420 SS(Stainless Steel) thermal spray wire yog ib yam khoom zoo uas tsim los rau kev siv arc spraying. Paub txog nws txoj kev tiv thaiv corrosion zoo heev, siab hardness, thiab zoo hnav tsis kam, 420 SS yog martensitic stainless hlau uas muab kev tiv thaiv nto zoo. Cov hlau no feem ntau siv rau hauv kev lag luam xws li petrochemical, hluav taws xob, tsheb, thiab marine los txhim kho lub zog thiab lub neej ntawm cov khoom tseem ceeb. 420 SS thermal spray wire yog qhov zoo tshaj plaws rau cov ntawv thov uas xav tau ib txheej tawv, hnav tsis kam nrog kev tiv thaiv corrosion nruab nrab.
Kev npaj qhov chaw kom zoo yog qhov tseem ceeb rau kev ua tiav cov txiaj ntsig zoo tshaj plaws nrog 420 SS thermal spray wire. Qhov chaw uas yuav tsum tau coated yuav tsum tau ntxuav kom huv si kom tshem tawm cov pa phem xws li roj, roj, av, thiab oxides. Grit blasting nrog aluminium oxide lossis silicon carbide raug pom zoo kom ua tiav qhov roughness ntawm qhov chaw ntawm 50-75 microns. Ib qho chaw huv si thiab roughened ua rau kev sib txuas ntawm cov thermal spray coating, ua rau kev ua haujlwm zoo dua thiab lub neej ntev.
| Khoom | Cov khoom xyaw (%) |
|---|---|
| Cov pa roj carbon (C) | 0.15 – 0.40 |
| Chromium (Cr) | 12.0 – 14.0 |
| Manganese (Mn) | 1.0 siab tshaj plaws |
| Silicon (Si) | 1.0 siab tshaj plaws |
| Phosphorus (P) | 0.04 siab tshaj |
| Sulfur (S) | 0.03 siab tshaj |
| Hlau (Fe) | Qhov Nyiaj Tshuav |
| Vaj tse | Tus nqi ib txwm muaj |
|---|---|
| Qhov Ceev | 7.75 g/cm³ |
| Qhov Kub Yaj | 1450°C |
| Qhov nyuaj | 50-58 HRC |
| Lub zog ntawm daim ntawv cog lus | 55 MPa (8000 psi) |
| Kev Tiv Thaiv Oxidation | Zoo |
| Kev Ua Kub | 24 W/m·K |
| Txheej Thickness Ntau Yam | 0.1 – 2.0 hli |
| Qhov porosity | < 3% |
| Kev Tiv Thaiv Hnav | Siab |
420 SS thermal spray wire yog ib qho kev daws teeb meem zoo heev rau kev txhim kho cov khoom ntawm cov khoom uas raug kev hnav thiab xeb nruab nrab. Nws qhov kev tawv siab thiab kev tiv thaiv kev hnav zoo ua rau nws haum rau cov ntawv thov uas xav tau kev txheej txheem ruaj khov thiab kav ntev. Los ntawm kev siv 420 SS thermal spray wire, kev lag luam tuaj yeem txhim kho lub neej kev pabcuam thiab kev ntseeg siab ntawm lawv cov khoom siv thiab cov khoom.
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