Iyo A335 chiyero (ASTM A335/ASME S-A335) ishoko repasi rese referritic alloy simbi isina musono pombi dzesimbi dzinoshandiswa mukupisa kwepamusoro uye nzvimbo dzekumanikidza. Inoshandiswa zvakanyanya mu petrochemical, simba (thermal/nuclear simba), boiler uye kunatsa maindasitiri. Mapombi esimbi pasi peiyi chiyero ane yakanakisa tembiricha yakasimba, creep resistance uye corrosion resistance, uye akakodzera kunyanyisa kushanda mamiriro.
Zvishandiso zvakajairika uye kuumbwa kwemakemikari eA335 yakajairika
Zvishandiso zveA335 zvinosiyaniswa nenhamba dze "P", uye mamakisi akasiyana akakodzera tembiricha dzakasiyana uye nharaunda dzinoparadza:
| Giredhi | Main makemikari zvikamu | Hunhu | Kushanda tembiricha |
| A335 P5 | Cr 4-6%, Mo 0.45-0.65% | Inoshingirira kune sulfur corrosion uye inokambaira pane tembiricha iri pakati nepakati | ≤650°C |
| A335 P9 | Cr 8-10%, Mo 0.9-1.1% | Iine high-temperature oxidation resistance uye ine simba rakawanda | ≤650°C |
| A335 P11 | Cr 1.0-1.5%, Mo 0.44-0.65% | Weldability yakanaka uye yepakati-tembiricha simba | ≤550°C |
| A335 P12 | Cr 0.8-1.25%, Mo 0.44-0.65% | Zvakafanana neP11, sarudzo yehupfumi | ≤550°C |
| A335 P22 | Cr 2.0-2.5%, Mo 0.9-1.1% | Anti-hydrogen corrosion, inowanzoshandiswa mumagetsi chiteshi boilers | ≤600°C |
| A335 P91 | Cr 8-9.5%, Mo 0.85-1.05% | Ultra-yakakwirira simba, inosarudzwa kune supercritical mauniti | ≤650°C |
| A335 P92 | P91 + W | Kudzivirira kwekushisa kwepamusoro, kwakakodzera kune ultra-supercritical units | ≤700°C |
Maitiro ekushandisa eA335 simbi mapaipi
1. Petrochemical industry
A335 P5/P9: anobatsira kuparuka zvikamu muzvinatsiridza, tembiricha yepamusoro-soro ine sulfur-ine mapaipi.
A335 P11/P12: zvinopisa zvinopisa, zvepakati-tembiricha tembiricha yekuparadzira mapaipi.
2. Indasitiri yemagetsi (simba rekushisa / simba renyukireya)
A335 P22: Mapaipi makuru eupfu uye misoro yezvidyarwa zvemagetsi emagetsi.
A335 P91/P92: Supercritical/ultra-supercritical units, nuclear power-high-pressure pipelines.
3. Maboiler uye midziyo yekumanikidza
A335 P91: High-tembiricha zvikamu zvemazuva ano yakakwirira-inoshanda boilers.
A335 P92: Mapaipi anodzivirira epamusoro-soro epamusoro-parameter boilers.
Nzira yekusarudza iyo chaiyo A335 zvinhu? Tembiricha zvinodiwa:
Tembiricha zvinodiwa:
≤550°C: P11/P12
≤650°C: P5/P9/P22/P91
≤700°C: P92
Corrosive environment:
Sulfur-ine medium → P5/P9
Hydrogen corrosive environment → P22/P91
Mutengo uye simba:
Sarudzo yehupfumi → P11/P12
Simba guru rinodiwa → P91/P92
International akaenzana zviyero A335 simbi pombi
| A335 | (EN) | (JIS) |
| P11 | 13CrMo4-5 | STPA23 |
| P22 | 10CrMo9-10 | STPA24 |
| P91 | X10CrMoVNb9-1 | STPA26 |
FAQ
Q1: Ndeupi musiyano uripo pakati peA335 P91 neP22?
P91: Yakakwira chromium uye molybdenum zvirimo, yakasimba creep kuramba, yakakodzera kune supercritical unit.
P22: Mutengo wakaderera, wakakodzera echinyakare magetsi ekudyara boilers.
Q2: Ko A335 simbi pombi inoda kupisa kurapwa?
Normalizing + tempering kurapwa kunodiwa, uye P91/P92 inodawo kudzora kwakasimba kwechiyero chekutonhora.
Q3: Is A335 P92 nani pane P91?
P92 ine yakakwirira tembiricha kuramba (≤700 ° C) nekuda kwekuvapo kwe tungsten (W), asi mutengo zvakare wakakwira.
A335 yakajairwa alloy isina musono simbi pombi chinhu chakakosha pasi pekushisa kwepamusoro uye kudzvinyirira kwakanyanya. Zvinhu zvakasiyana (zvakadai seP5, P9, P11, P22, P91, P92) zvakakodzera kune zvakasiyana-siyana. Pakusarudza, zvinodikanwa kuti utarise zvakakwana tembiricha, kuora, simba uye mutengo zvinhu, uye kutarisa kune epasirese yakaenzana zviyero (senge EN, JIS).
Nguva yekutumira: Jun-06-2025
