S890 qwyog tus qauv European (EN 10025-6) siab- lub zog cov qauv hlau paub txog nws lub zog tshwj xeeb (tsawg kawg 890 MPa yield zog), toughness, thiab zoo weldability, tiav los ntawm quenching thiab tempering. Lub 'S' qhia txog cov qauv hlau, '890' nws lub zog yield, 'Q' nws quenched & tempered mob, thiab 'L' qhia tias qhov kub tsis tshua muaj siab toughness (feem ntau -40 degree). Nws yog siv rau hauv cov tshuab hnyav, cranes, txuas hniav, thiab cov khoom siv hauv cov khoom uas txo qhov hnyav thiab kev ua haujlwm siab yog qhov tseem ceeb.
Tshuaj muaj pes tsawg leeg ntawm S890QL
| % | |
|---|---|
| C | 0.20 |
| Si | 0.80 |
| Mn | 1.70 |
| P | 0.020 |
| S | 0.010 |
| N | 0.015 |
| B | 0.0050 |
| Cr | 1.50 |
| Cu | 0.50 |
| Mo | 0.70 |
| Nb | 0.06 |
| Ni | 2.0 |
| Ti | 0.05 |
| V | 0.12 |
| Zr | 0.15 |
Mechanical Properties ntawm S890QL
| 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) | |||||||
| >3 <50 | >50 <100 | >100 <150 | >3 <50 | >50 <100 | >100 <150 | |||
| S890 qw | 1.8983 | 890 | 830 | -- | 940/1100 | 880/1100 | -- | 11 |
V Notch Impact Test
| Qib | Qauv Orientation | @0 Deg C | @-20 ° C | -40 ° C | @ -60 ° C |
|---|---|---|---|---|---|
| S890 qw | Ntev | 50J | 40J | 30J | |
| Hloov | 35J | 30J | 27J |
Core Properties & Technical Parameters
Hom khoom: Siab-Lub zog qis-Alloy (HSLA) cov qauv hlau. Nws qhov kev ua tau zoo yog ua kom zoo dua los ntawm kev ntxiv cov microalloying ntsiab lus (xws li niobium, vanadium, thiab titanium), sib npaug siab zog thiab zoo heev toughness. Sib txawv ntawm cov pa roj carbon zoo tib yam, nws muaj qhov zoo ntawm cov xwm txheej uas yuav tsum tau ua kom lub teeb yuag.
Standard & Mechanical Properties: Ua raws li EN 10025-6 tus qauv, nws muaj qhov tsawg kawg nkaus yield zog ntawm 890 MPa (rau cov phaj nyias) thiab lub zog tensile ntau ntawm 940-1100 MPa. Nws tuaj yeem tiv taus cov khoom hnyav thiab cov neeg kho tshuab kev ntxhov siab, ua rau nws haum rau kev ua haujlwm hnyav.
Kev kho cua sov & Toughness: Ua los ntawm Quenching thiab Tempering (Q&T) thev naus laus zis, nws txhim kho cov qauv nplej thiab txhim kho cov khoom ruaj khov. Nws muaj qhov zoo heev uas tsis tshua muaj - qhov kub thiab txias cuam tshuam, tswj kev cuam tshuam zoo txawm tias nyob rau ntawm -40 degree, yog li hloov mus rau kev ua haujlwm hauv cheeb tsam alpine.
Weldability: Los ntawm kev tswj xyuas qhov sib npaug ntawm cov pa roj carbon monoxide thiab alloy muaj pes tsawg leeg, nws zam qhov teeb meem vuam tawg uas tshwm sim hauv siab - lub zog steel. Tsis muaj kev kho cua sov ua ntej yuav tsum tau ua thaum vuam, txo qhov nyuaj ntawm kev tsim kho thiab vuam cov nqi, thiab nws tsim nyog rau ntawm - qhov chaw vuam ua haujlwm.
Main Application Scenarios
Cov cuab yeej nqa nqa: Siv dav hauv kev thauj khoom-cov kabmob ntawm cov cranes mobile, loader cranes, aerial work platforms thiab lwm yam khoom siv. Nws ua kom lub lifting stability ntawm cov cuab yeej nrog nws cov load siab -cov kabmob muaj peev xwm thiab txo qhov cuam tshuam ntawm cov khoom hnyav ntawm lub voj voog khiav haujlwm.
Hnyav Machinery: Haum rau siab - zaus hnyav- cov khoom siv ua haujlwm xws li lub ntiaj teb - txav tshuab thiab cov tshuab mining. Nws tuaj yeem siv los tsim cov khoom tseem ceeb xws li thoob, thav duab thiab taug qab nkawm khau, tiv thaiv hnav thiab cuam tshuam kev thauj khoom hauv mining thiab infrastructure scenarios, thiab txuas ntxiv lub neej kev pab cuam ntawm cov khoom siv.
Kev thauj mus los: Siv rau hnyav- lub luag haujlwm trailer, cov tsheb thauj khoom thiab thauj khoom- cov kabmob. Thaum ua kom muaj kev nyab xeeb ntawm kev thauj mus los, nws txo lub tsheb hnyav, txhim kho roj kev lag luam thiab kev ua haujlwm ntawm kev thauj khoom, ua tau raws li cov kev xav tau ntawm kev thauj mus los ntev -qhov hnyav- lub luag haujlwm thauj.
Kev tsim kho engineering: Haum rau kev thauj khoom choj-cov kabmob, siab- lub zog steel qauv kev cob qhia, cov thawv tshwj xeeb, thiab lwm yam. Nws tuaj yeem txo tus ntoo khaub lig- ntu loj ntawm cov khoom, txuag chaw thiab cov ntaub ntawv, thiab hloov kho raws li cov qauv tsim ntawm loj - ncua thiab siab - thauj khoom vaj tse.
Core Zoo
Siab zog - rau - Qhov hnyav piv: Nyob rau hauv tib lub load-cov kabmob yuav tsum tau, piv nrog cov hlau zoo tib yam, nws tuaj yeem txo qhov tuab ntawm cov khoom kom ua tiav cov qauv tsim. Qhov no tsis tsuas yog txo cov khoom siv raw tab sis kuj txo qis cov nqi tsim khoom tom qab xws li txiav thiab vuam, txhim kho kev tsim khoom.
Tus nqi -Kev ua tau zoo: Nws ua kom muaj zog ntxiv los ntawm cov txheej txheem kev ua kom zoo thiab kev tswj xyuas muaj pes tsawg leeg yam tsis muaj kev vam khom ntau ntawm cov khoom muaj txiaj ntsig zoo. Piv nrog rau cov hlau tshwj xeeb ntawm tib lub zog, nws muaj qis dua kev yuav khoom thiab cov nqi ua haujlwm, uas qhia cov nqi pom tseeb -kev ua tau zoo.
Wide Versatility: Nws muaj cov machinability zoo, bendability thiab weldability, thiab tuaj yeem ua tiav rau hauv cov txheej txheem nyuaj raws li qhov xav tau ntawm cov xwm txheej sib txawv. Tsis muaj cov cuab yeej tshwj xeeb lossis cov txheej txheem yuav tsum tau ua, ua rau nws haum rau ntau - daim ntawv thov xws li nqa, tshuab thiab kev tsim kho.
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.
Qhov txawv ntawm S890QL thiab S690QL yog dab tsi?
S890QL muaj lub zog tawm los ntau dua (890 MPa vs 690 MPa) dua li S690QL, haum rau kev xav tau ntau dua- cov xwm txheej kabmob nrog cov kev cai nruj dua.
Puas yog S890QL sib nqus?
Yog lawm, raws li cov hlau ferritic, S890QL yog hlau nplaum, uas yuav tsum tau txiav txim siab hauv cov ntawv thov rhiab rau cov hlau nplaum, xws li cov khoom siv hluav taws xob.
Cov kev kho saum npoo dab tsi tuaj yeem siv rau S890QL?
Cov kev kho mob feem ntau suav nrog kev pleev xim, hmoov txheej, galvanizing, thiab phosphating, uas txhim kho corrosion kuj thiab ntev kev pab cuam lub neej.
S890QL puas tuaj yeem siv rau hauv qhov chaw siab -qhov kub thiab txias?
Nws yog haum rau nruab nrab kub (txog 200 degree). Tshaj li qhov no, nws cov khoom siv kho tshuab tuaj yeem txo qis, yuav tsum tau cua sov- cov hlau tsis muaj zog.
Qhov kev xa khoom ntawm S890QL yog dab tsi?
Nws raug xa mus rau hauv quenched thiab tempered (Q&T) mob, ua kom cov khoom ruaj khov thiab ua haujlwm zoo ib yam thoob plaws tag nrho cov khoom.
Yuav ua li cas kuaj cov khoom siv kho tshuab ntawm S890QL?
Kev ntsuam xyuas suav nrog kev ntsuas tensile, kev sim cuam tshuam, ntsuas qhov nyuaj, thiab kev sim khoov, ua raws li EN 10025-6 txhawm rau txheeb xyuas kev ua raws li cov qauv.
S890QL puas tuaj yeem siv hauv kev tsim khoom crane?
Yog lawm, nws yog ib qho khoom siv zoo tshaj plaws rau crane booms, jibs, thiab thav duab, vim nws lub zog siab txo qhov hnyav thaum ua kom muaj peev xwm thauj khoom -cov kabmob.
Dab tsi yog qhov elongation ntawm kev tawg ntawm S890QL?
Qhov tsawg kawg nkaus elongation ntawm kev tawg yog 12% (rau thickness Tsawg dua los yog sib npaug rau 16 hli), kom ntseeg tau tias muaj qee qhov kev ductility kom tsis txhob muaj kev puas tsuaj los ntawm kev cuam tshuam.
Puas yog S890QL muaj kev qaug zog zoo?
Yog lawm, nws cov qauv quenched thiab tempered muab kev qaug zog zoo, haum rau cov khoom uas raug rov ua dua, zoo li cov tshuab ua haujlwm.
Tus nqi sib piv ntawm S890QL yog dab tsi?
Nws tus nqi hloov pauv nrog cov nqi ntawm cov khoom siv raw (hlau ore, alloy ntsiab) thiab kev lag luam xav tau, feem ntau yog siab dua li cov qauv steel vim nws qhov kev ua tau zoo.
S890QL puas tuaj yeem hloov los ntawm lwm cov hlau?
Rau cov kev xav tau qis dua, S690QL lossis S700MC tuaj yeem hloov pauv. Tab sis rau siab -qhov xav tau muaj zog, S890QL yog irreplaceable nyob rau hauv ntau daim ntawv thov engineering hnyav.