Khoom Taw Qhia thiab Thov
20scr1mo1v yog lub siab-zog bolting steel nrog cov kws kho tshuab zoo tau thiab cov yam ntxwv kub.
20cr1mo1v steel muaj qib siab ntawm cov chromium (CR), mo), cov khoom siv dav hlau tuaj yeem txhim kho cov kws kho tshuab hluav taws xob muaj peev xwm txhim kho cov kws kho tshuab hluav taws xob tau zoo heev. Cov hlau muaj siab so kom tsis kam ntawm qhov kub ntawm 570, uas txhais tau hais tias nws cov duab thiab loj tuaj yeem ruaj khov nyob rau hauv kev ua haujlwm ntev thiab tsis yooj yim rau deform lossis pob txha lov. Nyob rau tib lub sijhawm, 20cr1mo1v hlau kuj muaj lub zog siab thiab ua kom muaj peev xwm tswj tau lub peev xwm zoo ntawm kev ntxhov siab ntau thiab ua rau muaj kev ntxhov siab nyuaj.
Ib qho ntxiv, 20Cro1V hlau tau siv dav hauv cov khoom siv tseem ceeb xws li cov pa taws kub thiab txias thiab muaj zog kub. Nws lub zog siab thiab lub zog siab ua kom muaj zog ua kom nws los tswj cov khoom siv tau ruaj khov hauv ib puag ncig muaj zog nyob rau hauv cov cuab yeej siv.
20scr 201cr1mo1v high-lub zog kub steel yog ib qho tseem ceeb heev nyob rau hauv kev teb cov teb vim yog nws muaj cov tshuaj muaj tshuaj lom neeg tsim qauv thiab cov yam ntxwv siab zoo.
Khoom Siv Khoom Siv Tshuaj Ntau
| Carbon (c) | 0.15%-0.23 |
| Silicon (si) | 0.2%-0.6 |
| Manganese (mn) | 0.4%-0.85 |
| Sulphur (s) | cia cov ntsiab lus tseem ceeb ntawm tsawg dua lossis sib npaug rau 0.025% |
| Phosphorus (p) | Cov ntsiab lus uas pub muaj nyob qis dua lossis sib npaug rau 0.025 |
| Chromium (cr) | 1.00%-1.50% |
| Npib tsib caug (ni) | Tsawg dua los yog sib npaug rau 0.3% |
| Tooj Liab (Cu) | cia cov ntsiab lus tseem ceeb ntawm tsawg dua lossis sib npaug rau 0.025 |
| Molybdenum (mo) | 0.90% ~ 1.20 |
| Vanadium (V) | 0.15% ~ 0.30 |
Cov Khoom Siv Cov Khoom Siv Neeg Kho Tshuab
| Lub zog tensile | 700MPA ~ 850MPA |
| Paib lub zog | Ntau dua los yog sib npaug rau 550mpa |
| Elongation | Ntau dua los yog sib npaug rau 16% |
| Kev nyuaj | Tsawg dua los yog sib npaug rau 241hb |
Kev Kho Cua Sov
① Hardening
Cua kub kub: Feem ntau 910-950 degree.
Lub Sijhawm Tuav: Feem ntau 1 teev rau txhua txhua 25 hli thickness.
Cua txias txoj kev: roj quenching tuaj yeem siv rau ntu nrog tus ntoo khaub lig loj dua 2 hli, thiab dej quenching tuaj yeem siv tau rau cov ntu uas muaj ntau dua 100 hli.
② Temper tempering
Cua sov kub: feem ntau ntawm 500-700 degree, raws li kev xav tau tshwj xeeb, yog tias koj xav kom tau txais cov koom haum uas npau taws, kub siab.
Lub sijhawm tuav: Tsis pub tsawg tshaj 6 teev.
Cua txias: Feem ntau siv cua txias kom tshem tawm quenching kev ntxhov siab, ruaj khov rau lub koom haum, txhim kho kev cuam tshuam thiab cuam tshuam cov brittleness tau hais txog los ntawm quenching.
③ Ua li qub
Cua sov kub: 860-890 degree.
Lub Sijhawm Tuav: 1 teev ib 25 hli tuab.
Cua txias txoj kev: huab cua txias. Kev kho kho ib txwm muaj peev xwm txhim kho lub koom haum qub ntawm cov khoom, tab sis kuj ua rau muaj kev zam txim rau lub koomhaum thiab lwm yam kev zam txim rau kev ua haujlwm thiab lwm yam kev ua haujlwm kub.
Cim npe nrov: 20cr1mo1v, Tuam Tshoj 20scr1MO1V Chaw Tsim Khoom, Cov Chaw Muag Khoom, Hoobkas
