Litšepe tse sa cheleng mocheso tse tloaelehileng hangata li arotsoe ka mefuta e meraro, 309S, 310S le 253MA, tšepe e sa keneleng mocheso hangata e sebelisoa ha ho etsoa li-boilers, li-turbine tsa mouoane, libono tsa indasteri le sefofane, petrochemical le likarolo tse ling tsa indasteri maemong a phahameng a mocheso a sebetsang. likarolo.
1.309s: (OCr23Ni13) poleiti ea tšepe e sa hloekang
Litšobotsi: E khona ho mamella ho futhumatsa khafetsa ka tlase ho 980 ℃, ka matla a phahameng a mocheso, ho hanyetsa oxidation le khanyetso ea carburizing.
Kopo: thepa ea sebōpi, e ka sebelisoa ho etsa likarolo tsa tšepe tse chesang, chromium ea eona e phahameng le nickel e tiisa ho hanyetsa ha kutu le ho hanyetsa oxidation.
Ha e bapisoa le alloy ea austenitic 304, e matla hanyane ka mocheso oa kamore.Bophelong ba sebele, e ka futhumatsoa khafetsa ho 980 ° C ho boloka mosebetsi o tloaelehileng.310s: (0Cr25Ni20) poleiti ea tšepe e sa hloekang.
2.310s: (OCr25Ni20) poleiti ea tšepe e sa hloekang
Litšobotsi: Tšepe e phahameng ea chromium-nickel austenitic stainless e nang le thepa e ntle ea mochini oa mocheso o phahameng le khanyetso e ntle ea kutu mecheng ea litaba ea oxidizing.E loketse tlhahiso ea likarolo tse fapaneng tsa sebōpi, mocheso o phahameng ka ho fetisisa oa 1200 ℃, mocheso o tsoelang pele oa tšebeliso ea 1150 ℃.
Kopo: thepa ea sebōpi, lisebelisoa tsa lisebelisoa tsa ho hloekisa koloi.
310S tšepe e sa jeleng paate ke motsoako oa tšepe oa austenitic o hanang ho bola o sebelisoang libakeng tse fapaneng tsa mocheso o phahameng le tse senyang.Ke khetho e ntle haholo bakeng sa lits'ebetso tsa indasteri ea petrochemical, lik'hemik'hale le tse futhumatsang mocheso, hammoho le likarolo tsa sebōpi le lisebelisoa tse ling tsa mocheso o phahameng.Letlapa la 310S ke letlapa le sephara, le lesesaane le entsoeng ka motsoako ona o khethehileng.
3.253MA (S30815) poleiti ea tšepe e sa hloekang
Litšobotsi: 253MA ke tšepe e sa cheleng ea Austenitic e sa cheseheng mocheso e etselitsoeng lits'ebetso tse hlokang matla a holimo le ho hanyetsa ha kutu.Mocheso oa eona oa ho sebetsa ke 850-1100 ℃.
253MA ke mofuta o ikhethileng oa alloy ea tšepe e sa hloekang e etselitsoeng lisebelisoa tsa mocheso o phahameng.E fana ka khanyetso e ntle ho oxidation, sulfidation, le carburization ka mocheso o phahameng.Sena se etsa hore e tšoanelehe bakeng sa ho sebelisoa liindasteri tse fapa-fapaneng, ho kenyelletsa le tse amanang le mocheso le kutu, tse kang tsa petrochemical, fehlang motlakase le liindasteri tsa sebōpi.Maqephe a 253MA ke likotoana tse tšesaane, tse bataletseng tse entsoeng ka motsoako ona.Li sebelisoa lits'ebetsong tse fapaneng moo motsoako oa ho hanyetsa mocheso o phahameng le ho hanyetsa ha kutu ho bohlokoa.Lipampiri li ka khaoloa 'me tsa etsoa ka libopeho tse fapaneng ho finyella litlhoko tse khethehileng tsa morero.
Lipampiri tsa 253MA, Sebopeho sa Lik'hemik'hale tsa Lipoleiti
| Kereiti | C | Cr | Mn | Si | P | S | N | Ce | Fe | Ni |
| 253MA | 0.05 - 0.10 | 20.0-22.0 | 0.80 boholo | 1.40-2.00 | 0.040 boholo | 0.030 boholo | 0.14-0.20 | 0.03-0.08 | Ho leka-lekanya | 10.0-12.0 |
253MA Plate Mechanical thepa
| Matla a tšepe | Matla a Hlahisa (0.2%Offset) | Elongation(ka hare ho 2 in.) |
| Psi:87,000 | Psi 45000 | 40% |
253MA Plate Corrosion resistance le tikoloho ea ts'ebeliso ea mantlha:
1.Corrosion Resistance: 253MA e na le khanyetso e ntle ea oxidation, ho hanyetsa mocheso o phahameng oa mocheso, le matla a hlollang a mocheso o phahameng oa mocheso.E sebetsa haholo ka har'a mocheso oa 850 ho isa ho 1100 ° C.
2.Mocheso oa Mocheso: Bakeng sa ts'ebetso e nepahetseng, 253MA e loketse ka ho fetisisa bakeng sa ho sebelisoa ka har'a mocheso oa 850 ho ea ho 1100 ° C.Lithempereichara tse pakeng tsa 600 le 850 ° C, liphetoho tsa sebopeho li etsahala, tse lebisang ho fokotseng matla a ts'ebetso mocheso oa kamore.
3.Mechanical Strength: Alloy ena e feta litšepe tse tloaelehileng tse sa hloekang, tse kang 304 le 310S, ho ea ka matla a nakoana a nako e khutšoanyane mochesong o fapaneng ka ho feta 20%.
4. Sebopeho sa Lik'hemik'hale: 253MA e na le lik'hemik'hale tse leka-lekaneng tse fanang ka ts'ebetso e ikhethang mochesong oa 850-1100 ° C.E na le khanyetso e phahameng haholo ea oxidation, e mamella mocheso ho fihla ho 1150°C.E boetse e fana ka khanyetso e phahameng ea creep le matla a creep fracture.
5.Corrosion Resistance: Ho phaella ho matla a eona a mocheso o phahameng, 253MA e bonts'a khanyetso e babatsehang ea mocheso o phahameng oa mocheso le ho senya ha borashe libakeng tse ngata tsa khase.
6.Strength: E na le matla a chai a phahameng le matla a ho tsitsa mocheso o phahameng.
7.Formability le Weldability: 253MA e tsejoa ka sebopeho sa eona se setle, ho cheseha, le machinability.
Nako ea poso: Oct-09-2023