5251 Aluminium Sheet Taw qhia
5251 Aluminium Sheet Taw qhia
5251 txhuas ntawv yog ib qho nruab nrab lub zog alloy nrog zoo ductility thiab formability. Nws yog dav siv nyob rau hauv marine thiab offshore daim ntaub ntawv vim nws zoo heev corrosion kuj, tshwj xeeb tshaj yog nyob rau hauv dej ntsev ib puag ncig. Nws kuj muaj qhov zoo weldability thiab workability, ua rau nws haum rau ntau yam fabrication txheej txheem. 5251 txhuas ntawv yog muaj nyob rau hauv txawv tempers, xws li O (annealed), H22 (lub quarter nyuaj), H24 (ib nrab nyuaj), thiab H26 (peb lub hlis twg nyuaj).
Tshuaj muaj pes tsawg leeg
Cov tshuaj muaj pes tsawg leeg ntawm 5251 txhuas ntawv yog qhia nyob rau hauv cov lus hauv qab no. Lub ntsiab alloying ntsiab yog magnesium thiab manganese, uas txhim khu lub zog thiab corrosion kuj ntawm alloy. Lwm cov ntsiab lus muaj nyob rau hauv cov lej.
| Element | % Tam sim no |
|---|---|
| Cu | 0.15 |
| Mg | 1.7-2.4 |
| Si | 0.4 |
| Fe | 0.5 |
| Mn | 0.1-0.5 |
| Zn | 0.15 |
| Ti | 0.15 |
| Cr | 0.15 |
| Al | Tshuav |
Mechanical Properties
Cov khoom siv ntawm 5251 txhuas ntawv sib txawv nyob ntawm qhov kub thiab txias ntawm cov khoom. Cov lus hauv qab no qhia txog cov txiaj ntsig zoo rau qee qhov kev kub ntxhov thiab tuab.
| Kub | Thickness (hli) | Pov thawj Stress (MPa) | Tensile zog (MPa) | Hardness (HB) |
|---|---|---|---|---|
| O | 0.2-50 | 60 feeb | 160-200 | 44 |
| H22 | 0.2-25 | 120 feeb | 190-230 | 56 |
| H24 | 0.2-12.5 | 140 feeb | 210-250 | 62 |
| H26 | 0.2-4 | 170 feeb | 230-270 | 69 |
Lub cev muaj zog
Lub cev muaj zog ntawm 5251 txhuas ntawv yog teev nyob rau hauv cov lus hauv qab no.
| Khoom | Tus nqi |
|---|---|
| Qhov ntom | 2.69 g / cm3 |
| Melting Point | 625 degree |
| Modulus ntawm Elasticity | 70gpa ua |
| Hluav taws xob Resistivity | 0.44 x 10-6 Ω.m |
| Thermal conductivity | 134 W/m.K |
| Thermal Expansion | 25 x 10-6 /K |
Daim ntawv thov
5251 txhuas ntawv muaj ntau yam kev siv hauv ntau yam lag luam, xws li:
Nkoj
Marine structures
Cov khoom siv dav hlau
Tsheb panels
Rooj tog tubing
Silos
Ntim
Fabrication
5251 txhuas ntawv tuaj yeem tsim los ntawm ntau txoj kev, xws li:
Txiav
Khoov
tsim
Drilling
xuas nrig ntaus
Riveting
Vuam
Vuam
5251 txhuas ntawv yog ib qho yooj yim weldable alloy los ntawm ob qho tib si roj thiab arc vuam txoj kev. Qhov pom zoo muab tub lim hlau yog 5356 thaum vuam rau nws tus kheej, rau lwm yam 5XXX series alloys, rau 6XXX series alloys, los yog rau 7XXX series alloys. Qhov pom zoo muab tub lim hlau yog 4043 thaum vuam rau 5005, 5020, lossis rau ib qho ntawm 1XXX lossis 3XXX series alloys.
Tshuab dhos
5251 txhuas ntawv muaj qhov nruab nrab machinability piv rau lwm cov txhuas alloys. Lub machinability nyob ntawm tus npau taws ntawm cov khoom, nrog softer tempers yog yooj yim rau tshuab dua harder sawv daws yuav. Kev siv cov roj nplua nyeem thiab cov cuab yeej ntse tuaj yeem txhim kho kev ua haujlwm zoo.
Ua tiav
5251 txhuas ntawv tuaj yeem ua tiav los ntawm ntau txoj kev, xws li:
Anodizing
Kev pleev xim
Hmoov txheej
Polishing
txhuam hniav
Xa kev nug
