Selelekela
TheASTM A312 UNS S30815 253MA Pipe ea tšepe e sa hloekangke motsoako oa tšepe o sa hloekang oa austenitic o sebetsang hantle haholo o tsejoang ka ho hanyetsa oxidation ea mocheso o phahameng, kutu, le thepa e ntle haholo ea mochini libakeng tse phahameng tsa mocheso.253MAe etselitsoe ka ho khetheha bakeng sa ts'ebeletso lits'ebetsong tse hlokang botsitso ba mocheso o phahameng, haholo indastering ea sebōpi le kalafo ea mocheso. Ho hanyetsa ha eona ka mokhoa o ikhethang ho scaling, carburization, le oxidation ka kakaretso e etsa hore e be thepa e tšepahalang bakeng sa tikoloho e feteletseng.
Sehlopha sena sa tšepe e sa hloekang se sebelisoa haholo lits'ebetsong tsa indasteri ea mocheso o phahameng 'me se loketse lits'ebetso moo matla a phahameng le ho hanyetsa oxidation ho leng bohlokoa.
Maemo le Lintlha
TheASTM A312 UNS S30815 253MA Pipe ea tšepe e sa hloekange etsoa ho latela maemo a latelang:
- ASTM A312: Tlhaloso e Tloaelehileng bakeng sa liphaephe tsa tšepe tse sa tsitsang, tse cheselitsoeng, le tse batang haholo tsa Austenitic Stainless Steel.
- UNS S30815: The Unified Numbering System for Materials e khetholla sena e le kereiti ea tšepe e sa hloekang ea alloy e phahameng.
- EN 10088-2: European Standard for Stainless Steel, e koahelang litlhoko tsa sebopeho sa thepa ena, thepa ea mochini le tlhahlobo.
Sebopeho sa Lik'hemik'hale(% ka Boima)
Motsoako oa lik'hemik'hale oa253MA (UNS S30815)e etselitsoe ho fana ka khanyetso e ntle ho oxidation le matla a mocheso o phahameng. Sebopeho se tloaelehileng ke se latelang:
| Element | Sebopeho (%) |
| Chromium (Cr) | 20.00 - 23.00% |
| Nickel (Ni) | 24.00 - 26.00% |
| Silicon (Si) | 1.50 - 2.50% |
| Manganese (Mn) | 1.00 - 2.00% |
| Khabone (C) | ≤ 0.08% |
| Phosphorus (P) | ≤ 0.045% |
| Sebabole (S) | ≤ 0.030% |
| Naetrojene (N) | 0.10 - 0.30% |
| Tshipi (Fe) | Ho leka-lekanya |
Thepa ea Lintho: Litšobotsi tsa Bohlokoa
253MA(UNS S30815) e kopanya matla a matla a mocheso o phahameng le khanyetso ea oxidation. Sena se etsa hore e be se loketseng bakeng sa lits'ebetso tse maemong a feteletseng, joalo ka libopi le lisebelisoa tsa mocheso. Thepa e na le chromium e phahameng le nickel content, e fana ka khanyetso e babatsehang ea oxidation ka mocheso ho fihlela ho 1150 ° C (2100 ° F).
Thepa ea 'Mele
- Botenya7.8g/cm³
- Melting Point: 1390°C (2540°F)
- Thermal Conductivity: 15.5 W/m·K ho 100°C
- Mocheso o khethehileng: 0.50 J/g·K ho 100°C
- Ho hanyetsa Motlakase: 0.73 μΩ·m ho 20°C
- Matla a tšepe: 570 MPa (bonyane)
- Kotulo Matla: 240 MPa (bonyane)
- Elongation: 40% (bonyane)
- Hardness (Rockwell B): HRB 90 (boholo)
- Modulus ea ElasticityBoima: 200 GPA
- Karolelano ea Poisson: 0.30
- Ho hanyetsa ho hoholo ha mocheso o phahameng oa oxidation, scaling, le carburization.
- E boloka matla le sebopeho sa botsitso mochesong o fetang 1000°C (1832°F).
- Khanyetso e phahameng ho tikoloho ea asiti le alkaline.
- E hanana le sebabole le chloride-induced stress corrosion cracking.
- E khona ho mamella maemo a mabifi, e etsa hore e be e loketseng ho sebelisoa ts'ebetsong ea lik'hemik'hale le lits'ebetsong tsa indasteri tse nang le mocheso o phahameng.
Thepa ea Mechini
Khahlano le Oxidation
Khanyetso ea Corrosion
Ts'ebetso ea Tlhahiso: Mosebetsi oa matsoho bakeng sa Precision
Thepa ea253MA liphaephe tsa tšepe tse sa hloekange latela mekhoa ea morao-rao ea tlhahiso ho netefatsa boleng bo phahameng le ho tšoarella:
- Ho Etsa Lipeipi ka Seamless: E hlahisoa ka extrusion, ho phunya ka rotary, le mekhoa ea ho lelefatsa ho etsa liphaephe tse se nang moroallo tse nang le botenya bo tšoanang ba lebota.
- Mokhoa o batang oa ho sebetsa: Mekhoa e batang ea ho taka kapa ea ho pilgering e sebelisoa ho finyella litekanyo tse nepahetseng le libaka tse boreleli.
- Kalafo ea Mocheso: Lipeipi li phekoloa mocheso ka mocheso o itseng ho ntlafatsa thepa ea tsona ea mochine le ho sebetsa ha mocheso o phahameng.
- Pickling & Passivation: Liphaephe li khethiloe ho tlosa lifilimi tsa sekala le oxide le ho feta ho netefatsa hore ho na le ho hanyetsa ha kutu e eketsehileng.
Teko le Tlhahlobo: Tiisetso ea Boleng
Womic Steel e latela melaoana e thata ea tlhahlobo ho netefatsa boleng ba boleng bo holimo bakeng sa253MA liphaephe tsa tšepe tse sa hloekang:
- Tlhahlobo ea Sebopeho sa Lik'hemik'hale: E netefalitsoe ho sebelisoa mekhoa ea spectroscopic ho netefatsa hore motsoako o kopana le lihlopha tse boletsoeng.
- Teko ea Mechini: Teko ea ho tsieleha, ho thatafala, le tlhahlobo ea tšusumetso ho netefatsa ts'ebetso ea thepa ka lithempereichara tse fapaneng.
- Teko ea Hydrostatic: Liphaephe li lekoa bakeng sa ho tšoarella ha khatello ho netefatsa hore ts'ebetso e sa lutle.
- Teko e sa Senyeheng (NDT): E kenyelletsa tlhahlobo ea ultrasonic, eddy current, le dae penetrant test ho bona bofokoli bofe kapa bofe bo ka hare kapa bo bokaholimo.
- Tlhahlobo ea Pono le ea Dimensional: Peipi e 'ngoe le e' ngoe e hlahlojoa ka pono bakeng sa ho qetela, 'me ho nepahala ha dimensional ho hlahlojoa khahlano le litlhaloso.
Bakeng sa tlhaiso-leseling e batsi kapa mantsoe a qotsitsoeng, ikopanye le Womic Steel kajeno!
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Nako ea poso: Jan-08-2025