347 steel phaj stainless muaj ntau dua creep thiab kev nyuaj siab rupture zog tshaj 347 steel phaj stainless thiab, tshwj xeeb tshaj yog.Thaum tus nqi ntawm chromium atoms nyob rau hauv cov hlau yog tsis tsawg tshaj li 12.5 feem pua, lub electrode tej zaum yuav ntawm cov hlau yuav sai li sai tau hloov los ntawm tsis zoo tej zaum yuav. zoo electrode muaj peev xwm. Tiv thaiv electrochemical corrosion.
| Drill ø mm | Drill ø in | Pub-mm/t | Pub-in/t | Ceev - m / min | Ceev-ft/min | ||
|---|---|---|---|---|---|---|---|
| Drilling | Txiav Roj | 1.5 | .06 | 0.02-0.03 | .0007-.0012 | 9-13 | 29-42 |
| Drilling | Txiav Roj | 3 | .11 | 0.05-0.06 | .0020-.0024 | 11-15 | 36-49 |
| Drilling | Txiav Roj | 12 | .48 | 0.09-0.10 | .0035-.0039 | 11-15 | 36-49 |
347 steel phaj stainless yuav tsum raug txiav txim siab rau carbon dua li chromium, columbium-tantalum carbides precipitate nyob rau hauv cov nplej es tsis txhob ua ntawm cov nplej 347 steel phaj stainless ciam teb.
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