GNEE 5083 H116 Marine-Qib Aluminium Phajyog lub siab -lub zog, corrosion-resistant alloy dav siv nyob rau hauv shipbuilding thiab offshore daim ntaub ntawv, nrog raunkoj nuv ntses, workboats, ferries, thiab structural marine Cheebtsam. Nws kev sib xyaw ua ke ntawm kev ua haujlwm zoo, weldability zoo heev, thiab cov dej hiav txwv zoo dua corrosion ua rau nws yog qhov kev xaiv zoo tshaj plaws rau cov neeg tsim nkoj thiab cov kws ua haujlwm hauv hiav txwv.
Nta thiab Functions
Zoo heev seawater corrosion kuj:Zoo tagnrho rau hulls, decks, thiab superstructures raug rau marine ib puag ncig
Siab zog:Muaj zog dua li ntau hom 5xxx series alloys (piv txwv li, 5052), tso cai rau nyias, sib zog ua qauv
Zoo weldability:Tau tshaj MIG (GMAW), TIG (GTAW), thiab submerged arc vuam, txhawb cov pob qij txha muaj zog
Ua haujlwm tau:Haum rau kev khoov, yob- ua, machining, thiab hull plating daim ntaub ntawv
Zoo qaug zog tiv thaiv:Ua tau zoo nyob rau hauv cyclic loading los ntawm nthwv dej thiab cav vibrations
Repairable thiab recyclable:Txhawb nqa kev tu lub neej thiab kev ruaj ntseg
Cov ntawv thov Marine Hom
Me me mus rau nruab nrab nuv ntses nkoj hulls thiab decks
Cov nkoj taug kev, cov nkoj cawm siav, thiab cov nkoj ua si
Cov nkoj ua haujlwm, cov nkoj xa khoom, thiab cov neeg coob hloov nkoj
Hull stringers, thav duab, bulkheads, thiab cov tswv cuab ntawm cov qauv
Superstructures, deckhouses, thiab cov khoom raug cuam tshuam rau qhov hnyav marine ib puag ncig
Standards & Specifications
ASTM B928/B928M- Aluminium-Alloy Phaj, Sheet, thiab Sawb rau Marine Applications
EN 485-2 / EN 573 / EN 545- Cov qauv European rau kev sib xyaw thiab cov khoom siv tshuab
TS EN ISO 6361 Cov- Wrought aluminium thiab aluminium alloys (cov ntawv, strips, daim hlau)
Classification Society:ABS, DNV-GL, Lloyd's Register
Chemical Composition (Tswj Limits, wt%)
| Element | Hom | Standard Range |
|---|---|---|
| Aluminium (Al) | Tshuav | Tshuav |
| Magnesium (Mg) | 4.0 – 4.9 | 4.0 – 4.9 |
| Manganese (Mn) | 0.4 – 1.0 | 0.4 – 1.0 |
| Chromium (Cr) | 0.05 – 0.25 | 0.05 – 0.25 |
| Hlau (Fe) | Tsawg dua lossis sib npaug li 0.40 | Tsawg dua lossis sib npaug li 0.40 |
| Copper (Cu) | Tsawg dua lossis sib npaug li 0.10 | Tsawg dua lossis sib npaug li 0.10 |
| Zinc (Zn) | Tsawg dua lossis sib npaug li 0.25 | Tsawg dua lossis sib npaug li 0.25 |
| Titanium (Ti) | Tsawg dua los yog sib npaug li 0.15 | Tsawg dua los yog sib npaug li 0.15 |
| Lwm tus (txhua) | Tsawg dua los yog sib npaug li 0.05 | Tsawg dua los yog sib npaug li 0.05 |
| Lwm tus (tag nrho) | Tsawg dua los yog sib npaug li 0.15 | Tsawg dua los yog sib npaug li 0.15 |
Cov khoom lag luam 5083 muaj ~ 4.5% Mg, ~ 0.7% Mn, thiab qis Cr rau grain tswj thiab corrosion kuj. Tus nqi tseeb nyob ntawm cov qauv thiab daim ntawv pov thawj zeb.
Mechanical Properties (Hom los ntawm Temper)
| Khoom | H111 (ze -ntxiv) | H112 / O | H116 / H321 | H32 / H116 variants |
|---|---|---|---|---|
| Tensile zog (MPa) | 290 – 330 | 275 – 305 | 305 – 355 | 300 – 350 |
| Yield zog 0.2% (MPa) | 130 – 200 | 125 – 190 | 145 – 275 | 145 – 260 |
| Elongation (%) | 10 – 22 | 12 – 25 | 8 – 20 | 9 – 20 |
| Hardness (HB) | ~60 – 80 | ~55 – 75 | ~70 – 95 | ~65 – 90 |
Cov nqi sib txawv nrog cov phaj thickness, temper, thiab tus qauv. H116/H321 yog dav siv nyob rau hauv lub hull daim hlau rau txhim kho kev nyuaj siab -corrosion cracking (SCC) kuj.
Tempering thiab kub kho
5083 uanon-kub- kho tau; lub zog yog ua tiav los ntawm kev ua haujlwm txias thiab ruaj khov. Common tempers muaj xws li:
| Kub | Kev piav qhia | Siv dav |
|---|---|---|
| O (annealed) | Softened los ntawm kev kho cua sov | Tsim, sib sib zog nqus kos duab |
| H111 | Nyuaj me ntsis - tawv | Kev sib haum xeeb |
| H112 | Raws li -fabricated | General phaj khoom |
| H116 / H321 | Lim-hardened thiab thermal-stabilized | Marine hulls - txhim kho SCC tiv thaiv |
| H32 | Lim- hardened thiab stabilized | Nruab nrab lub zog thiab formability |
H116 los yog stabilized tempers yog nyiam rau marine siv los tiv thaiv intergranular corrosion thiab kev nyuaj siab -corrosion tawg tom qab vuam.
Vuam thiab Fabrication
Vuam txoj kev:MIG (GMAW), TIG (GTAW), Submerged Arc (SAW), welding
Filler alloys:ER5356 pom zoo; ER5183 ua lwm yam
Preheat:Tsis feem ntau yuav tsum tau; saib xyuas thickness thiab sib koom tsim
Ncej -weld:HAZ lub zog yuav txo tau; stabilized tempers tuav corrosion kuj
Khoov / sib sau:Siv qhov khoov radii raws li qhov kub thiab txias kom tsis txhob tawg
Corrosion Resistance
Cov dej hiav txwv zoo heev thiab cov huab cua hauv hiav txwv tsis kam vim muaj Mg cov ntsiab lus siab thiab tswj cov impurities
Resistant rau corrosion thiab pitting dav dav; stabilized H116/H321 tempers pab tiv thaiv SCC
Cov txheej txheem tiv thaiv (xim xim, anodizing) thiab anodes sacrificial (zinc / aluminium) feem ntau siv
Phaj Thickness thiab hom
| Daim ntawv thov | Yam Thickness (mm) |
|---|---|
| Lub nkoj me me hull plating | 2 – 6 |
| Commercial nuv ntses nkoj hulls | 4 – 12 |
| Workboats / Patrol nkoj | 6 – 20 |
| Cov tswv cuab / cov ncej | 6 – 50+ |
Thickness xaiv nyob ntawm seb lub nkoj loj, kev faib tawm, thiab kev thauj khoom. Cov phaj yog muab rau zeb- tiav, tua- blasted, los yog coated raws li xav tau.
Lub cev muaj zog
| Khoom | Tus nqi |
|---|---|
| Qhov ntom | 2.66-2.70 g / cm³ |
| Melting Range | 590-650 degree |
| Modulus ntawm Elasticity | ~ 69 GPa |
| Thermal conductivity | 120 – 140 W/m·K |
| Hluav taws xob conductivity | 34-36% IAB |
| Coefficient ntawm Thermal Expansion (20-100 degree) | 23.5 × 10⁻⁶ / degree |
Kev tsim thiab kev xav txog kev tsim qauv
Tus account rau dov -induced anisotropy thiab HAZ softening nyob rau hauv welded cheeb tsam
Kev tsim kev qaug zog: suav nrog kev tawg - nres cov yam ntxwv thiab kev saib xyuas kom meej
Siv cov fasteners sib xws kom tsis txhob galvanic corrosion
Siv cov txheej txheem tiv thaiv, ua kom cov kua dej kom zoo, thiab tswj kev tiv thaiv cathodic
Kev Tswj Xyuas Zoo thiab Kev Xeem
Mill Test Certificate (MTC):Chemical thiab mechanical test reports rau txhua pawg
Tsis yog -kev kuaj kev puas tsuaj (NDT):UT rau thickness / tsis xws luag; dye penetrant rau nto tawg; radiography yog tias xav tau
Mechanical xeem:Tensile, hardness, thiab corrosion nyob rau hauv kev faib ua pawg neeg cov qauv
Welding ntawv pov thawj:WPS / PQR thiab welder tsim nyog rau EN ISO 9606, ASME
Piv txwv Specification
Alloy: 5083
Kub:H116 (stabilized)
Thickness:4mm (piv txwv li)
Phaj loj:Txog li 3000 hli dav × kev cai ntev
Nto tiav:Mill tiav lossis txhaj tshuaj - tawg
Tshuaj ntsuam xyuas:TS EN 573 / ASTM B928 / EN 573 / ASTM B928 / EN 573 / EN 573 / ASTM B928 / EN 573 / EN 573 / ASTM B928 / EN 573 / EN 573 / ASTM B928 / EN 573 / ASTM B928 / EN 573 / EN 573 / ASTM B928 / EN 573 / EN 573 / EN 573 / ASTM B928 / EN 573 / EN 573 / ASTM B928 / EN 573 / EN 573 / EN 573 / ASTM B928 / EN 573 / ASTM B928 / EN 573 / EN 573 / EN 573 / ASTM B928 / EN 573 / EN 573 / ASTM B928 / ASTM B928)
Mechanical zog:Yield Ntau dua lossis sib npaug rau 145 MPa, Tensile Ntau dua lossis sib npaug li 300 MPa
Vuam filler:5356 (los yog ib qho spec)
Ntawv pov thawj:MTC EN 10204 3.1 / cais pawg neeg raws li xav tau
Qhov zoo vs. Cov khoom sib tw
Vs. hlau me me:~ 1/3 hnyav, superior corrosion kuj, yooj yim fabrication; yuav tsum tau ua tib zoo tsim kev qaug zog
Vs . 6061 aluminium:Zoo seawater corrosion kuj thiab weldability; 6061 tej zaum yuav muaj zog dua hauv cov cua sov- cov ntawv kho
Vs. Composites/GRP:Superior cuam tshuam tsis kam, recyclability, repairability; Composites tej zaum yuav sib zog rau cov duab complex
Kev tuav, ruaj khov, thiab tu
Khaws daim hlau tiaj tus, ventilated, tawm hauv av, kom deb ntawm cov hlau tsis sib xws
Tsis txhob alkaline/acidic contact thiab hlau/steel paug
Tshawb xyuas pitting, crevice corrosion, thiab fastener kev ncaj ncees; tswj cov txheej txheem thiab cov tshuab anode
GNEE 5083 H116 txhuas phajmuab ibsiab- zog, corrosion-resistant, weldable, thiab qaug zog-cov tshuaj tiv thaivraumarine hulls, superstructures, offshore nkoj, thiab structural marine Cheebtsam, xyuas kom durability thiab kev ntseeg siab nyob rau hauv hnyav seawater ib puag ncig.
