Hauv lub ntiaj teb ntawm kev tsim kho vaj tse, kev txav mus dhau cov hlau carbon txheem tsis yog qhov khoom kim heev lawm - nws yog qhov tsim nyog rau kev ua tau zoo thiab kev ruaj khov. Cov Hlau Muaj Zog Siab, lossis HSS, tso cai rau cov qauv tsim nyias dua, txo cov ntim vuam, thiab txo cov nqi thauj mus los.
Txawm li cas los xij, cov kev cai rau npe ntawm cov qauv European feem ntau ua rau muaj kev tsis meej pem hauv pem teb. Kev xaiv ntawm S460MLH thiab S460NH tsis yog tsuas yog hais txog daim ntawv lo xwb; nws qhia tias koj qhov project yuav raug welded li cas, tsim li cas, thiab nws yuav ua li cas hauv qhov kub qis dua xoom.
—–Txiav Txim Siab Qib Hierarchy——————————
Tus nqi lej hauv txhua qib EN, xws li355lossis 960, sawv cev rau lub zog tsawg kawg nkaus uas ntsuas hauv megapascals. Thaum S355 tseem yog lub ntiaj teb ua haujlwm rau kev tsim kho dav dav, kev lag luam tab tom hloov pauv sai sai mus rauS460thiab S690 kom ua tau raws li lub hom phiaj txuag qhov hnyav.
Qhov Cuam Tshuam ntawm Kev Ua Haujlwm: M, N, thiab Q
Tsab ntawv tom qab lub zog qhia txog qhov xwm txheej xa khoom, uas yog qhov tseem ceeb tshaj plaws rau kev tsim khoom.
- M-Series (Thermomechanically Dov):Cov hlau no raug ua tiav ntawm qhov kub tshwj xeeb kom ua tiav lub zog siab nrog cov pa roj carbon tsawg heev. Qhov no ua rau M-series hlau yooj yim heev rau vuam, feem ntau tshem tawm qhov xav tau preheating txawm tias nyob rau hauv cov seem tuab dua.
- N-Series (Qauv Ib Txwm):Ib txoj kev ib txwm siv los kho cov hlau kom sov kom ua tiav cov qauv zoo sib xws. Nws ruaj khov heev thiab nyiam dua yog tias cov hlau yuav raug kho kom sov ntxiv lossis ua kom kub thaum lub sijhawm tsim khoom.
- Q-Series (Quenched thiab Tempered):Qhov no yog tus qauv kub rau lub zog siab heev. Los ntawm kev txias sai thiab tom qab ntawd rov ua kom cov hlau sov, peb ua tiav lub zog ntawm 690 MPa txog 960 MPa. Txawm li cas los xij, cov qib no yuav tsum tau tswj hwm qhov kub nruj thaum lub sijhawm vuam kom tsis txhob ua rau cov khoom mos.
—–Qhov Tseem Ceeb ntawm Kev Ruaj Khov Kub Qis———————————
Lub zog tsuas yog ib nrab ntawm zaj dab neeg xwb. Thaum cov hlau tawv zuj zus, nws yuav yooj yim tawg yooj yim. Yuav kom daws qhov teeb meem no, cov kws ua vaj tse yuav tsum nrhiav cov cim L lossis L1.
Cov qib txheem feem ntau lav lub zog cuam tshuam ntawm -20 ° C. Yog tias koj qhov project ntsib qhov chaw nyuaj dua - xws li cov platforms offshore, cov khoom siv siab, lossis cov khoom siv arctic - koj yuav tsum qhia MLH lossis NLH rau kev ua tau zoo ntawm -40 ° C, lossis cov qib siab tshaj plaws rau kev ntseeg tau mus txog -60 ° C.
Kev Siv Tswv Yim ntawm Cov Hlau Muaj Zog Siab
| Qib Zog | Cov Qib Pib | Cov Ntaub Ntawv Siv Zoo Tshaj Plaws |
| HSS txheem | S355NH, S355MLH | Cov tsev rau khoom, cov thav duab yooj yim, thiab cov qauv tsis hloov pauv. |
| Kev Ua Tau Zoo HSS | S460NH, S460MLH | Cov choj girders, cov kem siab, thiab cov tsho tiv no ntawm ntug dej hiav txwv. |
| HSS Siab Kawg | S690QL1H, S960QL | Crane booms, telescopic caj npab, thiab cov khoom siv mining. |
| HSS uas ua tau | S700MC | Lub chassis tsheb thauj khoom thiab cov khoom sib xyaw ua ke txias. |
—–Cov Lus Nug Feem Ntau———————————
Q1: Kuv puas hloov tau S355 ncaj qha nrog S960 kom txuag tau qhov hnyav?
A1: Tsis yog li ntawd. Txawm hais tias S960 yuav luag muaj zog peb npaug, cov qauv elastic ntawm cov hlau tseem ruaj khov. Yog tias koj tus qauv tsim raug txwv los ntawm "deflection" lossis "stiffness" es tsis yog "lub zog," qhov seem S960 nyias dua yuav co lossis flex ntau dhau. Koj yuav tsum tsim dua qhov geometry kom tau txais txiaj ntsig zoo tshaj plaws ntawm lub zog siab dua.
Q2: Vim li cas S700MC thiaj txawv ntawm S690QH?
A2; Txawm hais tias lawv lub zog zoo sib xws, S700MC yog tsim tshwj xeeb rau kev tsim txias thiab khoov. Nws yog lub phaj thermomechanically dov (MC) uas tuaj yeem tswj tau qhov khoov radii nruj yam tsis muaj kev tawg, thaum Q-series steels (QH) yog qhov zoo tshaj plaws rau cov seem hollow thiab cov phaj hnyav qhov twg brute load peev xwm yog qhov tseem ceeb.
Q3: Puas yog vuam cuam tshuam rau lub zog ntawm S960?
A4: Yog. Cov hlau muaj zog heev vam khom kev kho cua sov kom raug. Yog tias qhov vuam "cua sov nkag" siab dhau, nws tsim ib cheeb tsam Softening hauv thaj chaw ze ntawm qhov vuam. Qhov no txo qhov muaj zog hauv zos ntawm qhov sib koom ua ke. Cov neeg vuam yuav tsum ua raws li cov txheej txheem nruj txog qhov kub thiab txias ntawm qhov sib txuas thiab cov nqi txias.
Q4: Puas yog S460MLH yooj yim dua rau vuam dua li S460NH?
A4: Feem ntau, yog. Vim tias MLH qib siv thermomechanical dov, lawv ua tiav lawv lub zog nrog tsawg dua cov khoom sib xyaw xws li carbon thiab manganese. Qhov sib npaug carbon qis dua no ua rau cov hlau tsis tshua muaj hydrogen tawg, feem ntau tshem tawm qhov yuav tsum tau ua kom sov cov hlau ua ntej vuam.
Q5: Tus "H" thaum kawg ntawm cov qib no sawv cev rau dab tsi?
A5: Tus H sawv cev rau Hollow Section. Txawm hais tias cov yeeb nkab yog lub voj voog, square, lossis rectangular tube, H suffix lees paub tias cov khoom siv ua tau raws li cov kev cai tshwj xeeb ntawm EN 10210 lossis EN 10219 cov qauv rau cov qauv hollow.
Lub sijhawm tshaj tawm: Plaub Hlis-17-2026
