SS 904 904L Stainless hlau kav
Raws li tus neeg muag khoom thiab chaw tsim khoom nyob rau hauv Suav teb, GNEE Steel muab tus nqi -nickel zoo- raws li cov khoom siv alloy.
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Cov kav dej muaj kev tiv thaiv zoo rau kub corrosion hauv ntau qhov chaw. Cov kav dej 904L no yog cov hlau alloy austenitic stainless hlau uas muaj cov ntsiab lus carbon tsawg. Nws muaj carbon, chromium, tooj liab, manganese, molybdenum, npib tsib xee, phosphorous, sulfur, silicon. Nws qhia tau hais tias zoo tiv thaiv pitting thiab crevice corrosion. Tsis tas li ntawd, nws qhia tau hais tias qee yam khoom zoo li kev ua haujlwm zoo rau kev ntxhov siab corrosion cracking, intergranular corrosion & zoo formability, thiab kuj weldability.
Cov qib no feem ntau yog npaj rau kev siv nyob rau hauv cov mob hnyav heev. Nws muaj ib daim ntawv thov uas muaj pov thawj ntau xyoo, thiab nws yog Ameslikas tsim los tiv thaiv corrosion nyob rau hauv dilute sulfuric acid. Cov kav dej no yog tus qauv thiab pom zoo rau kev siv lub nkoj siab hauv ntau lub tebchaws. Cov txheej txheem yeeb nkab yog tag nrho austenitic stainless hlau thiab tsis tshua muaj rhiab heev rau nag lossis daus ferrite thiab sigma theem dua li lwm cov qib austenitic nrog cov ntsiab lus siab molybdenum. Vim tias cov ntsiab lus tseem ceeb ntawm chromium, npib tsib xee, molybdenum, thiab tooj liab muaj kev tiv thaiv zoo rau kev xeb, tshwj xeeb tshaj yog nyob rau hauv sulfuric thiab phosphoric tej yam kev mob.
| Qib | UNS | DIN | JIS | EN | BS | AFNOR |
|---|---|---|---|---|---|---|
| wb 904l | N08904 | 1.4539 | SWB 904L | X1NiCrMoCu25-20-5 | 904S13 | Z2 NCUA 25-20 |
| Qib | C | Mn | Si | P | S | Cr | Mo | Ni | Cu |
|---|---|---|---|---|---|---|---|---|---|
| wb 904l | 0.020 max | 2 00 max | 1 00 max | 0.040 max | 0.030 max | 19.00 – 23.00 | 4.00 – 5. {3}} max | 23.00 – 28.00 | 1.00 – 2.00 |
| Mechanical Properties ntawm Stainless hlau 904L yeeb nkab |
|---|
| Qhov ceev: 7.95 g / cm3 |
| Melting Point: 1350 degree (2460 degree F) |
| Tensile zog: Psi - 71000, MPa - 490 |
| Yield zog (0.2% Offset): Psi – 32000, MPa – 220 |
| Elongation: 35% |
Cov Yeeb Nkab Stainless Hlau 904L no yog siv rau hauv cov tuam txhab lag luam hauv cov roj drilling, lub zog tsim hluav taws xob, petrochemicals, roj ua, tshuaj tshwj xeeb. Tsis tas li ntawd, nws yog siv rau hauv kev lag luam kws tshuaj, khoom siv tshuaj, cov khoom siv dej hiav txwv, cov khoom siv hluav taws xob, cov khoom siv condensers, thiab cov ntaub so ntswg thiab cov ntawv ua lag luam. Qhov tseem ceeb suav nrog cov ntsiab lus npib tsib xee rau cov hlau tsis muaj steel 904L ua rau nws ua tau rau cov kav dej kom muaj kev ua tau zoo txawm tias nyob hauv qhov chaw siab.
Nrog rau nws yog cov hlau tsis muaj hlau nplaum, Stainless Hlau 904L Yeeb Nkab kuj pom zoo tiv thaiv kev ntxhov siab ntsig txog corrosion. Vim tias muaj molybdenum keeb nyob rau hauv cov hlau yog txo qhov tshwm sim ntawm crevice corrosion. Nrog rau qhov no, nws yog siv nyob rau hauv daim ntawv thov ntawm nruab nrab mus rau high kub.
Cim npe nrov: ss904 904l stainless hlau kav, Tuam Tshoj ss904 904l stainless hlau kav lwm tus neeg
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