Umwirondoro wibicuruzwa
ASTM A335 Gr. P9 numuyoboro udafite ferritic alloy icyuma cyageneweserivisi zihoraho ku bushyuhe bwo hejuru hamwe nigitutu. Hamwe na hamwe9% chromium na 1% molybdenum, yicaye mumuryango wa 9Cr-1Mo ikoreshwa cyane mumashanyarazi, amashanyarazi ya peteroli, abavugurura, n'imirongo ishyushye.
KuriUmuyoboro wa Octal, Imiyoboro ya P9 yatanzwe muriibintu bisanzwe kandi bituje.
Shingiro ryibikoresho na Metallurgie
Bitandukanye nicyuma gisanzwe cya karubone, P9 yashyizweho kugirango igumane imbaraga nubusugire bwinyuma nyumaamasaha ibihumbiku bushyuhe bwo hejuru bw'icyuma.
- Chromium (~ 9%)ikora neza, yubahirizaCr₂O₃ filmhejuru, gutinda kwipima no okiside mumashanyarazi ashyushye cyangwa bivanze - ikirere cya gaze.
- Molybdenum (~ 1%)ikomeza matrix ya ferritic kandi igatinda guhindagurika kwa creep mukubuza kwimuka.
- Nyumabisanzwe + kurakara, ibyuma byerekana aimiterere ya ferrite - imiterere ya karbidehamwe nimbibi zihamye hamwe na karbide igenzurwa (cyane cyane M₂₃C₆ / M₆C) kumupaka - ibi nibyo bikomeza kunyerera - imbaraga zo guturika kandi birinda kwinjiza imipaka yintete mugihe kirekire.
Rero, murwego rwo hejuru - serivisi yubushyuhe (cohe superheater coil, imirongo yo kwimura ivugurura), P9 iguma ihagaze neza kurenza P5 / P11 yo mu bwoko bwa alloys.
Ibisabwa bya Shimi & Mechanical
Ibigize imiti (urwego rusanzwe)
| Ikintu | Ibirimo,% | Uruhare |
|---|---|---|
| Chromium (Cr) | 8.0 – 10.0 | Oxidation / igipimo cyo kurwanya, hejuru - temp ituje |
| Molybdenum (Mo) | 0.90 – 1.10 | Kuzunguruka no guturika imbaraga |
| Carbone (C) | Ntibiri munsi cyangwa bingana na 0.15 | Guhindura ubukana no guhagarika umutima |
| Manganese (Mn) | 0.30 – 0.60 | Imikorere ishyushye |
| Silicon (Si) | Ntibiri munsi cyangwa bingana na 1.00 | Gushyigikira kurwanya okiside |
| Fosifore (P), Amazi ya Sufuru (S) | Ntabwo ari munsi cyangwa bingana na 0.025 | Komeza guhindagurika no gukomera |
Ibikoresho bya mashini (ASTM A335 P9)
- Imbaraga zikomeye:Biruta cyangwa bingana na 415 MPa
- Tanga imbaraga:Biruta cyangwa bingana na 205 MPa
- Kurambura:Kurenza cyangwa bingana na 30%
- Gukomera:Ntabwo ari munsi cyangwa bingana na 163 HBW
Indangagaciro ni izisanzwe - na - imiterere yo gutanga ibintu kandi igamije gutanga umusemburo uhagije wumuvuduko nubushyuhe.
Gukora Inzira & Kuvura Ubushyuhe
Kugirango umenye neza ko 9Cr {2
- Kumenyekanisha no gutobora
Isuku Cr - Mo bilet zishyushye kubushyuhe bukwiye bwo gutobora (hafi dogere 1100–1150), hanyuma gutoborwa / kurambura kugirango habeho ibinogo bitemba ingano imwe.
- Igishushanyo gishyushye / gushushanya bikonje
Ubunini bwurukuta buzanwa kuri gahunda yateganijwe (SCH 10 - SCH 160). Hagati yigihe gisanzwe gishobora gukoreshwa mugihe kugabanuka gukabije cyangwa kwihanganira hafi birimo.
- Ubusanzwe (hafi . 900 - dogere 950)
Itunganya ferrite, ikuraho non - karbide imwe, ikuraho imihangayiko yimbere yo gukora.
- Ubushyuhe (hafi . 675 - 760 dogere)
Kugarura guhindagurika no gufunga mubyifuzo bya karbide byifuzwa kugirango imiturirwa yo guturika ihure nibisabwa na ASTM.
- Kugenzura ubuziranenge
- Ultrasonic / eddy - NDT igezweho kumubiri wumuyoboro
- Ikizamini cya Hydrostatike
- Gukomera hamwe no gutoranya imashini kuri buri cyiciro
- EN 10204 3.1 / 3.2 Icyemezo cyo gukurikirana
Igisubizo ni umuyoboro ufite karbide nziza, ikwirakwije karbide hamwe na materix ya ferritic ihamye - imiterere ushaka igihe kirekire - serivisi ishyushye.
Urwego rwo gutanga amasoko
| Parameter | Isoko risanzwe |
|---|---|
| Hanze ya Diameter | ½ ″ - 24 ″ (12.7 - 610 mm) |
| Uburebure bw'urukuta | SCH 10 - SCH 160 (harimo WT idasanzwe) |
| Uburebure | Kugera kuri m 12, SRL / DRL / gukata - kugeza - uburebure |
| Iherezo | Beveled yo gusudira, cyangwa ikibaya |
| Ubworoherane | OD ± 1%, WT ± 10% (cyangwa nkuko byateganijwe) |
Uburebure bwihariye no kwihanganirana birashobora kuganirwaho kubikorwa bya boiler / HRSG.
Hejuru - Imyitwarire ya serivisi yubushyuhe
Iyo ubushyuhe bwicyuma buzamutse buganaImpamyabumenyi 600-700, P9 ibika ibintu bibiri amanota yo hasi atangira gutakaza:
- Ubusugire bwubuso- firime ya Cr - ikungahaye kuri okiside itinda gukura kwinshi kandi igabanya umuvuduko wa okiside, bityo kuvoma imiyoboro no kunaniza urukuta bitinda.
- Gukomera- hamwe na Mo mubisubizo hamwe na karbide igenzurwa, ibivange birashobora kugera kumurongo wo guturika kumurongo ukenewe kuri serivisi ya 10⁴ h hafi ya dogere 600.
Niyo mpamvu P9 isanzwe isobanurwa kuri:
- Amashanyarazi:superheater hamwe na reheater tubes, imitwe ya parike, imirongo nyamukuru ishyushye
- Gutunganya / gushyushya peteroli:imiyoboro ivugurura, imirongo yohereza, ishyushye - imiyoboro ya gaze
- Hejuru - ibihingwa bitunganya ubushyuhe:guhinduranya ubushyuhe, manifolds, imirongo yo kugaburira reaction
- Ibice bya peteroli na gaze:gutera inshinge, hydrogen - imirongo itunganya ikora mubihe bishyushye kandi byizuba
Ugereranije na P5 / P11, P9 itangakugenzura neza okiside hamwe na microstructural buhoro buhoro, bikunze guhindurwa mugihe kirekire cyo kugenzura.
Octal Umuyoboro wo gutanga & Inyandiko
- Umusaruro kuriASTM A335 / ASME SA-335n'ibisabwa bijyanye na ISO / EN
- Gutanga muribisanzwe kandi bitujeimiterere
- Imashini, NDT, hydrostatikeraporo y'ibizamini kuri buri cyiciro
- 3.1 / 3.2irahari
- Gupakira bikwiye kohereza hanze kandi birebire - gutwara intera
- Umushinga - urwego QA / QC inkunga yingufu, inganda n’inganda zikora imiti
Ibibazo
Q1: Umuyoboro wa ASTM A335 P9 (ASME SA335 P9) ni iki?
Q2: "9Cr-1Mo" bisobanura iki kumuyoboro wa P9?
Q3: P9 itandukaniye he na P22 cyangwa P91?
Q4: Ni ubuhe bushyuhe - uburyo bwo kuvura busanzwe busobanurwa kuri A335 P9 umuyoboro udafite kashe?
Q5: Niki nasaba kugenzura ubuziranenge bwa P9 mbere yo kugura?
Impamyabumenyi
Icyemezo cya CE
Icyemezo cya ISO 9001
Icyemezo cya API Q1
Icyemezo cya ABS
Icyemezo cya AP-5L
Icyemezo cya API-5CT
