WCB, uas yog lub npe luv ntawm Weldable Cast B-Grade Carbon Steel, yog cov hlau cam khwb cia nrog carbon ua lub ntsiab alloying. Cam khwb cia hlau yog ib lo lus dav dav rau hlau-raws li casting alloys siv los tsim cov castings uas tsis dhau eutectic transformation thaum lub sij hawm solidification txheej txheem. WCB yog cov khoom siv ntau rau cov li qub thiab lawv cov fittings.
WCB cam khwb cia carbon steel (UNS Code J03002) yog them los ntawm ASTM A216 / A216M tus qauv (ASTM A216 / A216M Steel Castings, Carbon, Tsim nyog rau Fusion Vuam, rau Kev Kub Kub Kub), uas cov ntsiab lus npog carbon steel castings rau li qub, fittings, flanges thiab lwm yam siab-muaj qhov chaw rau cov kev pab cuam kub thiab zoo yuav tsum tau rau kev sib dhos nrog lwm yam castings los yog wrought hlau qhov chaw los ntawm fusion vuam. Qib sib npaug ntawm WCB hauv Suav teb tus qauv yog ZG280-520.
Muaj peb qib ntawm carbon steel npog hauv specification ntawm ASTM A216 / A216M, WCA (UNS J02502), WCB thiab WCC (UNS J02503). Kev xaiv yuav nyob ntawm tus qauv tsim thiab kev pabcuam, cov khoom siv kho tshuab, thiab cov yam ntxwv ntawm qhov kub thiab txias.
Castings ntawm WCB yuav tsum tau muab tso rau hauv lub annealed, los yog normalized, los yog normalized thiab tempered raws li qhov kawg siv. WCB muaj qhov zoo weldability, yog li cov kev kho vuam yuav tsum raug tshuaj xyuas rau tib cov qauv zoo uas siv los tshuaj xyuas WCB castings.
Carbon steel yog hlau-raws li casting alloy nrog carbon raws li lub ntsiab alloying ntsiab thiab ib tug me me ntawm lwm yam ntsiab. Casting low-carbon steels nrog carbon cov ntsiab lus tsawg dua 0.2%, cam khwb cia nruab nrab-carbon steels nrog cov ntsiab lus ntawm 0.2% mus rau 0.5%, thiab cam khwb cia high-carbon steels nrog cov ntsiab lus carbon ntau dua 0.5%. Raws li cov ntsiab lus carbon nce, lub zog thiab hardness ntawm cam khwb cia carbon steel nce. Cam khwb cia carbon steel muaj lub zog siab, plasticity thiab toughness, thiab tus nqi qis. Nws yog siv rau hauv cov tshuab hnyav los tsim cov khoom uas dais hnyav, xws li dov zeb stands, hydraulic xovxwm bases, thiab lwm yam. Nws yog siv nyob rau hauv railway tsheb los tsim cov khoom uas yuav raug rau lub zog loj thiab cuam tshuam, xws li bolsters, sab ncej. , log thiab couplers.
