Dab tsi yog qhov txawv ntawm SA 210 GR A1 thiab SA 179?
ASTM A 179 muaj Sulfur thiab Phosphorus ntau dua li ASTM A 210. Uas ua rau SA 210 costlier thiab huv. Cov pa roj carbon ntau dua hauv SA 210 muab lub zog siab dua li SA 179. Cov kev cai rau lub boiler tsis tuaj yeem ua tau raws li SA 179, yog li SA 210 qib yog siv.
SA 210 GR A1 yog tus qauv ASME hauv cov xov tooj cua rau cov boilers siab. Nws yog tsuas yog siv nyob rau hauv high-temperature thiab high-pressure boilers. Nws tuaj yeem tiv taus qhov hnyav ntawm qhov kub thiab txias thiab ua kom muaj kev nyab xeeb ntawm lub boiler. Nws feem ntau yog siv hauv boiler superheaters, reheaters, economizers thiab phab ntsa dej.
SA 179 yog tus qauv rau seamless txias-draw low carbon steel kav hauv American Boiler thiab Pressure Vessel Code. Nws teev cov kev cai rau kev tsim khoom, tshuaj xyuas thiab kev lees paub ntawm cov kav hlau steel los xyuas kom meej tias qhov zoo thiab kev ua haujlwm ntawm cov kav hlau steel ua tau raws li cov kev cai tshwj xeeb. SA 179 steel kav feem ntau siv rau hauv cov khoom xws li boilers, superheaters, reheaters, economizers, cua preheaters, kav dej thiab flues.
Yog li ntawd, qhov sib txawv tseem ceeb ntawm SA 210 GR A1 thiab SA 179 yog nyob rau hauv lawv lub hom phiaj thiab thaj tsam ntawm daim ntawv thov. SA 210 GR A1 yog qhov tsim nyog rau qhov kub thiab txias qhov chaw boiler, thaum SA 179 yog dav siv nyob rau hauv ntau yam boilers thiab siab hlab ntsha.
| Specification / Feature | SA 210 GR A1 | TIAB SA 179 |
|---|---|---|
| Txuj | ASME Tshooj I | ASME Section VIII, Division 1 |
| Daim ntawv thov | High-pressure boilers, tshwj xeeb tshaj yog rau superheaters, reheaters, economizers, thiab phab ntsa dej | Boilers, superheaters, reheaters, economizers, cua preheaters, dej thiab flue gas ducts hauv cov hlab ntsha siab |
| Hom khoom | Cov pa roj carbon steel nrog cov tshuaj muaj pes tsawg leeg | Tsawg-carbon steel |
| Kev tsim khoom | Seamless, txias-kos nrog internal threading | Seamless, txias-draw |
| Qhov kub thiab txias | Kev pabcuam kub kub | Kev pabcuam nruab nrab mus rau qhov kub thiab txias |
| Kev ntsuas siab | Kev ntsuas siab siab | Nyob ntawm qhov tshwj xeeb daim ntawv thov thiab tsim |


