Khoom Description
Peb Qhov Zoo
1. Kev kub siab ua haujlwm
- Peb P22 Chrome Yeeb Nkab tswj kev ua haujlwm ruaj khov ntawm qhov kub txog li 1112℃F, ua rau nws tsim nyog siv hauv boilers, superheaters, thiab kub exchangers.
- Cov kav dej tau dhau los ntawm kev sim tensile ntawm chav tsev thiab qhov kub thiab txias kom ua tau raws li ASTM A335 / ASME SA335 cov qauv.
2. Kev kub siab ua haujlwm
- P22 Chrome Yeeb Nkab yog cov yeeb nkab seamless tsim los ntawm kev kub extrusion thiab txias txheej txheem, muaj peev xwm tiv taus siab.
- Cov kav dej tau raug kuaj xyuas hydrostatic, kuaj ultrasonic, thiab ntsuas tam sim no kom paub tseeb tias tsis muaj qhov txaus ntshai ntawm cov yeeb nkab nto thiab txheeb xyuas lawv lub peev xwm los tiv thaiv kev kub ntxhov raws li ASTM A335 tus qauv.
3. Corrosion Resistance
- Peb cov kav dej yog tsim los ntawm cov khoom siv P22, muab kev tiv thaiv rau hydrogen thiab sulfide corrosion, haum rau hydrogen - muaj cov tshuab nrog hydrogen ib feem siab Tsawg dua los yog sib npaug li 10MPa thiab kub tsawg dua lossis sib npaug li 580℃, thiab rau cov roj thiab cov kav dej hauv cov roj av refining.
- Cov kav dej tau muab tso rau hauv ib qho normalized + siab -kub tempered lub xeev thiab raug kuaj metallographic los xyuas kom meej tias kev kho cua sov tiv thaiv carbide nag lossis daus thiab txhim kho corrosion kuj ntawm cov kav dej.
4. Zoo Weldability
- P22 seamless kav yog nruab nrab -weldable alloy steel kav. Peb siv preheating los tiv thaiv qhov txias txias hauv P22 steel, thiab tom qab-weld kev kho cua sov yuav tsum tau tshem tawm cov kev ntxhov siab uas seem.
- Vuam cov ntaub ntawv ntsuam xyuas muaj los xyuas kom meej tias lub zog ntawm cov welded sib npaug sib npaug los yog zoo dua li cov khoom siv hauv paus, txhawb ntau yam txheej txheem vuam xws li TIG, MIG, thiab SAW.
5. Kev Pabcuam Mekas
TORICH muaj kev hloov kho tau yooj yim ntawm qhov ntev thiab kho qhov chaw; muab ntau yam kev tsim khoom xws li kub dov thiab txias dov; thiab tuaj yeem hloov kho los tiv thaiv- ntim ntim raws li kev thauj mus los thiab chaw cia khoom.
TORICH muaj ib pab neeg ua haujlwm siab tshaj plaws uas tuaj yeem muab ntau yam kev daws teeb meem, los ntawm qhov loj me, cov khoom siv kom zoo, thiab cov txheej txheem kho kom haum rau kev txhawb nqa cov kev pabcuam, raws li cov neeg siv khoom ntau yam kev ua haujlwm xws li kub, siab, corrosion, thiab tshwj xeeb installation yuav tsum.
thaj chaw thov
- Lub zog tsim kev lag luam: Siv nyob rau hauv superheater thiab reheater chav kav, boiler piping systems, thiab lwm yam.
- Petrochemical thiab refining daim ntawv thov: High-cov txheej txheem kub ntawm cov kav dej, cov kav dej thiab cov tshuaj xa mus, thiab lwm yam.
- Kev lag luam roj thiab roj: Siv rau kev thauj mus los ntawm cov kua dej superheated thiab chav dej, siab - siab thiab siab - cov kav dej kub, thiab lwm yam.
- Kev lag luam metallurgical: Blast furnace kub moj tej tawg qhov cub, dov zeb cua sov rauv, cov khoom siv kho cua sov piping.
Tshuaj muaj pes tsawg leeg
| Element | C (%) | Si (%) | Mn (%) | P (%) | S (%) | Cr (%) | Mo (%) | Tsis muaj (%) |
|---|---|---|---|---|---|---|---|---|
| P22 | 0.08 | 0.30 | 0.40 | 0.025 | 0.025 | 1.00 | 0.50 | 0.40 |
Mechanical Properties
| Khoom | Tensile zog (MPa) | Yield zog (MPa) | Elongation (%) | Hardness (HB) | mpact (Charpy V, J) |
| Tus nqi | 415 – 550 | 205 – 310 | Ntau tshaj los yog sib npaug rau 20 | 120 – 190 | Ntau dua lossis sib npaug li 27 (-29 degree) |
Cov qhab nia xaiv tau
| Alternative Qib | Yog vim li cas |
| P11 (1Cr-0.5Mo) | Lub zog yog me ntsis qis, tab sis nws yog haum rau nruab nrab kub. |
| P91 (9Cr-1Mo-V) | Siab-lub zog thiab nkag siab- cov khoom tiv taus zoo dua rau ultra-supercritical boilers. |
| T11/T22 | Nws yog sib npaug rau P11 / P22 hauv cov qauv thoob ntiaj teb, muab kev yooj yim rau kev yuav khoom thoob ntiaj teb. |
Khoom Qhia
Cov khoom siv kuaj
Khoom siv Hoobkas
Cov khoom siv Pickling
Cov khoom ntim
FAQ
Q: Dab tsi yog qhov kev nyab xeeb kub thiab siab txwv rau P22 chrome kav?
A: Nyob ntawm cov yeeb nkab txoj kab uas hla thiab phab ntsa thickness, P22 kav yuav siv tau nyob rau hauv ua hauj lwm kub txog li 540-600℃thiab siab nyob rau hauv ib puag ncig.
Q: Vim li cas peb yuav tsum xaiv P22 es tsis txhob carbon steel lossis lwm yam hlau alloy?
A: Piv nrog rau cov pa roj carbon steel thiab siab - alloy steels xws li P91, P22 steel muaj zog dua, zoo dua oxidation tsis kam, thiab siab dua - kub ua haujlwm. Tsis tas li ntawd, P22 steel tsis tshua kim dua li siab - alloy steels zoo li P91, muaj kev sib txuas zoo dua, thiab muaj kev ua tau zoo.
Q: Cov kev xeem thiab ntawv pov thawj dab tsi koj muab rau P22 chrome kav?
A: Rau txhua pawg, peb muab EN 10204 3.1 / 3.2 lub Hoobkas kuaj daim ntawv pov thawj, tshuaj lom neeg muaj pes tsawg leeg, kuaj cov cuab yeej cuab tam, thiab kuaj hydrostatic.
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