Khoom Description
Peb Qhov Zoo
1. Kev kub siab thiab kev ua haujlwm siab
Peb Super 304H Stainless Hlau Yeeb Nkab yog tsim los ntawm cov khoom siv Super 304H. Piv rau cov hlau tsis zoo tib yam, 304H tuaj yeem tiv taus qhov kub thiab txias ntawm 600-650℃thiab ua haujlwm ruaj khov ntawm cov cua kub siab tshaj 22.1 MPa.
2. Siab Dimensional raug
Peb cov kav dej yog tsim los ntawm kev kos duab txias, precision sizing, thiab cov txheej txheem kev kho cua sov, kom ntseeg tau tias cov txheej txheem sab nraud thiab cov phab ntsa tuab zoo sib xws rau kev sib dhos yooj yim boiler.
3. Weldability thiab Machinability
Cov nitrogen (N) thiab niobium (Nb) nyob rau hauv Super 304H tiv thaiv carbide nag lossis daus thaum vuam, txo qhov kev pheej hmoo ntawm intergranular corrosion. Peb cov kav dej tau dhau los ua qhov kev ntsuas hluav taws xob / nthuav dav kom ntseeg tau tias lawv yuav tsis tawg thaum lub sijhawm ua haujlwm thib ob xws li khoov, nthuav dav, flaring, thiab kev sib sau, ua rau lawv zoo tagnrho rau cov txheej txheem superheater coil sib dhos, U- khoov, thiab cov ntawv raj.
4. Lub neej ua haujlwm ntev
Peb cov khoom siv Super304H raug kuaj tshuaj muaj pes tsawg leeg kom ua tau raws li ASTM 213 tus qauv. Nws tuaj yeem ua haujlwm tsis tu ncua rau ntau dua 100,000 teev nyob rau hauv cov khoom siv hluav taws xob thiab cov khoom siv reheater yam tsis muaj deformation, txo cov nqi kho.
5. Ntim
Peb muab ntau yam kev xaiv ntim khoom, suav nrog lub kaus mom yas, zaj duab xis yas, hnab woven, thiab ntoo crates, los tiv thaiv kev puas tsuaj los yog kis kab mob ntawm cov yeeb nkab steel thaum thauj.
thaj chaw thov
Peb ASTM A213 Super 304H Stainless Hlau Yeeb Nkab pab txhim kho kev ua haujlwm zoo thiab txuas ntxiv kev pab cuam lub neej hauv cov tshuab hluav taws xob siab tshaj plaws. Nws yog feem ntau siv hauv cov hauv qab no:
- Superheaters thiab reheaters hauv supercritical thiab ultra-supercritical boilers
- Pov tseg tshav kub rov qab steam generators
- High -kub kub exchangers
- Petrochemical thiab refinery rhaub
- Biomass thiab pov tseg- rau- lub zog
Tshuaj muaj pes tsawg leeg
| Element | C | Cr | Ni | N | Nb | Cu | B | Fe |
|---|---|---|---|---|---|---|---|---|
| Cov ntsiab lus (%) | 0.07–0.12 | 17.0–19.0 | 8.0–11.0 | 0.10–0.15 | 0.30–0.60 | 2.0–3.0 | 0.001–0.006 | Tshuav |
Mechanical Properties
| Khoom | Tensile zog (MPa) | Yield zog (MPa) | Elongation (%) | Hardness (HB) | Max ua haujlwm kub |
| Tus nqi | Ntau dua lossis sib npaug rau 620 | Ntau dua lossis sib npaug rau 315 | Ntau dua lossis sib npaug li 35 | Tsawg dua los yog sib npaug li 190 | Mus txog 650 degree |
Cov qhab nia xaiv tau
| Alternative Qib | Yog vim li cas |
| TP347H/TP347HFG | TP347HFG (zoo nplej) qhia tau zoo dua creep tsis kam tshaj TP304H. Nws yog siv nyob rau hauv siab -kub cov kav dej thiab superheaters. |
| TP 310 H | Nws tuav cov oxidation zoo heev ntawm qhov kub txog li 1050℃thiab tuaj yeem siv rau hauv cov kav dej kub thiab siab - kub exchangers. |
| HR3C (UNS S31042) | Piv nrog rau Super304H, nws muaj ntau dua Cr thiab Nb cov ntsiab lus, ua rau muaj zog creep rupture thiab oxidation tsis kam. |
Khoom Qhia
Cov khoom siv kuaj
Khoom siv Hoobkas
Cov khoom siv Pickling
Cov khoom ntim
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