WCB, e leng khutsufatso ea Weldable Cast B-Grade Carbon Steel, ke tšepe e entsoeng ka carbon e le motsoako oa mantlha. Cast steel ke lentsoe le akaretsang bakeng sa li-alloys tsa tšepe tse thehiloeng ho tšepe tse sebelisetsoang ho hlahisa li-castings tse sa fetoheng eutectic nakong ea ts'ebetso ea ho tiisa. WCB ke nomoro e tloaelehileng ea lisebelisoa bakeng sa li-valve le lisebelisoa tsa tsona.
WCB cast carbon steel (UNS Code J03002) e koahetsoe ke ASTM A216/A216M standard (ASTM A216/A216M Steel Castings, Carbon, E Loketseng Fusion Welding, for High-Temperature Service), e leng tlhaloso e koahelang li-castings tsa carbon steel bakeng sa li-valve, li-fittings, li-flanges le likarolo tse ling tse nang le khatello bakeng sa tšebeletso ea mocheso o phahameng le boleng bo hlokahalang bakeng sa ho kopanya le li-castings tse ling kapa tse entsoeng. likarolo tsa tšepe ka fusion welding. Kereiti e lekanang ea WCB naheng ea China standard ke ZG280-520.
Ho na le lihlopha tse tharo tsa carbon steel tse koahetsoeng ka litlhaloso tsa ASTM A216 / A216M, WCA (UNS J02502), WCB le WCC (UNS J02503). Khetho e tla itšetleha ka moralo le maemo a ts'ebeletso, thepa ea mochini, le litšobotsi tsa mocheso o phahameng.
Li-castings tsa WCB li tla fanoa ka mokhoa o kentsoeng, kapa o tloaelehileng, kapa o tloaelehe le ho halefa ho latela ts'ebeliso ea pheletso. WCB e na le ts'ebetso e ntle ea ho chesehela, kahoo litokiso tsa weld li tla hlahlojoa ho latela litekanyetso tsa boleng tse sebelisoang ho hlahloba li-castings tsa WCB.
Carbon steel ke motsoako oa tšepe o entsoeng ka tšepe e nang le carbon e le motsoako o ka sehloohong oa motsoako le likarolo tse ling tse nyenyane. Lahlela litšepe tse nang le khabone e tlase tse nang le khabone e ka tlase ho 0.2%, li akhela litšepe tsa khabone e mahareng tse nang le khabone ea 0.2% ho isa ho 0.5%, 'me li akhela litšepe tse nang le khabone e phahameng tse nang le khabone e fetang 0.5%. Ha litaba tsa khabone li ntse li eketseha, matla le ho thatafala ha tšepe ea carbon e eketseha. Cast carbon steel e na le matla a phahameng, polasetiki le ho tiya, le theko e tlase. E sebelisoa mecheng e boima ho etsa likarolo tse jereng meroalo e boima, joalo ka li-rolling mill stands, hydraulic press bases, joalo-joalo. E sebelisoa likoloing tsa terene ho etsa likarolo tse tlas'a matla a maholo le tšusumetso, joalo ka li-bolster, liforeimi tse mahlakoreng. , mabili le couplers.
