Thaum daim nqi ntawm cov khoom siv hauv nkoj sau 5083 txhuas phaj rau lub nkoj, lub nkoj nrawm, lossis cov qauv sab nrauv, cov kab npauj npaim feem ntau nyeem H116 lossis H321. Ob leeg yog cov lus teb raug cai rau tib lo lus nug: hom twg - hardened 5083 temper tau pom zoo rau kev pabcuam dej hiav txwv txuas ntxiv? Ntau qhov kev tsis sib haum xeeb hauv kev ua lag luam yog los ntawm kev kho ob lub siab raws li cov ntaub ntawv sib txawv thaum lawv nyob, hauv kev xyaum, ob txoj kev zeb mus rau tib lub hnab ntawv ASTM B928.
Phau ntawv qhia no yog sau rau cov kws tsim khoom muag thiab QC pab pawg uas xav tau los sib piv cov nqe lus, tshawb xyuas daim ntawv pov thawj, thiab tiv thaiv cov khoom xaiv rau pem hauv ntej ntawm tus neeg soj ntsuam kev faib tawm. Nws npog dab tsi temper codes txhais tau tias, yam tsawg kawg nkaus cov khoom teev nyob rau hauv tus qauv, kev ntsuam xyuas corrosion tom qab txhua daim ntawv pov thawj, thiab cov ntaub ntawv koj yuav tsum tau thov nrog daim hlau.
Temper Codes H116 thiab H321 txhais li cas
5083 yog ib qho uas tsis yog- cua sov- kho tau txhuas-magnesium alloy: lub zog los ntawm kev ua haujlwm txias, tsis yog los ntawm kev kho cua sov. Nws cov nominal muaj pes tsawg leeg, raws li ISO 209 thiab EN 573-3, yog:
| Element | Ntau yam (qhov hnyav%) | Element | Ntau yam (qhov hnyav%) |
|---|---|---|---|
| Mg | 4.0 – 4.9 | Cu | Tsawg dua lossis sib npaug li 0.10 |
| Mn | 0.40 – 1.0 | Zn | Tsawg dua lossis sib npaug li 0.25 |
| Cr | 0.05 – 0.25 | Ti | Tsawg dua los yog sib npaug li 0.15 |
| Fe | Tsawg dua lossis sib npaug li 0.40 | Al | seem |
| Si | Tsawg dua lossis sib npaug li 0.40 | Lwm tus, txhua tus / tag nrho | Tsawg dua lossis sib npaug li 0.05 / Tsawg dua lossis sib npaug li 0.15 |
Tsev neeg H temper
Qhov "H" ua ntej npog cov kab mob -cov khoom tawv. Thawj tus lej tom qab H npe txoj kev:H1= strain- hardened nkaus xwb;H2= strain- hardened ces ib nrab annealed;H3= strain- hardened ces stabilized;H4= strain- hardened ces lacquered los yog pleev xim rau. Tus lej thib ob qhia tias qib hardening (1=yim- nyuaj txog 8=puv- nyuaj).
Rau kev pabcuam hauv hiav txwv, H116 thiab H321 yog tshwj tseg rau 5xxx alloys nrog 3 % lossis ntau dua nominal magnesium - ASTM B209 / B209M-21a, Lus Cim 3, taw qhia rau ASTM B928 rau raws nraim ob lub sijhawm no. ASTM B928 ntxiv qhov yuav tsum tau kuaj corrosion nyob rau sab saum toj ntawm cov khoom siv kho tshuab, uas yog vim li cas cov tempers no tau ntseeg siab rau kev tsim lub nkoj.
5083-H116: tswj cov tawv nqaij tawv
Lub "16" yog ib tug tshwj xeeb marine designation, tsis yog tus qauv hardening tus lej. H116 phaj yog strain-hardened (txias dov) nyob rau hauv kev tswj mill processing - dov kub,℃ntawm txias ua hauj lwm, thiab txias sib lawv liag yog tswj kom lub kawg microstructure resists exfoliation thiab intergranular nres nyob rau hauv seawater. Tsis muaj kev kho cua sov stabilizing yog siv, thiab tus npau taws yog tsim yam tsis muaj annealing tom ntej.
5083-H321: strain hardened thiab stabilized
H321 yog strain- hardened mus rau qib tswj thiab tom qab ntawd muab qhov qis -kub stabilizing kho. Stabilizing txwv lub hnub nyoog qis dua - softening uas hnyav hnyav - ua haujlwm siab -magnesium alloys tuaj yeem pom nyob rau lub sijhawm ua haujlwm ntev, kaw cov khoom siv hauv qhov chaw. Cov kev kuaj pom zoo yuav tsum tau ua los ntawm ASTM B928 yog tib yam rau cov uas siv rau H116.
Nyeem ntxiv:5083 H116 / H321 Marine Aluminium Phaj
Mechanical Properties: Tib yam tsawg kawg nkaus, me ntsis txawv qhov rais
Raws li ASTM B928 / B928M-15 (2023)e1, yam tsawg kawg nkaus txhua yam yuav tsum tau rau 5083 phaj nyob rau hauv ob qho tib si tempers yog tib yam nyob rau hauv lub thickness npog ntau yam:
| Khoom (5083, ASTM B928 / B928M) | 5083-H116 | 5083-H321 |
|---|---|---|
| Qhov kawg tensile zog, min | 305 MPa rau | 305 MPa (qhib ntau txog 358 MPa) |
| Yield zog (0.2% pov thawj), min | 215 MPa | 215 MPa |
| Elongation, min (50 hli ntsuas) | 10 % | 10 % |
Tus qauv cov ntxhuav sib txawv me ntsis nrog tuab, yog li paub meej tias qhov tseem ceeb rau koj qhov ntsuas qhov tseeb hauv B928 / B928M tam sim no ua ntej ua tiav qhov kev qhia tshwj xeeb. Cov txiaj ntsig zeb zoo zaum saum qhov tsawg kawg nkaus - luam tawm UTS ib txwm rau 5083-H116 yog li 317 MPa - thiab qhov ntsuas qhov tseeb rau txhua qhov ntau tau teev nyob rau hauv daim ntawv pov thawj zeb xeem, tsis kwv yees los ntawm daim ntawv teev cov ntaub ntawv.
Corrosion Resistance: Tib Qhov Kev Xeem, Tib Qhov Kev Txwv
ASTM B928 cov ntsiab lus ob leeg tempers rau tib yam ntau- tso tawm kev kuaj corrosion:
- ASTM G66-23 (ASSET xeem):tas mus li -immersion exfoliation test rau 5xxx alloys; cov khoom siv tau pom tias tsis muaj exfoliation tseem ceeb.
- ASTM G67-24a (NAMLT test):nitric acid huab hwm coj- poob kev sim rau susceptibility rau intergranular corrosion; Kev poob loj yuav tsum poob rau hauv B928 kev lees txais txwv.
- Microstructural check:microstructure ntawm tus qauv los ntawm txhua qhov ntau lawm yog muab piv nrog tus tsim tawm -tsim siv photomicrograph, raws li xav tau los ntawm B928.
Hauv luv luv, H116 phaj thiab H321 phaj uas ob leeg nqa daim ntawv pov thawj B928 tau ua raws li cov qauv kev lees paub zoo ib yam. Tsis txhob npau taws yog qhov zoo dua hauv dej hiav txwv; kev xaiv ntawm lawv yog kev txiav txim siab yuav khoom, tsis yog metallurgical.
Kev ceev faj siv rau ob qho tib si tempers
High-magnesium 5xxx alloys tuaj yeem ua rau muaj kev hnov mob yog tias tuav ntawm qhov kub siab rau lub sijhawm ntev, uas txo qis kev tiv thaiv rau intergranular corrosion. Cov kev cai tsim qauv feem ntau cap tas mus li qhov ntsuas kub rau 5083 nyob ib ncig ntawm 65℃- lees paub qhov txwv hauv chav kawm txoj cai siv tau rau koj lub nkoj ua ntej ua tiav qhov tsim. Kev pheej hmoo ntawm kev puas siab puas ntsws zoo ib yam rau H116 thiab H321 vim tias nws nyob ntawm qhov muaj pes tsawg leeg thiab keeb kwm thermal, tsis yog ntawm txoj kev npau taws.
Weldability thiab Fabrication
Ob leeg tempers yog welded nrog tib cov muab tub lim: ER5183 lossis ER5356 rau AWS A5.10. Thaum tshav kub kub- thaj tsam cuam tshuam khaws cia lub zog txaus rau kev pabcuam lub nkoj thaum vuam txheej txheem tsim nyog rau 5083, thiab ob qho tib si tempers yog niaj hnub MIG-welded nyob rau hauv ceev-ferry thiab patrol- khoom siv tes ua. Cov phaj yog txiav los ntawm plasma lossis waterjet, tsim txias, thiab tsis xav tau kev tshaj tawm -weld heat treatment. Thaum tshav kub kub input yuav tsum tau tswj raws li kev pom zoo welding txheej txheem specification (WPS) kom sov{11}} cuam tshuam - cheeb tsam softening nyob rau hauv tsim margins.
H116 lossis H321: Qhov Kev Txiav Txim Li Cas?
Thaum ob leeg npau taws ua tau raws li tus qauv qub, qhov kev txiav txim siab los rau plaub yam ua tau zoo:
- Kev pom zoo tsim:chav kawm -pom zoo cov duab kos feem ntau hu ua ib tus npau taws. Hloov lwm qhov yuav tsum tau sau ntawv pom zoo los ntawm tus tsim qauv thiab pawg neeg sib faib.
- Muaj thiab lub sijhawm ua haujlwm:mills nqa cov khoom sib txawv rau H116 thiab H321; sij hawm xa khoom feem ntau txiav txim siab.
- Nqe:kev lag luam pricing ntawm ob tempers hloov; piv landed nqi ntawm tib thickness thiab dav.
- Ntawv pov thawj:ob leeg tempers tau ntawv pov thawj los ntawm tib txoj kev (hauv qab no); tsis muaj qhov sib txawv hauv cov ntaub ntawv siv zog.
Hauv GNEE txoj haujlwm marine ob leeg tempers yog stocked thiab certified. Qhia rau peb seb koj qhov kev pom zoo kos duab xav tau dab tsi, thiab peb muab raws nraim li ntawd, nrog rau cov ntaub ntawv sib raug.
Daim ntawv pov thawj thiab cov ntaub ntawv thov
Rau marine hull phaj, cov ntaub ntawv tseem ceeb npaum li chemistry. Thov los ntawm koj tus neeg muag khoom:
- IbASTM B928 Cov Lus Qhia Ua Raws Cai, nrog rau ASTM G66 thiab G67 xeem tau rau ntau.
- IbEN 10204 Hom 3.1zeb xeem daim ntawv pov thawj (los yog Hom 3.2 nrog ib tus kws tshawb fawb ywj pheej) cov npe ntawm cov khoom sib xyaw, cov txiaj ntsig zoo, thiab cov lej kub.
- A daim ntawv pov thawj cov ntaub ntawv(DNV, ABS, LR, BV, lossis CCS) qhov twg daim ntawv cog lus yuav tsum muaj chav kawm - cov ntaub ntawv pom zoo.
- Thaum tshav kub kub thiab ntau yam cimntawm txhua lub phaj, yog li txhua daim ntawv pov thawj tuaj yeem taug qab mus rau cov khoom xa tuaj.
GNEE muab 5083-H116 thiab 5083-H321 phaj nrog cov ntaub ntawv no, suav nrog cov ntaub ntawv pov thawj hauv chav kawm rau cov khoom siv ceev ceev, cov nkoj saib xyuas, thiab cov qauv kev lag luam marine.
RFQ Daim Ntawv Teev Npe rau 5083 Marine Phaj
- Alloy thiab temper: 5083-H116 los yog 5083-H321.
- Txheem: ASTM B928 (xws li tsab ntawv yog tias koj daim ntawv cog lus kho ib qho).
- Qhov Loj: thickness × dav × ntev, nrog rau chav kawm kam rau ua (ASTM B209 tolerances).
- Kev faib haiv neeg thiab hom kev pom zoo, yog tias xav tau.
- Cov ntaub ntawv xeem: EN 10204 Hom 3.1 / 3.2, ASTM G66 / G67 qhia.
- Ntau, qhov chaw nres nkoj xa khoom (Incoterm), thiab lub hom phiaj xa khoom hnub.
Xa rau 6 yam khoom no rau info@gneealu.com thiab koj yuav tau txais ib daim ntawv sau hais hauv 24 teev, nrog rau cov khoom loj thiab dov lub sij hawm rau qhov loj me.
