Khoom Description
Peb Qhov Zoo
1. Kev Tswj Xyuas Zoo
- TORICH ASTM A312 Seamless Stainless Hlau Tubes raug kuaj hydrostatic, eddy tam sim no kuaj, thiab PMI xeem kom ua raws li ASTM A312 cov qauv.
- Cov raj no yog ua los ntawm siab- zoo austenitic stainless hlau, raug rau cov tshuaj lom neeg muaj pes tsawg leeg thiab kev kuaj corrosion los xyuas kom meej nyob rau hauv cov ntawv thov xws li roj thiab roj thiab siab - cov kua dej.
2. High Deg tiav
- Peb cov hlab yog pickled thiab passivated, ua rau ib tug du nto tsis muaj kab nrib pleb, nplai, los yog inclusions. Polished los yog ci annealed nto finishes muaj.
- Cov raj yog tsim los siv cov txheej txheem kos duab txias, uas ua rau muaj qhov ua tiav ntawm qhov chaw siab, ua kom tsis muaj qhov roughness thiab cov phab ntsa tuab, txhim kho cov dej ntws hauv cov raj.
3. Zoo heev Weldability thiab Formability
- ASTM A312 Seamless Stainless Hlau Tube nthuav tawm cov ductility siab thiab elongation, muab cov khoom tawg tuaj yeem tiv thaiv thaum vuam thiab tsim cov txheej txheem. Nws yog tsim rau welding txoj kev xws li TIG welding, MIG vuam, plasma vuam, los yog arc vuam.
- Cov raj tau txais kev kuaj xyuas kev ua tau zoo, suav nrog kev sim khoov, kev sim flattening, thiab kev sim flaring, kom ntseeg tau tias kev ua haujlwm ruaj khov hauv cov kav dej tseem ceeb, kev ntsuas, thiab kev siv hauv kev lag luam.
4. Kev kub siab ua haujlwm
- Cov hlab ntsha yog tsim los ntawm ib qho ntawm cov pob zeb, tsis muaj qhov ntev ntawm cov welds, kom ntseeg tau tias cov phab ntsa tuab tuab thiab cov khoom siv zoo ib yam, txo qhov kev pheej hmoo ntawm kev xau nyob rau hauv siab - lub zog siab thiab txhim kho kev nyab xeeb.
- Cov hlab tau raug soj ntsuam nruj me ntsis kom ntseeg tau tias muaj qhov sib xws hauv cov phab ntsa tuab, sab nraud, thiab qhov sib npaug, tshem tawm cov ntsiab lus tsis muaj zog thiab tiv thaiv bulging, flattening, los yog rupture nyob rau hauv siab.
thaj chaw thov
- Kub Exchangers thiab Condenser: A312 seamless yeeb nkab muaj kev hloov pauv ceev ceev thiab kev tiv thaiv corrosion, ua rau nws tsim nyog rau cov khoom siv hluav taws xob thiab cov condensers hauv tshuaj, petrochemical, thiab fais fab nroj tsuag.
- Tshuaj thiab Petrochemical processing: Muab piv rau cov pa roj carbon steel yeeb nkab, nws txo qis qis qis thiab hloov zaus, thiab nws siv hauv cov kav dej tshuaj ua kom cov tshuaj purity thiab tiv thaiv kev sib kis.
- Fais Fab Boilers thiab Superheaters: Nrog rau kev nkag mus, spalling, thiab oxidation ntawm qhov kub thiab txias.
- Roj, Roj, thiab Marine Applications: Txhim khu kev ua haujlwm nyob rau hauv cov xwm txheej hnyav xws li qhov kub thiab txias, kev co, thiab siab.
Cov qib steel
- TP XM-19(Nitronic® 50): Lub siab -lub zog, nitrogen- ntxiv dag zog rau stainless hlau nrog zoo heev pitting corrosion kuj.
- TIAB SA 304L: Tsawg- carbon variant ntawm 304 nrog zoo weldability thiab tsis kam mus rau intergranular corrosion.
- TIAB SA 309H: Qib siab -chromium thiab npib tsib xee nrog oxidation zoo heev ntawm qhov kub thiab txias.
- TIAB SA 348: A niobium-stabilized austenitic steel haum rau siab - qhov kub thiab txias kev pab cuam thiab resistant rau rhiab heev.
Tshuaj muaj pes tsawg leeg
| Qib | C | Cr | Ni | Mo | Mn | N | Si | P | S | Nb + Ta | Fe |
| TP XM-19 | Tsawg dua los yog sib npaug li 0.06 | 20.5 – 23.5 | 11.5 – 13.5 | 1.5 – 3.0 | 4.0 – 6.0 | 0.20 – 0.40 | Tsawg dua los yog sib npaug rau 1.0 | Tsawg dua lossis sib npaug li 0.04 | Tsawg dua lossis sib npaug li 0.03 | – | Tshuav |
| TP 309 H | 0.04 – 0.10 | 22.0 – 24.0 | 12.0 – 15.0 | – | Tsawg dua los yog sib npaug rau 2.0 | – | Tsawg dua los yog sib npaug li 1.5 | Tsawg dua lossis sib npaug li 0.045 | Tsawg dua lossis sib npaug li 0.03 | – | Tshuav |
| TIAB SA 348 | Tsawg dua los yog sib npaug li 0.08 | 17.0 – 20.0 | 9.0 – 13.0 | – | Tsawg dua los yog sib npaug rau 2.0 | – | Tsawg dua los yog sib npaug rau 1.0 | Tsawg dua lossis sib npaug li 0.045 | Tsawg dua lossis sib npaug li 0.03 | 10×C – 1.0 | Tshuav |
Mechanical Properties
| Khoom | Tensile zog (MPa) | Yield zog (MPa) | Elongation (%) | Hardness (HB) |
| TP XM-19 | Ntau dua lossis sib npaug rau 690 | Ntau dua lossis sib npaug rau 379 | Ntau dua lossis sib npaug li 35 | Tsawg dua los yog sib npaug li 100 |
| TP 309 H | Ntau dua lossis sib npaug li 515 | Ntau dua lossis sib npaug rau 205 | Ntau dua lossis sib npaug li 40 | Tsawg dua los yog sib npaug li 95 |
| TIAB SA 348 | Ntau dua lossis sib npaug li 515 | Ntau dua lossis sib npaug rau 205 | Ntau dua lossis sib npaug li 35 | Tsawg dua los yog sib npaug li 95 |
Cov qhab nia xaiv tau
| Alternative Qib |
Yog vim li cas |
| UNS S31803/2205 | Muab lub zog zoo heev, ua haujlwm zoo rau kev ntxhov siab corrosion tawg, thiab cov ntsiab lus qis nickel rau kev txuag nqi. |
| UNS S32750 / S32760 | Haum rau ib puag ncig corrosive heev, combining siab zog nrog zoo pitting kuj. |
| Alloy 825, C276 | Pom zoo rau cov txheej txheem tshuaj corrosive heev ib puag ncig uas stainless hlau yuav tsis ua kom txaus. |
Khoom Qhia

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Khoom siv Hoobkas

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