Kev qhia tshwj xeeb: ASTM A335 / ASME SA335
K92460 seamless yeeb nkab tau teev nyob rau hauvASTM A335 / ASME SA335 / ASTM A335 / ASTM A335 / ASTM A335 / ASTM A335 / ASME SA335 / ASTM A335 / ASTM A335 / ASME SA335 / ASTM A335 / ASTM A335 / ASTM A335 / ASTM A335 / ASTM A335 / ASTM A335 / ASTM A335 / ASTM A335 / ASTM A335 / ASME SA335 / ASTM A335 / ASTM A335 / ASME SA335 / ASME SA335 / ASTM A335 / ASME SA335 / ASTM A335 / ASME SA335 / ASTM A335 / ASME SA335 / ASTM A335 / ASME SA335 / ASTM A335 / ASME SA335) Cov ntawv pov thawj, uas yog tus qauv rauSeamless Ferritic Alloy-Steel Yeeb Nkab rau Siab-Tsev Kev Pabcuam.
Nyob rau hauv cov qauv no, nws yog hu uaQib P92.
Yog li, cov cim tseem ceeb yog:
UNS Number: K92460
ASTM / ASME Qib: P92
Cov yam ntxwv tseem ceeb ntawm K92460 / P92 Yeeb Nkab
P92 yog cov qib siab ferritic steel tsim los siv rau hauv siab - kub thiab siab - kev siv siab, feem ntau hauv kev lag luam tsim hluav taws xob.
1. Tshuaj muaj pes tsawg leeg
P92 yog kev hloov kho ntawm qib P91 qub (9Cr-1Mo-V), nrog rau qhov tseem ceeb ntxiv ntawmTungsten (W)thiab txo qis hauv Molybdenum (Mo). Qhov no txhim kho nws qhov siab - qhov kub thiab txias.
Ib qho tshuaj muaj pes tsawg leeg muaj xws li:
Cov pa roj carbon (C): ~0.07-0.13%
Chromium (Cr):~ 8.50-9.50% (Qhov no muab faib ua 9% Chromium hlau)
Molybdenum (Molybdenum): ~0.30-0.60%
Vanadium (V): ~0.15-0.25%
Niobium (Nb): ~0.04-0.09%
Nitrogen (N): ~0.03-0.07%
Tungsten (W):~ 1.50-2.00% (Lub ntsiab lus sib txawv)
Boron (B):Ntxiv rau me me rau lub zog stabilization.
2. Mechanical Properties
Cov yeeb nkab yog cua sov-kho (normalized thiab tempered) kom ua tiav cov khoom no (ntawm chav tsev kub):
Tensile zog:Ntau dua lossis sib npaug rau 620 MPa (90 ksi)
Yield zog:Ntau dua lossis sib npaug rau 440 MPa (64 ksi)
Elongation:Ntau dua lossis sib npaug li 20%
3. Qhov zoo tshaj plaws
Zoo heev Creep Strength:Nws lub ntsiab kom zoo dua. Nws tuaj yeem tiv taus kev ntxhov siab ntawm cov neeg kho tshuab siab ntawm qhov kub thiab txias ntev ntev yam tsis muaj deforming.
Zoo Oxidation & Corrosion Resistance:Cov ntsiab lus siab Chromium muab kev ua haujlwm zoo rau kev ntsuas (oxidation) hauv chav ib puag ncig.
High Thermal Conductivity & Tsawg Thermal Expansion:Piv nrog rau austenitic stainless hlau (xws li 304, 316), nws muaj thermal zog zoo dua, txo cov thermal qaug zog.
Tso cai rau Higher Design Stresses:Qhov no tso cai rau kev tsim cov thinner - cov kav dej thiab cov khoom sib txuas, txo qhov hnyav thiab cov nqi khoom siv rau tib qhov kev ntsuas siab.
Cov ntawv thov siv
K92460 / P92 seamless kav yuav luag tsuas yog siv nyob rau hauv qhov tseem ceeb, siab - zog seem ntawm:
Fais fab nroj tsuag:
Main chav kab
Kub reheat chav kab
Superheater thiab reheater headers thiab tubing
Nyob rau hauv qib siab ultra-supercritical (USC) thee- hluav taws xob hluav taws xob hluav taws xob, qhov kub tuaj yeem tshaj 600℃(1112℃F).
Petrochemical Kev Lag Luam:Nyob rau hauv siab - txheej txheem kub piping nyob rau hauv refineries thiab tshuaj nroj tsuag.
Thaum tshav kub kub Exchangers:Rau siab - kub, siab - kev pabcuam siab.
Kev tsim khoom
Raws li cov yeeb nkab seamless, K92460 yog tsim los siv cov txheej txheem xws li:
Rotary Piercing (Mannesmann Txheej Txheem):Ib qho khoom siv ntawm P92 alloy steel yog rhuab thiab tho los ntawm mandrel los tsim lub plhaub hollow.
Extrusion:Lub rhuab billet yog yuam los ntawm ib tug tuag tshaj ib tug mandrel.
Lub plhaub hollow yog ces elongated thiab loj los ntawm ib tug series ntawm mills (xws li, ntsaws zeb, mandrel zeb) kom ua tiav qhov kawg qhov ntev.
Nws undergoes ib tug nrujKev kho cua sovtxheej txheem (normalizing thiab tempering) los tsim kom muaj microstructure thiab mechanical zog.
Sib piv nrog Lwm Qib
| Feature | K92460 (P92) | K91560 (P91) | K92760 (P11) |
|---|---|---|---|
| Cr Cov ntsiab lus | 9% Chromium | 9% Chromium | 1.25% Chromium |
| Ntsiab Alloy | Tungsten (W) | Vanadium (V), Niobium (Nb) | Molybdenum (hli) |
| Temp. Lub zog | Siab tshaj | Siab | Nruab nrab |
| Daim ntawv thov | Ultra -Supercritical | Supercritical | Tsawg Temp. Hwj chim |
Cov ntsiab lus
K92460 Seamless Steel Yeeb Nkabyog qhov siab -kev ua tau zoo, cua sov- cov yeeb nkab uas tsis muaj steel hlau (Qib P92) tau teev tseg hauv qab ASTM A335. Nws qhov kev siv tseem ceeb yog nyob rau hauv qhov xav tau tshaj plaws ntawm - qhov kub thiab siab - ntu siab ntawm cov chaw tsim hluav taws xob niaj hnub, qhov twg nws lub zog nkag siab zoo tso cai rau kev ua haujlwm zoo dua thiab muaj zog. Thaum muab cov khoom siv no, nws yog ib qho tseem ceeb uas yuav tsum tau qhia ob tus lej UNS (K92460) thiab qib ASTM (A335 P92) kom ntseeg tau tias koj tau txais cov khoom raug.
