Cov Khoom Taw Qhia thiab Siv
Nkoj nrog 15crni3mov code 925A Steel Forging steel yog lub siab-zog forging steel siv nyob rau hauv txuas nrog nkoj nrog 921a steel phaj. Nkoj nrog 5crni3mov steel forging steel specification yog qhov kev siv rau lub nkoj ntawm cov neeg ua tub rog hauv lub nroog 925A Lub Nkoj Forginging Hlau.
Cov hlau thiab lawv cov alloys fim corrosion loj heev hauv thaj chaw marade, cov nkoj thiab cov hlab ntsha, cov hlab ntsha rho tawm cov platform thiab lwm yam. Cathodic kev tiv thaiv tshuab tuaj yeem muab kev tiv thaiv zoo rau cov hlau thiab lawv cov alloys hauv ib puag ncig marine. Tsoos Cathodic kev tiv thaiv suav nrog ob txoj hauv kev: kev fij tau thiab thov tam sim no.
Khoom Siv Khoom Siv Tshuaj Ntau
Cov pa roj carbon C: 0.3 ~ 0.4, silicon Si: 0.17, Mackanese MN: 0.7, Nickel Ni: 2.75, Molybdenum Mo: 0.4 ~ 0.6.
Cov Khoom Siv Neeg Kho Tshuab Ntawm Cov Ntaub Ntawv
| Lub zog tensile σB (Mpa) | 390~570 |
| Putle Zog σS (Mpa) | ≤16:>295;>16~35:>275;>35~50 |
| Thaum | >255;>50~100:>235 |
| Elongation Δ5 (%) | >23 |
Kev Kho Cua Sov
Kauj ruam S1, raws li cov khoom siv hlau tsim, cov khoom siv raw tau melted; Kauj ruam S2, Forging kev kho mob ua ntej; Kauj Ruam S3, Forging, suav nrog peb lub sijhawm hluav taws: (1) Cov cua kub thawj zaug, tom qab uas cov ntaub ntawv forging yuav yog ntu ntu, chim siab; (2) Lub sijhawm hluav taws kub thib ob, Forging cua sov, forging cua sov, tom qab kev lom zem nyob rau hauv lem rub ntev, chim siab, xuas nrig ntaus, xuas nrig (3) Qhov hluav taws xob thib peb, Forging cua sov, kev zam txim rau kev kho kom sov ntawm 11001130 Degree, suav nrog cov kauj ruam sov, (1) Forging tom qab nthuav dav ntawm hydrogen anealing kev kho; (2) kev zam txim rau kev siv tshuab ntxhib machining; (3) Kev kho tempering, qhov zoo ntawm cov kev ua txhaum ntawm lub koom haum ua kom tawv, yog li kev sib cais ntawm cov kev sib txuam, yog li kev txhim kho cov kev cuam tshuam nyuaj ntawm cov khoom.
Cim npe nrov: 925A Hlau, Tuam Tshoj 925A Hlau Manufacturers, Lwm tus neeg, Hoobkas
