HT PIPE is aStainless hlau 316l mod yeeb nkabtus xa khoom nrog 15+ kev xa tawm.Tiv tauj pebkom paub ntau ntxiv thiab quotes dawb!
Kom nkag siab tus nqi ntawm ib qhoS316LMmod yeeb nkab,nws pab saib dab tsi ua rau nws "hloov" alloy. Standard 316L yog ib qho qis -carbon, austenitic stainless hlau muaj nuj nqis rau nws cov tshuaj tiv thaiv chloride-induced pitting. Txawm li cas los xij, thaum raug siab - qhov kub thiab txias, siab - qhov chaw siab ntawm cov chiv lossis petrochemical synthesis cog, tus qauv 316L tau ntsib kev puas tsuaj sai.
S316LMod yog qhov kev tswj hwm zoo ntawm cov hlau no. Cov kev hloov kho nyob rau ntawm peb lub ntsiab metallurgical levers:
- Cov pa roj carbon ntau tsawg:Txo qis dua li tus qauv 0.030% max kom txo qis chromium carbide nag lossis daus thaum vuam.
- Elevated Nickel thiab Molybdenum:Cov concentrations ntau ntxiv stabilize cov qauv austenitic thiab tiv thaiv kev hloov pauv theem.
- Strict Ferrite Suppression:Lub alloy yog sib npaug los xyuas kom meej tias nws nyob zootag nrho austenitic, khaws cov qib ferrite qis dua 0.5% lossis 0.6% hauv cov tshuaj -annealed xeev.
Kev sib piv sib piv: Standard 316L vs S316LMod (Urea Qib)
| Element | Txheem 316L (ASME SA240) | S316LMod / Urea Qib (EN 1.4435 / UNS S31603) |
| Cov pa roj carbon (C) | Tsawg dua lossis sib npaug li 0.030% | Tsawg dua lossis sib npaug li 0.020% |
| Chromium (Cr) | 16.0% – 18.0% | 17.0% – 18.5% |
| Nickel (Ni) | 10.0% – 14.0% | 13.0% – 15.0% |
| Molybdenum (hli) | 2.0% – 3.0% | 2.2% – 3.0% |
| Silicon (Si) | Tsawg dua lossis sib npaug li 0.75% | Tsawg dua lossis sib npaug li 0.40% |
| Cov ntsiab lus Ferrite | Feem ntau 3% - 8% | Tsawg dua lossis sib npaug li 0.5% - 0.6% max |
Thawj Daim Ntawv Thov ntawm S316LMod Pipes
Thaum S316LMod yog cov khoom siv zoo tshaj plaws uas yuav tsum tau siv nyiaj ntau dua thawj zaug tshaj li 316L lossis 304, nws yog qhov tsis yog - qhov yuav tsum tau sib tham hauv cov khoom siv hauv vaj tse uas cov yeeb nkab tsis ua haujlwm txhais tau tias muaj kev puas tsuaj rau cov nroj tsuag.
- Urea Stripper Tubes:Qhov feem ntau thermally thiab chemically stressed cheeb tsam ntawm ib tsob nroj chiv, qhov twg gas thiab kua theem sib tov ntawm huab cua kub.
- Condenser thiab Reactors:Siab -siab synthesis loops qhov nruab nrab carbamate daws tau ua tiav.
- Piping Manifolds thiab siab -Txoj kab sib txuas:Distribution networks nqa cov tshuaj chemical reagents heev.
Advanced Manufacturing Processes: Seamless vs. Welded Heavy-Wall Pipes
Txoj kev siv los tsim cov yeeb nkab S316LMod hnyav hnyav rau nws cov qauv kev ncaj ncees thiab kev ua haujlwm nyob rau hauv kev kub ntxhov.
[Cov txheej txheem Seamless] Melt billet ──> Piercing & Extrusion ──> Cold Pilgering ──>Ultimate Structural Uniformity
[Cov txheej txheem Welded]Roll plate ──> Longitudinal Weld ──> Weld Finishing ──>Yuav tsum tau 100% X-Ray Alignment
Seamless S316LMod Pipes (Kev Lag Luam Txuj)
Rau qhov siab - lub voj sib txuas sib txuas, cov kav dej seamless yog qhov nyiam tshaj plaws. Lawv feem ntau yog tsim los ntawmkub extrusion tom qab txias pilgering los yog txias kos duab.
Txias pilgering muaj txiaj ntsig zoo rau S316LMod vim tias nws siv compressive stresses uniformly nyob ib ncig ntawm lub voj voog, ua kom zoo dua cov nplej loj thiab tshem tawm cov kab me me ntawm cov kua muag. Qhov no ua rau cov yeeb nkab uas muaj qhov xav tau siab heev tawg thiab cov phab ntsa tuab.
Welded S316LMod Pipes (Qhov Loj Loj)
Rau qis- ntu siab lossis loj- txoj kab uas hla vapor recycling headers qhov twg seamless xaiv tsis muaj los yog raug nqi- txwv tsis pub, welded kav yog siv.
Cov txheej txheem tsim khoom yuav tsum siv tsis siv neegGas Tungsten Arc Vuam (GTAW / TIG)los yogPlasma Arc Vuam (PAW)tsis muaj qhov sib ntxiv ntawm cov qib qis - qib muab tub lim. Qhov ntev weld seam yuav tsum tau txais kev tshaj tawm -weld tov annealing tshav kub kev kho mob (feem ntau ntawm 1040℃txog 1120℃) ua raws li cov dej nrawm nrawm) kom rov ua kom tiav cov weld cheeb tsam thiab tshem tawm ib qho chaw ferrite spikes lossis sigma -theem tsim los ntawm cov cua sov.
Cov cai tseem ceeb rau Field Fabrication:
Tsawg tshav kub input:Cov khoom siv hluav taws xob siab ua kom zoo zoo sib npaug microstructure. Welders yuav tsum siv cov tam sim no tsawg thiab meej mus ncig ceev.
Matching Filler Hlau:Cov xaim muab tub lim siv (feem ntau txuam 25.22.2 L Mn lossis tshwj xeeb qis-ferrite 316LMod consumables) yuav tsum sib phim lossis tshaj qhov purity ntawm lub hauv paus yeeb nkab.
High -Purity Purging:Siv 99.99% ntshiab Argon roj shielding yog yuav tsum tau los tiv thaiv lub hauv paus dhau los ntawm oxidation, uas yuav txwv tsis pub cov yeeb nkab sab hauv corrosion kuj.
FAQ
Q: Kuv puas tuaj yeem hloov tus qauv 316L?
A:Tsis yog. Standard 316L yuav ua tsis tiav nyob rau hauv lub hlis nyob rau hauv siab - siab urea zones vim xaiv ferrite nres.
Q: Seamless los yog Welded?
A:Seamless yog qhov kev lag luam default rau siab -pressure loops. Welded yog siv rau cov headers loj tab sis yuav tsum muaj tag nrho cov ncej -weld tov annealing kom yaj ib lub zos ferrite spikes.
Q: Cov ntaub ntawv dab tsi xav tau?
A:Ib tug yuav tsumEN 10204 3.2 Cov ntaub ntawv pov thawjtau ntawv pov thawj los ntawm ib qho kev ywj pheej thib peb - tog koom haum (TÜV, SGS, Lloyd's) nrog rau 100% Cov Khoom Siv Pom Zoo (PMI) kuaj.
