S690QL yog ib qho siab -yield zog structural steel (HSLA) paub txog nws lub zog tshwj xeeb (tsawg kawg 690 MPa tawm los) thiab toughness, ua rau EN 10025-6 tus qauv siv lub quench thiab temper cua sov kho, tso cai rau sib dua, ntau npaum li cas tsim nyob rau hauv hnyav-duty daim ntaub ntawv, thiab cov khoom siv zoo li cranes, thiab lwm yam. formability txawm xav tau ceev faj tuav vim nws lub zog. Nws lub npe txhais tau hais tias "Structural" (S), "690 MPa" yam tsawg kawg nkaus, "Quenching" (Q), thiab "Low" kub toughness (L).
Cov yam ntxwv tseem ceeb
Siab zog:Yam tsawg kawg nkaus lub zog ntawm 690 MPa (rau cov seem thinner), ua kom cov qauv sib dua thiab muaj peev xwm ua kom muaj zog ntxiv.
Quenched & Tempered (Q + T):Thaum tshav kub kub kev kho mob muab superior zog, toughness, thiab durability.
Zoo heev Toughness:Lub zog muaj zog zoo txawm tias qhov kub thiab txias (qhia los ntawm 'L').
Zoo Weldability & Formability:Tso cai rau cov ntaub ntawv nyuaj thaum ua raws li cov txheej txheem.
Composition (Tsawg Max Values)
Cov pa roj carbon (C): ~0.20%
Manganese (Mn): ~1.70%
Silicon (Si): ~0.80%
Chromium (Cr): ~1.50%
Molybdenum (Molybdenum): ~0.70%
Nickel (Ni): ~2.0%
Grain Refiners:Muaj V, Nb, Ti, Zr (min 0.015%) rau cov qauv zoo.
Daim ntawv thov
Mobile cranes thiab lifting khoom
Cov choj thiab hnyav - kev tsim kho
Earthmoving thiab mining machinery (cov tsheb thauj khoom pov tseg, drilling rigs)
Cua turbine yees
Dab tsi yog cov ntawv thov ntawm S690QL?
S690QL yog tsim tshwj xeeb rau kev thov rau cov ntawv thov uas muaj zog heev yuav tsum tau ua ke nrog kev ruaj ntseg toughness nyob rau hauv qhov chaw txias heev. Nws cov ntawv thov raug siv nyob rau hauv cov haujlwm uas tsis ua haujlwm tsis yog qhov kev xaiv thiab kev ua haujlwm kub tuaj yeem poob mus rau -40℃(-40℃F) lossis qis dua.
Nov yog cov haujlwm tseem ceeb thiab kev siv tshwj xeeb:
1. Arctic & Cold- Kev nyab xeeb kev tsim kho & kev tsim vaj tsev
Offshore Roj & Gas Platforms: Rau cov txheej txheem tseem ceeb hauv hiav txwv khov (North Hiav Txwv, Arctic cheeb tsam).
Txuas hniav & High-Rise Buildings: Nyob rau hauv lub ncov qaumteb qabteb los yog siab - cheeb tsam qhov siab uas qis - kub steel yog tswj los ntawm cov cai.
Cov Qauv Txhawb Tshwj Xeeb: Rau kev teeb tsa hauv Antarctica lossis tej thaj chaw deb huab cua txias.
2. Heavy Mobile Machinery rau Mining, Quarrying & Forestry
Excavator Arms, Dumper Truck Frames, & Drilling Rigs: Cov cuab yeej ua haujlwm nyob rau sab qaum teb Canada, Scandinavia, lossis Siberia, qhov chaw cuam tshuam tshwm sim hauv sub- xoom kub.
Harvesters & Forwarders: Hauv hav zoov boreal uas cov tshuab ntsib ob qho kev ntxhov siab thiab txias heev.
3. Lifting & Khoom siv nyob rau hauv txias cia los yog sab nraum zoov lub caij ntuj no
Mobile Crane Booms & Cheebtsam: Tshwj xeeb tshaj yog rau cov cranes loj heev siv rau lub caij ntuj no kev tsim kho lossis chaw nres nkoj hauv cov chaw txias.
Cov Khoom Siv Thawv Thauj Khoom: Ntawm cov chaw nres nkoj hauv huab cua txias.
Advanced Forklift Masts: Rau hnyav- lub luag haujlwm nqa hauv qhov chaw khov sab nraum zoov lossis txias- cov chaw cia khoom.
4. Lub zog tauj dua tshiab
Cua Turbine Ntauwd & Cov Cheebtsam: Rau kev teeb tsa hauv cov ntug dej hiav txwv txias lossis cov chaw sab qaum teb sab qaum teb, qhov twg cov hlau yuav tsum tiv taus kev kub ntxhov siab thiab qhov kub thiab txias ib txhij.
5. Thauj & Tsheb Tshwj Xeeb
Chassis rau Hluav Taws Trucks & Tshav Dav Hlau Crash Trucks ua haujlwm hauv thaj av Arctic.
Cheebtsam rau Tub Rog Tsheb & Cov Khoom Siv tsim los rau kev ua tsov rog Arctic.
Vim li cas S690QL raug xaiv rau cov ntawv thov no:
Qhov hnyav txo:Nws lub zog siab heev (690 MPa yield) tso cai rau nyias, sib zog seem yam tsis muaj kev cuam tshuam lub peev xwm, txhim kho roj efficiency thiab payload.
Guaranteed Safety:Cov ntawv pov thawj "L" (Tsawg-kub) kom ntseeg tau tias nws yuav tsis tawg thiab tawg thaum muaj kev cuam tshuam hauv qhov txias, qhov tseem ceeb ntawm kev nyab xeeb.
Durability:Nws tiv taus dynamic thiab cyclic loading (kev qaug zog) nyob rau hauv ib puag ncig hnyav.
Hauv qhov tseem ceeb, S690QL yog cov khoom xaiv rau qhov tseem ceeb tshaj plaws, thauj khoom -cov kabmob ntawm cov tshuab thiab cov qauv uas yuav tsum tau ua haujlwm ruaj khov, nyab xeeb, thiab ua haujlwm tau zoo hauv qee qhov chaw hauv ntiaj teb txias tshaj plaws.
1. S690QL steel yog dab tsi?
S690QL yog qhov siab -lub zog, quenched thiab tempered structural steel qib nrog qhov tsawg kawg nkaus lub zog ntawm 690 MPa, tshwj xeeb tshaj yog optimized rau qis - kub toughness mus rau -40 ° C.
2. Dab tsi yog "L" sawv cev rau hauv S690QL?
Qhov "L" sawv cev rau "Tsawg kub," qhia tias cov hlau tau ntawv pov thawj rau kev txhim kho qhov hnyav ntawm qhov kub li qis li -40 ° C.
3. Dab tsi yog cov ntawv thov ntawm S690QL?
Nws yog feem ntau siv nyob rau hauv huab cua ib puag ncig xws li Arctic kev tsim kho, offshore platforms, siab -latitude mining khoom, thiab mobile cranes ua hauj lwm nyob rau hauv freezing tej yam kev mob.
4. S690QL txawv ntawm S690Q li cas?
Qhov sib txawv tseem ceeb yog S690QL lav qhov cuam tshuam ntau dua ntawm -40 ° C, thaum tus qauv S690Q feem ntau kuaj ntawm 0 ° C, ua rau S690QL zoo dua rau cov huab cua khov.
5. Cov tshuaj muaj pes tsawg leeg ntawm S690QL yog dab tsi?
Nws yog ib qho qis- alloy steel uas muaj carbon, manganese, silicon, thiab micro- alloys xws li niobium, vanadium, thiab titanium, nrog kev tswj nruj ntawm phosphorus thiab sulfur kom ntseeg tau tias weldability thiab toughness.
6. Cov txheej txheem vuam dab tsi yuav tsum tau ua rau S690QL?
Vuam yuav tsum tau qis -hydrogen electrodes, nruj preheating (feem ntau 100-}}} 150 ° C), tswj cov cua sov input, thiab feem ntau tom qab vuam kev nyuaj siab nyem kom muaj zog thiab tiv thaiv kev tawg.
7. Puas yog S690QL corrosion resistant?
Tsis yog, S690QL tsis yog qhov muaj zog corrosion-resistant. Zoo li lwm yam siab - lub zog steels, nws yuav tsum muaj cov txheej txheem tiv thaiv (xws li, pleev xim lossis galvanizing) siv rau hauv ib puag ncig corrosive.
8. Cov qauv dab tsi npog S690QL cov khoom?
Nws yog feem ntau txhais los ntawm European tus qauv EN 10025-6, nrog rau qhov sib npaug ntawm lwm cov tshuab (xws li ASTM, ISO).
9. S690QL puas tuaj yeem ua tau yooj yim?
Machining S690QL yog qhov nyuaj vim nws lub zog siab thiab hardness; nws yuav tsum tau siv cov cuab yeej muaj zog, ua kom txias txaus, thiab ua kom zoo rau kev txiav kom tsis txhob hnav cov cuab yeej ntau dhau.
Tag nrho cov specification thiab cov ntsiab lus muaj nyob rau ntawm kev thov. Cov ntaub ntawv saum toj no yog muab rau kev taw qhia nkaus xwb. Rau kev tsim tshwj xeeb thov hu rau peb cov neeg ua haujlwm muag khoom.
