagsan.
1). Qalabka: 09CrCuSb, LGN1, Q315N, Q345NS, sida looga baahan yahay macmiilka
2). Xirxirida: baakadaha caadiga ah ee badda u qalma
3). Daaweynta dusha sare: feeray, alxanka, rinji ama sida looga baahan yahay macaamilka
4). Dhumucda: 1-100mm, si waafaqsan shuruudaha macmiilka
5). Ballaca: 1000mm-4000mm
6). Dhererka: 3000mm-18800mm
Waxaa jira noocyo badan iyo hanti kala duwan. Sida laga soo xigtay ururka, waxa loo qaybin karaa birta ahama ferritic, austenitic ahama, austenitic-ferritic ahama duplex, martensitic ahama birta, roobab adag adkaynaya ahama, iwm Inta badan waxaa loo isticmaalaa in lagu soo saaro qaybo ka shaqeeya warbaahinta daxalka kala duwan.
Birta u adkaysata aashitada waxa loo qaybin karaa saddex qaybood iyadoo loo eegayo ururkeeda:
(1) Austenitic steel steel, kaas oo leh iska caabin daxalka wanaagsan, xoog gaar ah iyo adayg wanaagsan;
(2) Ferritic steel steel, caabbinta daxalka ayaa xoogaa ka sii daran, laakiin waxay leedahay iska caabin oksaydh oo wanaagsan;
(3) Biraha birta ah ee Martensitic, kaas oo leh iska caabin liidata laakiin waxqabadka wanaagsan ee xoogga leh, wuxuu soo saari karaa qaybo leh shuruudaha waxqabadka farsamada sare iyo iska caabbinta daxalka hooseeya.
Marka loo eego isticmaalkooda waxa loo qaybin karaa laba kooxood:
Kooxda koowaad waa birta aan la taaban karin, taas oo ah, birta iska caabin karta daxalka hawada, waxaana inta badan loo isticmaalaa soo saarista marawaxadaha uumiga, qalabka wax lagu cabbiro, qalabka caafimaadka, mindiyaha goynta, alaabta miiska, iwm;
Kooxda labaad waa birta u adkaysata aashitada, taas oo ah, birta iska caabin karta daxalka ee warbaahinta kala duwan ee gardarrada ah, waxaana inta badan loo isticmaalaa samaynta qalabka samaynta aashitada, qalabka urea, qalabka xakamaynta markabka, iyo qalabka hagidda.
Birta aashitada u adkaysata waxay leedahay iska caabin daxalka oo wanaagsan, sifooyin farsamo oo ku habboon, habaysan qabow iyo kulayl wanaagsan iyo alxanka iyo sifooyinka kale ee tignoolajiyada.
Birta u adkeysata aashitada waxaa inta badan loo adeegsadaa soo saarida marawaxadaha marawaxadaha uumiga ah, agabka cabbiraadda, qalabka caafimaadka, qalabka wax lagu gooyo, alaabta miiska, qalabka aashitada sameysa, qalabka urea, qalabka xakameynta markabka, qalabka hagidda, iwm.
Sida warshadaha alaabta biraha ee China keentay shirkadaha, ganacsiga birta qaranka iyo saadka "Boqol ganacsi iimaan wanaagsan", shirkadaha ganacsiga birta Shiinaha, "Top 100 shirkadaha gaarka loo leeyahay ee Shanghai". Shanghai Zhanzhi warshadaha Group Co., Ltd., (gaaban in Zhanzhi Group ) waxay qaadataa "Integrity, Practicity, Innovation, Win-Win" oo ah mabda'a hawlgalka kaliya, had iyo jeer waxay ku adkeystaan gelinta baahida macaamiisha meesha ugu horeysa.