S690 qwyog tus qauv European (EN 10025) ultra- siab- lub zog cov qauv hlau, paub txog nws lub zog tshwj xeeb (tsawg kawg yield zog ntawm 690 MPa), toughness, thiab weldability, tiav los ntawm quenching thiab tempering (Q + T) kev kho cua sov, ua rau nws zoo tagnrho rau sib dua, muaj zog cranes, cov qauv tsim tawm hauv ntug dej. Tus "S" qhia txog cov qauv hlau, "690" yog lub zog tawm los ntawm MPa, thiab "QL" qhia tau hais tias qhov zoo tshaj plaws nrog qhov zoo heev qis - kub toughness.
Mechanical Properties
| Lub npe | Mechanical Properties (ambient kub) | |||||||
| Lub npe hlau | Hlau Number | Min. Yield zog Reh MPa | Tensile zog Rm MPa | Min. % elongation tom qab tawg | ||||
| Nominal thickness (hli) | Nominal thickness (hli) | |||||||
| Ntau dua lossis sib npaug li 3 Tsawg dua lossis sib npaug rau 50 | Ntau dua lossis sib npaug li 50 Tsawg dua lossis sib npaug rau 100 | Ntau dua lossis sib npaug li 100 Tsawg dua lossis sib npaug rau 150 | Ntau dua lossis sib npaug li 3 Tsawg dua lossis sib npaug rau 50 | Ntau dua lossis sib npaug li 50 Tsawg dua lossis sib npaug rau 100 | Ntau dua lossis sib npaug li 100 Tsawg dua lossis sib npaug rau 150 | |||
| S690 qw | 1.8931 | 690 | 650 | 630 | 770/940 | 760/930 | 710/900 | 14 |
S690QL - V Notch Impact Testing
| Qib | Qauv Orientation | @ 0 degree | @-20 degree | @-40 degree | @-60 degree |
| S690 qw | Ntev | 50 J | 40 J | 30 J | ¨C¨C |
| Hla mus | 35 J | 30 J | 27 J | ¨C¨C |
Cov txheej txheem tseem ceeb
Txiav:Advanced technologies xws li CNC ntshav, laser, los yog oxy- roj txiav yog siv. Nws yog feem ntau pom zoo kom khaws cov khoom tsawg kawg ntawm chav tsev kub thaum lub sij hawm hluav taws kub txiav kom tsis txhob thermal shock.
Cold forming:Khoov yog qhov zoo tshaj plaws nyob rau hauv chav tsev kub. Qhov pom zoo yam tsawg kawg yog dabtsi yog khoov vojvoog yog typically 3 npaug ntawm phaj thickness (3t)transverse mus rau dov kev taw qhia thiab 4t longitudinal rau nws.
Kub txoj kev:Feem ntau tsis pom zoo vim tias cua sov siab tshaj 560℃-580℃tuaj yeem hloov pauv qhov pib tempering, txo cov hlau cov khoom siv kho tshuab. Yog hais tias qhov kub yog tsim nyog, cov khoom yuav tsum tau mus rau tag nrho quenching thiab tempering txheej txheem dua.
Vuam:S690QL muaj qhov zoo weldability tab sis yog rhiab rau cov cua sov tawm tswv yim. Cov txheej txheem muaj xws liMIG/MAG and TIG welding. Txhawm rau tiv thaiv kev tawg, siv cov ntaub ntawv muab tub lim nrog zoo sib xws lossis qis dua lub zog ntawm cov hlau hauv paus feem ntau pom zoo.
Machining:Rau kev drilling, cobalt- alloyed siab- steel ceev (HSSCO) nyiam nrog txiav ceev ntawm 17-19 m / min. Standard HSS xyaum yuav tsum ua hauj lwm ntawm qis dua speeds (3-5 m / min).
Core Application Sectors
Heavy Lifting & Machinery:Feem ntau siv rau crane booms, jibs, thiab nqa caj npab. Nws lub zog siab -rau- qhov hnyav piv tso cai rau 15-30% txo qhov hnyav ntawm cov qauv piv rau cov qauv S355 steel thaum tuav lub peev xwm nqa zoo tib yam.
Infrastructure & Kev Tsim Kho:Qhov tseem ceeb rau ntev - txuas txuas, siab - nce lub tsev kab, thiab lub hauv paus chaw ntau pob. Nws ua rau slimmer cov qauv profiles, uas ua rau kom muaj qhov chaw siv hauv pem teb hauv cov tsev lag luam thiab txo cov hauv paus loads rau txuas hniav.
Mining & Earthmoving:Zoo tagnrho rau cov tsheb thauj khoom, tsheb nrau av, cov thoob excavator, thiab crushers. Cov khoom yog nyiam rau nws tsis kam mus rau cyclic loading thiab abrasive ua hauj lwm tej yam kev mob.
Kev thauj mus los:Siv nyob rau hauv lub chassis thiab thav duab ntawm hnyav - lub luag hauj lwm trailers thiab tshwj xeeb - lub hom phiaj tsheb. Kev siv S690QL tuaj yeem ua kom lub tsheb thauj khoom muaj peev xwm nce 10-20% los ntawm kev txo qhov hnyav tuag.
Offshore & Marine:Siv nyob rau hauv offshore platforms, cua turbine yees, thiab naval shipbuilding. Nws daim ntawv pov thawj rau toughness ntawm -40℃ua kom muaj kev ncaj ncees nyob rau hauv hnyav, txias dej hiav txwv ib puag ncig.
Kev Tiv Thaiv:Siv nyob rau hauv cov tub rog tsheb thiab armored qauv qhov agility (los ntawm kev txo qhov hnyav) thiab cuam tshuam tsis kam yog qhov tseem ceeb.
qhov zoo
1. Txo qhov hnyav & ua haujlwm
Siab zog - rau - Qhov hnyav piv:Nrog rau qhov tsawg kawg nkaus tawm lub zog ntawm 690 MPa, nws yog ze li peb npaug zogtshaj tus qauv me me steel.
Leaner Designs:Nws tso cai rau kev txo qis 15-30%.nyob rau hauv cov qauv hnyav los ntawm kev siv cov phaj nyias nyias thaum tuav tib lub load-cov kabmob muaj peev xwm.
Nce Payload:Hauv kev thauj mus los, qhov kev txo qhov hnyav no ncaj qha nce lub peev xwm ntawm lub tsheb los ntawm 10-20%, txhim kho roj efficiency thiab lub zog optimization.
2. Txhim khu kev ruaj ntseg & kev nyab xeeb
Tsawg-Tsub Toughness:S690QL tshwj xeeb muaj ntawv pov thawj rau kev ua haujlwm siab ntawm -40 degree(Ntau dua lossis sib npaug rau 30J), ua rau nws muaj kev nyab xeeb dua rau qhov hnyav lossis arctic ib puag ncig uas cov qauv hlau yuav ua nkig.
Fatigue Resistance:Nws nthuav tawm ntau dua tiv thaiv kev qaug zog tawg pibtshaj li tus qauv S355 steel, uas yog ib qho tseem ceeb rau cov khoom raug rau cyclic loading, xws li crane booms thiab mining khoom.
Hnav Resistance:Cov txheej txheem quenching thiab tempering nce hardness (200-300 HB), muab kev tiv thaiv zoo dua rau kev puas tsuaj thiab cuam tshuam kev hnav.
3. Fabrication & Versatility
Zoo Weldability:Txawm hais tias nws muaj zog heev, nws tswj tau zoo weldability siv cov qauv txheej txheem (MIG/MAG, TIG) muab qis- hydrogen consumables thiab kev tswj kom sov yog siv.
Formability:Nws khaws cov ductility txaus (tsawg kawg 14% elongation) kom tso cai rau khoov thiab ua haujlwm tsis zoo yam tsis muaj pob txha.
4. Kev lag luam & kev cuam tshuam ib puag ncig
Tus nqi -Kev ua tau zoo:Txawm hais tias tus nqi pib ntawm cov khoom siv ib tuj siab dua, tag nrho cov nqi tsim khoom feem ntau yog 35% qis duavim hais tias kwv yees li ib nrab ntawm cov hlau yuav tsum tau muab piv rau S355.
Extended Service Life:Superior mechanical zog ua rau lub sijhawm ntev ntawm kev saib xyuas thiab lub neej ntev dua rau cov qauv.
Yog xav paub ntxiv txog GNEE cov khoom siv hlau, tiv tauj peb ntawm beam@gneesteelgroup.com. Peb tos ntsoov yuav ua haujlwm nrog koj.
S690QL yog dab tsi?
S690QL yog lub siab - lub zog quenched thiab tempered structural steel. Nws muaj qhov zoo tshaj plaws weldability, toughness thiab mechanical zog, dav siv nyob rau hauv hnyav -duty engineering lug.
Qhov tsawg kawg nkaus tawm lub zog ntawm S690QL yog dab tsi?
Qhov tsawg kawg nkaus tawm lub zog ntawm S690QL yog 690 MPa. Lub zog siab no ua rau nws tuaj yeem nqa cov khoom hnyav hauv - nplai tshuab thiab kev tsim kho.
S690QL ua raws li cov qauv dab tsi?
S690QL ua tau raws li EN 10025-6 tus qauv, uas qhia meej txog cov kev cai rau kev siv lub zog muaj zog steel hauv quenched thiab tempered tej yam kev mob.
S690QL puas tuaj yeem txuas tau yooj yim?
Yog lawm, S690QL muaj weldability zoo. Preheating kom raug thiab tom qab-weld kev kho cua sov yog pom zoo kom tsis txhob muaj cov kab nrib pleb thiab ua kom muaj kev sib koom tes sib koom ua ke.
Qhov txawv ntawm S690QL thiab S700MC yog dab tsi?
S690QL yog quenched thiab tempered, thaum S700MC yog kub- dov. S690QL muaj zog dua, haum rau cov qauv zoo li qub; S700MC rau cov khoom tsim.
Kuv tuaj yeem yuav S690QL daim hlau qhov twg?
S690QL daim hlau yog muaj los ntawm cov chaw muag khoom thoob ntiaj teb, xws li ArcelorMittal, Thyssenkrupp, thiab cov chaw muag khoom hauv zos, nrog rau qhov ntau thiab tsawg.
Lub zog tensile ntawm S690QL yog dab tsi?
Lub zog tensile ntawm S690QL yog li ntawm 770 txog 940 MPa. Qhov no ua kom nws muaj peev xwm tiv taus lub zog tensile siab hauv cov khoom tseem ceeb.
S690QL puas xav tau preheating ua ntej vuam?
Yog lawm, preheating rau 80-150℃yog pom zoo rau S690QL, tshwj xeeb tshaj yog rau cov phaj tuab, kom txo tau vuam kev nyuaj siab thiab tiv thaiv kev tawg.
Puas yog S690QL haum rau kev siv sab nrauv?
Yog lawm, nrog rau kev tiv thaiv corrosion zoo, S690QL yog tsim rau offshore platforms thiab marine qauv vim nws lub zog siab thiab toughness.
Cov txheej txheem machining zoo li cas rau S690QL?
Nws tuaj yeem ua tiav los ntawm kev tig, milling, drilling thiab sib tsoo. Siv cov cuab yeej siab - ceev steel lossis carbide nrog cov kev txiav tsim nyog.