ASTM B424 UNS N08825 Alloy 825 Phaj

ASTM B424 UNS N08825 Alloy 825 Phaj yog cov lus qhia tshwj xeeb rau kev ua haujlwm siab, corrosion-resistant phaj ua los ntawm Alloy 825. Ntawm no yog cov ncauj lus kom ntxaws:

 

Hom Hom:

 

Kub Rolled Phaj:Ua los ntawm dov lub ingot ntawm qhov kub thiab txias. Lawv muab qhov zoo ntawm qhov tiav thiab qhov tseeb qhov tseeb.

Cold Rolled Phaj:Ua nyob rau hauv chav tsev kub, uas ua rau txhim kho nto tiav thiab tighter dimension tolerances.

Annealed phaj:Thaum tshav kub kub kho los txo cov kev ntxhov siab sab hauv thiab txhim kho cov khoom siv kho tshuab.

Polished phaj:Ua raws li cov neeg kho tshuab lossis tshuaj polishing rau kev txhim kho nto smoothness thiab zoo li.

 

Qhov ntau thiab tsawg:

 

Thickness: 0.1 hli - 50 hli

Dav: Mus txog 2500 mm

Ntev: Txog 12000mm

 

Chemical Composition (Tswj):

 

Nickel (Ni): 38.0 - 46 {2}}%

Chromium (Cr): 19.5 - 23.5%

Hlau (Fe): 22.0% min

Molybdenum (Mo): 2.5 - 3.5%

Tooj liab (Cu): 1.5 - 3.0%

Titanium (Ti): 0 6 - 1.2%

Aluminium (Al): 0.2% max

Manganese (Mn): 1.0% max

Silicon (Si): 0.5% max

Cov pa roj carbon (C): 0.05% max

Sulfur (S): 0.03% max

Phosphorus (P): 0.03% max

 

Mechanical Requirements:

 

Tensile zog: 85 ksi (586 MPa) min

Yield zog (0.2% offset): 35 ksi (241 MPa) min

Elongation: 30% min

Hardness: HRB 85 max

 

Daim ntawv thov:

 

Alloy 825 daim hlau pom dav siv nyob rau hauv kev lag luam uas yuav tsum tau tshwj xeeb corrosion kuj, xws li tshuaj ua, roj thiab roj, petrochemical, thiab marine engineering.

Cov kev siv feem ntau muaj xws li cov hlab ntsha siab, cov khoom siv hluav taws xob, cov kav dej, cov tso tsheb hlau luam, cov twj tso kua mis, cov twj tso kua mis, thiab lwm yam khoom siv uas muaj cov tshuaj sulfuric acid, phosphoric acid, thiab cov tshuaj chloride.

 

Q&A:

 

Q: Dab tsi ua rau Alloy 825 daim hlau haum rau corrosive ib puag ncig?

A: Alloy 825 muaj kev tiv thaiv zoo tshaj plaws hauv ntau qhov kev tawm tsam hnyav, suav nrog sulfuric acid, phosphoric acid, thiab chloride-muaj ib puag ncig. Nws cov nickel siab, chromium, thiab molybdenum cov ntsiab lus ua rau nws qhov tshwj xeeb corrosion kuj.

 

Q: Alloy 825 daim hlau puas tuaj yeem welded?

A: Yog, Alloy 825 yog yooj yim weldable siv cov txheej txheem vuam. Nws pom zoo weldability thiab khaws nws cov corrosion kuj nyob rau hauv welded cheeb tsam, ua rau nws tsim nyog rau fabricating complex lug thiab khoom siv.

 

Q: Cov kev txwv ntawm Alloy 825 yog dab tsi?

A: Thaum Alloy 825 muaj kev tiv thaiv corrosion zoo heev, nws yuav tsis haum rau cov ntawv thov kub siab tshaj 1000 degree F (538 degree). Tsis tas li ntawd, nws yuav tsis raug nqi rau cov ntawv thov uas tsis yog corrosive vim nws cov ntsiab lus alloying ntau dua.

 

Q: Alloy 825 piv rau lwm cov nickel alloys li cas?

A: Alloy 825 muaj kev tiv thaiv corrosion zoo dua piv rau ntau lwm cov nickel alloys, tshwj xeeb tshaj yog nyob rau hauv sulfuric acid thiab chloride-nplua nuj ib puag ncig. Nws kuj nthuav tawm cov khoom siv kho tshuab zoo thiab fabricability.

 

Q: Alloy 825 daim hlau puas tuaj yeem siv rau hauv kev siv dej hiav txwv?

A: Yog, Alloy 825 yog dav siv nyob rau hauv marine engineering daim ntaub ntawv vim nws zoo heev tiv thaiv corrosion nyob rau hauv seawater thiab brine, ua rau nws haum rau seawater desalination, offshore platforms, thiab shipbuilding.

 

Alloy 825 daim hlau muaj ntau yam zoo thiab muaj kev tiv thaiv corrosion tshwj xeeb, cov khoom siv kho tshuab, thiab weldability, ua rau lawv zoo tagnrho rau cov ntawv thov tseem ceeb hauv qhov chaw corrosive thoob plaws ntau yam lag luam. Kev xaiv cov khoom tsim nyog thiab cov txheej txheem tsim khoom yog qhov tseem ceeb los ua kom muaj kev ua tau zoo thiab ua haujlwm ntev ntawm Alloy 825 Cheebtsam.

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