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Cov Khoom Piav Qhia 40CrMnMo7 Hlau yog cov hlau zoo kawg nkaus nrog cov txheej txheem sib txawv uas ua rau nws muaj txiaj ntsig zoo hauv ntau yam kev siv. Cov qib steel no paub txog nws txoj kev sib xyaw ua ke zoo heev ntawm lub zog thiab toughness. Nws nthuav tawm lub zog tensile siab, ua rau nws ...
Cov qib steel no paub txog nws txoj kev sib xyaw ua ke zoo heev ntawm lub zog thiab toughness. Nws nthuav tawm lub zog tensile siab, ua rau nws tuaj yeem tiv taus cov khoom hnyav thiab cov neeg kho tshuab kev ntxhov siab yam tsis muaj kev cuam tshuam loj lossis tsis ua haujlwm. Nyob rau tib lub sijhawm, nws qhov zoo toughness tso cai rau nws nqus lub zog thiab tiv thaiv kev tawg, txawm tias nyob rau hauv kev ua haujlwm hnyav. Qhov kev sib xyaw tshwj xeeb ntawm lub zog thiab tawv ua rau 40CrMnMo7 Steel haum rau ntau hom kev thov, xws li hauv kev tsim cov tshuab hnyav, lub zog, thiab cov ncej.
Ntxiv nrog rau nws cov khoom siv kho tshuab, 40CrMnMo7 Steel kuj muaj qhov zoo hardenability. Nws tuaj yeem ua tau yooj yim hardened los ntawm cov txheej txheem kho cua sov uas tsim nyog, tso cai rau kev txhim kho cov txheej txheej tawv tawv thiab hnav-tiv taus. Cov cuab yeej no tau txais txiaj ntsig tshwj xeeb hauv cov ntawv thov uas cov khoom siv tau raug kev sib txhuam thiab kev puas tsuaj, vim nws pab txuas ntxiv lub neej kev pab cuam ntawm cov khoom.
| C | Si Tsawg dua los yog sib npaug |
Mn Tsawg dua los yog sib npaug |
P Tsawg dua los yog sib npaug |
S Tsawg dua los yog sib npaug |
Cr | Ni | Mo | Lwm yam |
|---|---|---|---|---|---|---|---|---|
| 0.35-0.45 | 0.20-0.40 | 1.30-1.60 | 0.035 | 0.035 | 1.80-2.10 | 0.15-0.25 |
| Cov khoom | Cov xwm txheej | ||
|---|---|---|---|
| T (degree) | Kev kho mob | ||
| Qhov ceev (× 1000 kg / m3) | 7.7-8.03 | 25 | |
| Poisson tus ratio | 0.27-0.30 | 25 | |
| Elastic Modulus (GPa) | 190-210 | 25 | |
| Tensile zog (Mpa) | 1158 | 25 | roj quenched, fine grained, tempered ntawm 425 degree |
| Yield zog (Mpa) | 1034 | ||
| Elongation (%) | 15 | ||
| Kev txo qis hauv cheeb tsam (%) | 53 | ||
| Hardness (HB) | 335 | 25 | roj quenched, fine grained, tempered ntawm 425 degree |
| Cov khoom | Cov xwm txheej | ||
|---|---|---|---|
| T (degree) | Kev kho mob | ||
| Thermal conductivity (W / mK) | 42.7 | 100 | |
| Thaum tshav kub kub (J / kg-K) | 477 | 50-100 | |
Cov alloy muaj pes tsawg leeg ntawm 40CrMnMo7 Steel suav nrog chromium, manganese, thiab molybdenum, uas ua rau nws cov khoom siv kho kom zoo dua qub thiab lwm yam kev xav tau. Chromium muab kev txhim kho hardenability thiab corrosion kuj, thaum manganese txhim khu cov hlau lub zog thiab toughness. Molybdenum ntxiv dag zog thiab hardenability, nrog rau kev txhim kho qhov kub thiab txias ntawm cov hlau.
Tsis tas li ntawd, 40CrMnMo7 Steel muaj kev qaug zog zoo. Nws tuaj yeem tiv taus rov qab thauj khoom thiab thauj mus los yam tsis muaj kev ua tsis tiav ntxov, ua rau nws tsim nyog rau cov ntawv thov uas cov khoom raug cuam tshuam rau kev thauj khoom.
Hauv kev lag luam aerospace, 40CrMnMo7 Steel yog siv los tsim cov khoom tseem ceeb xws li tsaws iav qhov chaw thiab cov khoom siv cav. Nws ua ke ntawm lub zog, toughness, thiab qaug zog kuj yog qhov tseem ceeb rau kev ua kom muaj kev nyab xeeb thiab kev ntseeg siab ntawm lub dav hlau.
Peb txaus siab rau peb lub peev xwm los muab cov kev cai daws teeb meem rau peb cov neeg siv khoom cov kev xav tau tshwj xeeb.
Peb txheeb xyuas thiab sib piv cov khoom dhau los thiab cov xwm txheej tam sim no ntawm peb 40CrMnMo7 Steel, thiab tsim cov txheej txheem tshiab thiab cov txheej txheem.
Peb cov neeg siv khoom ntseeg peb kom xa cov khoom zoo Cold-rolled Steel khoom raws sij hawm thiab ntawm pob nyiaj siv.
Peb nruj me ntsis siv cov kev pab cuam sov so thiab kev xav tom qab muag, ua raws li kev txhim kho kev ua haujlwm zoo.
Peb muab ntau hom Cold-rolled Steel khoom kom tau raws li cov neeg siv khoom xav tau.
Peb ua raws li cov neeg siv khoom-centric thiab hom-taw qhia kev lag luam lub tswv yim, thiab txuas ntxiv muab cov neeg siv khoom lag luam txhim khu kev qha thiab zoo heev thiab cov kev pabcuam.
Peb lub Hoobkas tau cog lus los txhawb nqa cov qauv siab tshaj plaws ntawm kev nyab xeeb thiab zoo.
Txhua tus neeg ua haujlwm ntawm peb lub tuam txhab thiab txhua lub tuam haujlwm ua haujlwm ua ke los ua ke kev tswj hwm kev lag luam, kev tshaj lij thev naus laus zis, kev txheeb cais ntau thiab kev kawm ideological.
Peb cov khoom siv Cold-rolled Steel paub txog lawv cov kav ntev thiab kev ntseeg tau.
Kev vam khom rau qhov zoo tshaj plaws thiab muaj txiaj ntsig zoo ntawm cov khoom loj, peb muaj peev xwm ua tau raws li qhov sib txawv ntawm peb cov neeg siv khoom.
Cim npe nrov: 40crmnmo7 steel, Tuam Tshoj 40crmnmo7 steel lwm tus neeg, hoobkas
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