Bapisa le 15CrMo le 1Cr5Mo
| 15CrMo | 1Cr5Mo | |||
| Mofuta: | Sebopeho sa Alloy Steel | Mocheso o Phahameng oa Mocheso oa Hydrogen Resistant | ||
| Karolo ea Lik'hemik'hale: | C | 0.12---0.180 | C | ≤0.15 |
| Si | 0.17--0.37 | Si | ≤0.5 | |
| Mn | 0.4--0.7 | Mn | ≤0.6 | |
| Cr | 0.8---1.10 | Cr | 4.0--6.0 | |
| Mo | 0.4--0.550 | Mo | 0.4--0.6 | |
| S&P | ≤0.035 | Ni | ≤0.6 | |
| S | ≤0.03 | |||
| Thepa ea Mechini: | Matla a Tensile (Mpa): | 440-640 | Matla a Tensile (Mpa): | 390 |
| Yield Point (Mpa) | 235 | Yield Point (Mpa) | 185 | |
| Elongation (%) | 21 | Elongation (%) | 22 | |
| mocheso kalafo mocheso: | 690 ℃ | 750 ℃ | ||
| Mocheso o lumelletsoeng: | 15CrMo＜1Cr5Mo | |||
| Khatello ea Maikutlo: | 15CrMo~1Cr5Mo | |||
| Micro structure: | Pearlite (bothata bo botle, boima bo itekanetseng) | Martensite (e thata ebile e brittle) | ||
| Maemo: | GB/T11251 | SA387 | ||
| Sebopeho: | E na le matla a phahameng a mocheso (δb≥440MPa) le khanyetso ea oxidation mocheso o phahameng, 'me e na le khanyetso e itseng ea hydrogen corrosion. Coefficient ea katoloso ea mocheso e nyane, conductivity ea mocheso e phahame, ts'ebetso ea ts'ebetso e ntle, mocheso ke likhato tse 450-620 tsa Celsius, tšekamelo e thata ea tšepe e hlakile, 'me weldability e fokola. E sebelisoa haholo ha ho etsoa li-turbine tsa mouoane le li-boilers, 'me e sebelisoa haholo ho li-tubes tse futhumatsang mocheso le likepe tse nang le mocheso o phahameng le oa khatello e phahameng. | E na le khanyetso e ntle ea oxidation hoo e ka bang likhato tse 650 tsa Celsius, matla a matle a mocheso a ka tlase ho 600, ho monya hantle le ho tsamaisa mocheso, 'me e sebelisoa haholo ho li-turbine tsa mouoane. Leha ho le joalo, mofuta ona oa tšepe o na le tšekamelo e kholo ea ho thatafatsa 'me o na le ts'ebetso e mpe ea tjheseletsa. E na le thepa e ntle ea mochini oa mocheso o phahameng, botsitso ba microstructure, ho hanyetsa kutu, le ho tiea ho hotle. E sebelisoa haholo ho petrochemical, phetolo ea mashala, matla a nyutlelie, block turbine block, boiler ea matla a mocheso le maemo a mang a thata a ts'ebetso, tikoloho e senyang ea media. | ||
| Kopo: | Petroleum, petrochemical, diboilers tse nang le kgatello e phahameng, le diphaephe tse ding tsa morero o kgethehileng tse senang moroko di kenyelletsa diphaephe tse diboelang tse senang moroko, dipeipi tsa tshepe tse se nang moroko, le diphaephe tse se nang moroko. Liphaephe le forgings li ka sebelisoa likepeng tsa khatello. Liphaephe tsa mouoane le lihlooho tse nang le mocheso oa lebota ≤510 ℃; Ho futhumatsa holim'a tube e nang le mocheso oa lebota ≤540 ℃. | Mocheso o phahameng oa sulfur corrosion, mocheso o phahameng oa hydrogen le hydrogen sulfide corrosion, corrosion ea organic acid. Reheater tube e nang le mocheso oa lebota oa 630 ℃ -650 ℃. Liphaephe le forgings li ka sebelisoa likepeng tsa khatello. Mocheso o phahameng oa sulfur corrosion, mocheso o phahameng oa hydrogen le hydrogen sulfide corrosion, corrosion ea organic acid. Reheater tube e nang le mocheso oa lebota oa 630 ℃ -650 ℃. | ||
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