Dab tsi yog p92 khoom specification
Feb 06, 2026
A335 P92 alloy yeeb nkabyog martensitic cua sov-resistant steel yeeb nkab raws li American ASTM tus qauv, sib xws rau cov hlau qib ASTM A335 P92, thiab ua raws li tus qauv ASTM A335/A335M. Nws yog tsuas yog siv nyob rau hauv lub ntsiab chav tsev pipelines thiab reheat chav pipelines ntawm ultra-supercritical thermal hwj chim generating units, nrog ib tug khiav hauj lwm kub txog li 600-650 degree.
Nws cov tshuaj muaj pes tsawg leeg muaj 8.5-9.5% chromium thiab 0.3-0.6% molybdenum, nrog rau qhov sib ntxiv ntawm cov khoom xws li tungsten thiab boron los txhim kho nws, nce molybdenum sib npaug li 1.5%. Thaum tswj kev kub siab corrosion kuj, nws kuj muaj qhov zoo dua qhov kub thiab txias zog thiab creep kuj.
GNEE Group yog cov chaw tsim khoom hauv cov yeeb nkab steel hauv Suav teb, muab cov yeeb nkab kev sib tham thiab kev ua haujlwm.Kev cai -ntev kav (6m / 12m) – 24-teev teb, tsis yog -ntev ntev xa hauv+3 hnub, tsis muaj ncua.
A335 P92 Yeeb Nkab Specification
| Txuj | ASTM A335 P92, SA335 P92 (nrog IBR Test Certificate) |
| Loj | 1/2 "NB to 36" NB |
| Thickness | 3-12 hli |
| Teem caij | SCH 40, SCH 80, SCH 160, SCH XS, SCH XXS, Tag nrho cov sij hawm |
| Ua siab ntev | Cold drawn yeeb nkab: +/- 0.1mm Cov yeeb nkab txias txias: +/- 0.05mm |
| Khoom siv tes ua | Cold rolled thiab Cold drawn |
| Hom | Seamless / ERW / Welded / Fabricated |
| Daim ntawv | Round, Square, Rectangular, Hydraulic thiab lwm yam. |
| Ntev | Txuj Muab ob npaug & Hauv Cut length kuj. |
| Xaus | Plain End, Beveled kawg, Treaded |
| Tshwj xeeb hauv | Loj Dia ASTM A335 P92 Yeeb Nkab |
| Kev kuaj ntxiv | NACE MR 0175, NACE TM0177, NACE TM0284, HIC TEST, SSC TEST, H2 SERVICE, IBR, thiab lwm yam. |
| Daim ntawv thov | Seamless Ferritic Alloy-Steel Yeeb Nkab rau Siab-Tsev Kev Pabcuam |
ASTM A335 P92 Cov yeeb nkab tshuaj muaj pes tsawg leeg
| Qib | UNS | C Tsawg dua los yog sib npaug | Mn | P Tsawg dua lossis sib npaug | S Tsawg dua los yog sib npaug | Si Less than los sib npaug | Cr | Mo |
|---|---|---|---|---|---|---|---|---|
| P92 | K92460 | 0.07~0.13 | 0.30~0.60 | 0.020 | 0.010 | 0.50 | 8.50~9.50 | 0.30~0.60 |
ASTM A335 / ASME SA335 P92 Siab Siab Hlau Yeeb Nkab Mechanical Properties
|
Tensile zog, MPa |
ASTM A335 P92 Yield zog, MPa |
Elongation,% |
Hardness, HB |
|---|---|---|---|
|
620 nqi |
440 min |
20 feeb |
250 max |
A335 P92 Seamless yeeb nkab yam ntxwv thiab qhov zoo
Siab -Temperature Strength thiab Creep Resistance
Los ntawm kev ntxiv tungsten thiab boron, qhov sib npaug ntawm molybdenum (Mo + 0.5W) ntawm A335P92 yog nce los ntawm 1% hauv P91 steel mus rau kwv yees li 1.5%, txhim kho siab -qhov kub thiab txias tsis kam, ua rau nws haum rau ultra-supercritical units saum toj no 6.
Oxidation thiab Corrosion Resistance
Cov ntsiab lus chromium yog khaws cia ntawm 8.50-9.50%, piv rau P91 steel, kom ntseeg tau zoo oxidation thiab corrosion kuj.
Optimized Physical Properties
Lub coefficient ntawm linear expansion yog tib yam li P91 steel, qis dua austenitic thiab P22 steel, uas ua rau muaj zog tiv thaiv qaug zog puas tsuaj.
Cov thermal conductivity yog tib yam li P91 steel, siab dua austenitic steel, uas yog qhov zoo rau kev ua cua sov.
Weldability
Txawm hais tias muaj cov ntsiab lus alloy siab thiab qhov nyuaj dua hauv kev vuam, qhov zoo ntawm cov pob qij txha welded tuaj yeem ua kom ntseeg tau los ntawm ntau- txheej, ntau- hla vuam thiab nruj ncej- vuam cua sov (750-770℃rau 5 teev).
A335 P92 Boiler raj siv:
Kev lag luam fais fab
Ultra-supercritical Boilers: Siv rau cov kav dej loj thiab rov ua cov kav dej, muaj peev xwm ua haujlwm ntev - lub sijhawm ruaj khov ntawm qhov kub siab tshaj 600℃.
Nuclear Fais fab nroj tsuag: Siv los ua cov khoom siv hauv kev tsim cov khoom siv xws li cov khoom siv hluav taws xob sib txawv, tiv taus qhov kub thiab txias, siab siab, thiab hluav taws xob ib puag ncig.
Kev lag luam Petrochemical
High-Tub Txheej Txheej Piping: Siv rau kev thauj khoom siab - kub, siab - siab reactants lossis chav, haum rau cov roj refineries, tshuaj nroj tsuag, thiab lwm qhov chaw zoo sib xws.
Reactors thiab Heat Exchangers: Ua kom muaj kev nyab xeeb thiab kev ntseeg siab ntawm cov khoom siv nyob rau hauv siab -kub, siab - cov txheej txheem siab.
Lwm Cov Kev Lag Luam
Aerospace: Siv nyob rau hauv kev tsim khoom ntawm siab - kub Cheebtsam rau aero engines, xws li combustion chambers thiab turbine blades.
Siab -Pressure Piping Systems: Haum rau cov kav dej uas xav tau lub zog siab thiab ua haujlwm siab.
A335 P92 alloy steel yeeb nkab Hoobkas
