| C Tsawg dua los yog sib npaug |
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 |
|---|---|---|---|---|---|---|
| 0.52-0.60 | 1.60-2.00 | 0.60-0.90 | 0.025 | 0.025 | Tsawg dua lossis sib npaug rau 0.40 | Tsawg dua lossis sib npaug rau 0.40 |
| Mo | Al | Cu | Nb | Ti | V | Ce |
| Tsawg dua lossis sib npaug rau 0.10 | ||||||
| N | Co | Pb | B | Lwm yam | ||
| Cu+10Sn+-0.60 | ||||||
55Si7 Caij nplooj ntoos hlav Steels
Cov Khoom Piav Qhia 55Si7 caij nplooj ntoos hlav steels tau txais txiaj ntsig zoo hauv kev lag luam thiab kev tsim khoom rau lawv cov khoom tshwj xeeb thiab ntau yam. Cov hlau no paub txog lawv lub zog zoo kawg li, durability, thiab resilience. Qhov tshwj xeeb muaj pes tsawg leeg ntawm 55Si7 caij nplooj ntoos hlav steels muab lawv ...
Hauj lwm lawm
Khoom Description
55Si7 Chemical composition thiab Mechanical Properties
Mechanical Properties
| 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 |
Thermal Properties
| 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 | |
55Si7 caij nplooj ntoos hlav steels tau txais txiaj ntsig zoo hauv kev lag luam thiab kev tsim khoom rau lawv cov khoom tshwj xeeb thiab ntau yam. Cov hlau no paub txog lawv lub zog zoo kawg li, durability, thiab resilience.
Qhov tshwj xeeb muaj pes tsawg leeg ntawm 55Si7 caij nplooj ntoos hlav steels muab lawv cov yam ntxwv zoo. Lawv feem ntau muaj kev sib xyaw ntawm silicon, manganese, thiab carbon, uas ua rau lawv lub zog tensile siab thiab zoo elasticity. Qhov no tso cai rau lawv tiv taus cov khoom hnyav thiab rov qab kev ntxhov siab yam tsis tau poob lawv cov duab lossis kev ncaj ncees.
Ib qho txiaj ntsig tseem ceeb ntawm 55Si7 lub caij nplooj ntoos hlav steel yog lawv lub peev xwm rov qab mus rau lawv cov qauv qub tom qab deformed. Cov cuab yeej no, lub npe hu ua resilience, ua rau lawv zoo tagnrho rau cov ntawv thov uas cov springs yuav tsum tau nqus kev poob siab thiab lub zog. Txawm hais tias nws yog nyob rau hauv tsheb ncua kev kawm ntawv, kev siv tshuab, lossis cov khoom siv hauv tsev, 55Si7 steels muab kev ntseeg tau thiab ua tau zoo.
Ntxiv nrog rau lawv lub zog thiab kev ua haujlwm siab, cov hlau no kuj muaj kev tiv thaiv corrosion zoo. Qhov no yog qhov tseem ceeb tshwj xeeb hauv cov ntawv thov uas cov springs tuaj yeem raug ya raws, tshuaj lom neeg, lossis lwm yam corrosive. Qhov kev tiv thaiv corrosion pab txuas ntxiv lub neej kev pab cuam ntawm cov springs thiab txo qhov kev xav tau ntawm kev tu thiab hloov ntau zaus.
Cim npe nrov: 55si7 caij nplooj ntoos hlav steels, Tuam Tshoj 55si7 caij nplooj ntoos hlav steels lwm tus neeg, hoobkas
Tom ntej: SAE 9255 Alloy hlau
