904L yeeb nkab,tiv tauj pebkom tau txais kev tsocai dawb thiab qauv!
cev 904lyog ib qho qis-carbon, siab- alloy austenitic stainless hlau yeeb nkab tsim rau kev ua haujlwm zoo heev. Cov khoom muaj qib siab ntawm nickel, chromium, tooj liab, thiab molybdenum, pab nws tiv taus:
- Pitting corrosion
- Kev txhim kho corrosion
- Kev nyuaj siab corrosion cracking
- Sulfuric acid nres
- Chloride raug
Piv nrog rau tus qauv 316L stainless hlau kav, 904L stainless hlau yeeb nkab muaj zog tiv thaiv nyob rau hauv ib puag ncig aggressive tshuaj.
Cov npe khoom siv
Cov neeg yuav khoom feem ntau tshawb nrhiav siv cov ntsiab lus sib txawv xws li:
- 904L seamless yeeb nkab
- ASTM B677 UNS N08904 yeeb nkab
- 904L welded yeeb nkab
- 904L stainless hlau tubing
- 904L teem 40 yeeb nkab
- 904L industrial yeeb nkab tsum
- 904L yeeb nkab exporter
- UNS N08904 stainless hlau yeeb nkab
Nrog rau cov kev hloov pauv ntawm cov ntsiab lus no ib txwm pab txhim kho thaj chaw - tsom SEO pom tau hauv thaj chaw xws li UAE, Saudi Arabia, Singapore, Australia, South Africa, thiab Tebchaws Meskas.
Tshuaj muaj pes tsawg leeg ntawm 904L Stainless hlau yeeb nkab
904L muaj qhov sib npaug tshwj xeeb alloy uas txhim kho kev tiv thaiv corrosion hauv kev xav tau kev lag luam.
| Element | Cov ntsiab lus |
|---|---|
| Chromium (Cr) | 19.0 – 23.0% |
| Nickel (Ni) | 23.0 – 28.0% |
| Molybdenum (hli) | 4.0 – 5.0% |
| Copper (Cu) | 1.0 – 2.0% |
| Cov pa roj carbon (C) | Max 0.02% |
Cov ntsiab lus carbon tsawg pab txo qis carbide nag lossis daus thaum lub sijhawm vuam, uas yog qhov tseem ceeb tshwj xeeb rau kev tsim khoom-cov haujlwm hnyav.
ASTM Specifications rau 904L Pipes
Nyob ntawm txoj kev tsim khoom thiab qhov yuav tsum tau ua, 904L cov kav dej tau muab los ntawm cov qauv thoob ntiaj teb sib txawv.
| Yam khoom | ASTM Txuj |
|---|---|
| Seamless Yeeb Nkab | ASTM B 677 Cov khoom lag luam |
| Welded yeeb nkab | ASTM B 673 Cov khoom lag luam |
| Cov yeeb nkab fittings | ASTM B 366 Cov khoom siv |
| Cov raj | ASTM B677 / B674 / ASTM B677 / ASTM B677 / ASTM B677 / ASTM B677 / ASTM B677 / ASTM B677 / ASTM B677 / ASTM B677 / ASTM B677 / ASTM B677 / ASTM B677 / ASTM B677 / ASTM B677 / ASTM B677 / ASTM B677 / ASTM B677 / ASTM B677 / ASTM B677 / ASTM B677 / ASTM B677 / ASTM B677 / ASTM B677 / ASTM B677 / ASTM B677 / ASTM B677 / ASTM B677 / ASTM B677 / ASTM B677 / ASTM B677 / ASTM B677 / ASTM B677 / ASTM) တို့ |
Cov neeg lag luam feem ntau thov EN 1.4539 lossis UNS N08904 cov ntaub ntawv pov thawj nrog rau PMI kuaj thiab EN 10204 3.1 cov ntaub ntawv.
Yog vim li cas 904L Yeeb Nkab siv nyob rau hauv hnyav Industrial Environments
Zoo heev Corrosion Resistance
904L stainless hlau yeeb nkab yog tshwj xeeb tshaj yog zoo nyob rau hauv ib puag ncig uas muaj sulfuric acid thiab chlorides. Qhov no ua rau nws haum rau:
- Acid processing nroj tsuag
- Offshore platforms
- Kub exchangers
- Pulp thiab ntawv mills
- Flue gas desulfurization systems
Muaj zog Weldability
Vim nws cov qauv tsis tshua muaj carbon, 904L welded kav tuav zoo corrosion kuj tom qab fabrication. Qhov no txo qhov kev xav tau rau kev tshaj tawm -weld kho cua sov hauv ntau daim ntawv thov.
Ntev -Cov Nqi Siv Tau Zoo
Txawm hais tias 904L yeeb nkab nqi siab dua 304 lossis 316 stainless hlau, lub neej ua haujlwm ntev dua feem ntau txo qis tag nrho cov nqi hloov pauv thiab kev saib xyuas lub sijhawm.
904L Yeeb Nkab Daim Ntawv Thov los ntawm Cheeb Tsam
Middle East Oil & Gas Projects
Hauv cov teb chaws xws li Saudi Arabia, Qatar, thiab UAE, 904L seamless yeeb nkab feem ntau xaiv rau cov kav dej tawm sab nrauv uas raug dej ntsev thiab kub.
Kev lag luam tshuaj lom neeg hauv Southeast Asia
Cov nroj tsuag tshuaj nyob rau hauv Indonesia, Thaib, thiab Singapore nquag siv ASTM B677 904L yeeb nkab rau sulfuric acid tuav thiab chiv ntau lawm.
North American Cov Chaw Ua Haujlwm
Cov tuam txhab lag luam hauv Tebchaws Meskas thiab Canada feem ntau siv UNS N08904 yeeb nkab hauv kev ua qias tuaj -tswj cov tshuab thiab cov tshuab ntxhua khaub ncaws.
African Mining thiab Marine Operations
Mining thiab marine infrastructure tej yaam num nyob rau hauv South Africa thiab ntug dej hiav txwv African cheeb tsam siv 904L stainless hlau tubing qhov twg corrosion kuj tseem ceeb heev.
Qhov sib txawv ntawm 904L thiab 316L Stainless Hlau Yeeb Nkab
| Feature | cev 904l | 316l cev |
|---|---|---|
| Cov ntsiab lus Nickel | Siab dua | qis |
| Molybdenum | Siab dua | Nruab nrab |
| Chloride Resistance | Zoo heev | Zoo |
| Sulfuric Acid Resistance | Muaj zog | txwv |
| Nqi | Siab dua | qis |
Rau cov haujlwm ua haujlwm hauv ib puag ncig hnyav, 904L feem ntau xa cov kev ua haujlwm zoo dua qub txawm tias tus nqi pib ntau dua.
Muaj qhov ntau thiab tsawg thiab kev tsim khoom xaiv
- Feem ntau manufacturers tuaj yeem muab:
- Seamless kav
- Welded kav
- ERW cev
- Cov kav dej loj
- Kev cai txiav ntev

Yam khoom siv ntau yam
Loj: 1/2 "- 24"
Teem sijhawm: SCH 10 txog SCH XXS
Nto: Pickled, annealed, polished
Length: Random lossis tsau ntev
Export packing feem ntau yog ua nrog seaworthy ntoo rooj los yog bundles haum rau thoob ntiaj teb kev xa khoom.
Kev lag luam tseem ceeb siv 904L stainless hlau kav
904L yeeb nkab xa khoom tsis tu ncua ua haujlwm hauv kev lag luam xws li:
- Petrochemical kev lag luam
- Marine engineering
- Desalination nroj tsuag
- Kev tsim tshuaj
- Kev tsim hluav taws xob
- Fertilizer manufacturing
- Kev ua zaub mov
Cov khoom tseem ceeb tshwj xeeb tshaj yog thaum lub sij hawm poob los ntawm corrosion tuaj yeem ua rau kev ua haujlwm loj.
FAQ Txog 904L Pipes
904L yeeb nkab siv rau dab tsi?
904L yeeb nkab feem ntau yog siv rau hauv tshuaj nroj tsuag, offshore platforms, desalination systems, thiab industries raug acidic los yog chloride- nplua nuj ib puag ncig.
Puas yog 904L zoo dua 316L?
Nyob rau hauv cov xwm txheej corrosive heev, 904L muab kev tiv thaiv zoo dua rau pitting, crevice corrosion, thiab sulfuric acid piv nrog 316L stainless hlau.
ASTM tus qauv rau 904L seamless yeeb nkab yog dab tsi?
ASTM B677 yog ib qho kev qhia tshwj xeeb rau UNS N08904 seamless kav thiab raj.
904L cov kav dej puas tuaj yeem welded?
Yog. 904L welded yeeb nkab muaj kev ua haujlwm zoo vim nws cov pa roj carbon tsawg.
Lub teb chaws twg feem ntau import 904L stainless hlau kav?
Cov chaw xa khoom tseem ceeb suav nrog UAE, Saudi Arabia, Singapore, Tebchaws Meskas, Australia, thiab South Africa.





