1.Introduction to Seamless Pipe Manufacturing
Cov kav hlau yog ntev, hollow raj uas yog siv los xa cov khoom ntawm ib qhov chaw mus rau lwm qhov. Lawv tau tsim los ntawm ob txoj kev tsim khoom sib txawv uas ua rau cov yeeb nkab welded lossis seamless yeeb nkab. Hauv ob qho tib si kev tsim khoom, cov hlau nyoos yog thawj zaug cam khwb cia rau hauv daim ntawv pib ua haujlwm ntau dua (kub billet lossis tiaj tus strip). Nws yog tom qab ntawd ua rau hauv cov yeeb nkab los ntawm ncab cov hlau kub kub tawm mus rau hauv cov yeeb nkab seamless los yog yuam cov npoo ntawm cov hlau tiaj tiaj ua ke thiab sib khi nrog cov vuam. Hauv tsab xov xwm no peb yuav tham txog ntau yam kev koom tes hauv kev tsim cov yeeb nkab seamless.
2. Kev xeem tshuaj muaj pes tsawg leeg
2.1 Cov raj hauv tsev seamless muab raws li tshuaj muaj pes tsawg leeg thiab cov khoom siv kho tshuab, xws li cov khoom siv: 10, 15, 20, 25, 30, 35, 40, 45 Astm a106 Astm a53
Cov tshuaj muaj pes tsawg leeg ntawm no. 50 steel yuav tsum ua raws li cov kev cai ntawm GB/T699-88.Cov kav dej seamless imported yuav tsum raug tshuaj xyuas raws li cov qauv uas tau teev tseg hauv daim ntawv cog lus.
09MnV, 16Mn thiab 15MnV steel cov tshuaj muaj pes tsawg leeg yuav tsum ua raws li cov kev cai ntawm GB1591-79.
2.2 Xa mus rau nqe lus tseem ceeb ntawm GB223-84 Tshuaj Ntsuam Xyuas Cov Txheej Txheem rau Hlau thiab Alloy rau cov txheej txheem kev tshuaj xyuas tshwj xeeb.
2.3 Analysis Deviation Xa mus rau GB222-84 "Tshem tawm ntawm cov tshuaj sib xyaw ua ke ntawm cov qauv thiab cov khoom tiav rau kev tshuaj ntsuam xyuas cov hlau".
3. Kev tshuaj xyuas lub cev
3.1 Cov yeeb nkab seamless hauv tsev tau muab raws li kev ua haujlwm ntawm kev ua haujlwm, cov pa roj carbon zoo tib yam raws li GB / T700-88 chav kawm A steel tsim (tab sis yuav tsum
Xyuas kom meej tias cov ntsiab lus sulfur tsis tshaj {{0}}.050 feem pua thiab cov ntsiab lus phosphorus tsis tshaj 0.045 feem pua), nws cov khoom siv kho tshuab yuav tsum ua raws li GB8162-87 rooj
Ib tus naj npawb.
3.2 Cov kav dej hauv tsev seamless muab raws li kev ntsuas hydrostatic yuav tsum xyuas kom meej qhov ntsuas hydrostatic teev hauv tus qauv.
3.3 Kev tshuaj xyuas lub cev ntawm cov yeeb nkab uas tsis muaj seamless yuav tsum tau ua raws li cov qauv tsim nyog tau teev tseg hauv daim ntawv cog lus.
2.1. Seamless yeeb nkab yog dav siv.Lub hom phiaj dav seamless yeeb nkab yog ua los ntawm cov pa roj carbon zoo tib yam steel thiab cov qauv qis alloy.
Hlau los yog alloy structural steel dov, qhov loj tshaj plaws ntau lawm, tsuas yog siv rau kev xa cov kav dej los yog cov khoom siv.
2.2 Peb hom khoom siv raws li kev siv sib txawv: A. Muab khoom raws li tshuaj lom neeg muaj pes tsawg leeg thiab cov khoom siv tshuab; B. Muab khoom raws li kev ua haujlwm zoo; C,
Muab los ntawm kev sim hydrostatic. Cov kav hlau uas muab nyob rau hauv cov chav kawm A thiab B yuav tsum raug kuaj hydrostatic yog tias lawv yuav tsum tau siv rau kev coj tus kheej ua kua.
2.3 Seamless kav dej rau lub hom phiaj tshwj xeeb suav nrog boiler seamless kav, geological seamless kav thiab roj av seamless kav.
4. Hom
4.1 Raws li cov txheej txheem ntau lawm, seamless steel raj tuaj yeem muab faib ua cov yeeb nkab kub dov, cov yeeb nkab txias, cov yeeb nkab txias, cov yeeb nkab extrusion, thiab lwm yam.
4.2 Muaj cov raj ncig thiab cov raj tshwj xeeb raws li lawv cov tsos. Ntxiv rau cov raj square thiab cov duab plaub, cov raj tshwj xeeb zoo li kuj muaj cov raj elliptical,Semicircular, triangular, hexagonal, convex, quinted-puab, thiab lwm yam.
4.3 Raws li cov ntaub ntawv sib txawv, nws tuaj yeem muab faib ua cov qauv carbon zoo tib yam, cov qauv tsis tshua muaj hlau, cov qauv zoo carbon steel raj thiab cov hlau sib txuas.Kev tsim cov yeeb nkab, cov yeeb nkab stainless, thiab lwm yam.
4.4 Raws li lub hom phiaj tshwj xeeb, muaj boiler raj, geological raj, roj av yeeb nkab, thiab lwm yam.
5. Specifications thiab tsos zoo
Seamless yeeb nkab raws li GB/T8162-87 kev
5.1. Specification: Kub dov yeeb nkab txoj kab uas hla 32 ~ 630mm.Lub phab ntsa thickness yog 2.5 ~ 75mm.Cold rolling (txias kos duab) yeeb nkab txoj kab uas hla 5 ~ 200mm.
Phab ntsa thickness yog 2.5 ~ 12mm.
5.2 Cov tsos mob zoo: sab hauv thiab sab nrauv ntawm cov raj steel yuav tsum tsis txhob muaj kab nrib pleb, folds, yob, delaminations, hairlines los yog caws pliav tsis xws luag
Thoob plaws hauv lub xyoo.Cov teeb meem no yuav tsum tau muab tshem tawm tag nrho thiab cov phab ntsa thickness thiab sab nraud txoj kab uas hla yuav tsum tsis txhob tshaj qhov tsis zoo sib txawv tom qab tshem tawm.
5.3 Ob leeg kawg ntawm cov yeeb nkab steel yuav tsum tau txiav rau hauv txoj cai kaum thiab burrs yuav tsum tau muab tshem tawm. Gas txiav thiab tshav kub pom txiav yog tso cai rau steel tubes nrog phab ntsa thickness ntau tshaj 20 hli.
Cut.Nws yuav tsis raug txiav los ntawm kev pom zoo ntawm tus neeg yuav khoom thiab tus muag khoom.
4.4 Qhov zoo ntawm qhov dej txias los yog txias-dov precision seamless steel raj yuav tsum xa mus rau GB3639-83.
6. Ntim
Raws li tau teev tseg hauv GB2102-88.Nws muaj peb hom kev ntim cov yeeb nkab steel: strapping, packing, oil strapping or oil packing. Steel tube yogIb txoj hlua ntev ntawm cov hlau nrog ib qho hollow seem thiab tsis muaj pob qij txha nyob ib ncig ntawm nws.Steel raj nrog hollow seem yog dav siv rau conveying kua.Ib lub raj xa dej, xws li ib qho uas nqa roj, nkev, roj, dej, thiab qee yam khoom siv. Piv nrog cov hlau puag ncig thiab lwm yam khoom hlau,Nws yog ib hom kev lag luam hla ntu hlau nrog tib lub zog flexural thiab torsional thiab lub teeb yuag. Nws yog dav siv nyob rau hauv kev tsim cov khoom siv thiab cov khoom siv kho tshuab.
Xws li roj laum yeeb nkab, tsheb tsav ncej, tsheb kauj vab ncej thiab steel scaffolding siv nyob rau hauv kev tsim kho.Ring qhov chaw ua los ntawm steel hlab,Muaj peev xwm txhim kho cov khoom siv, ua kom yooj yim rau kev tsim khoom, txuag cov khoom siv thiab sijhawm ua haujlwm, xws li dov bearing nplhaib, lub tes tsho jack, thiab lwm yam.
Tam sim no, cov yeeb nkab steel tau siv dav hauv kev tsim khoom.Steel yeeb nkab lossis ntau yam khoom siv riam phom uas tsis tseem ceeb, phom phom phom, chim, thiab lwm yam.
Ua.Steel raj tuaj yeem muab faib ua cov raj puag ncig thiab cov raj tshwj xeeb raws li cov duab ntawm qhov chaw hla ntu.Vim lub perimeter yog tib yam, qhov chaw ntawm lub voj voog.
Qhov ntim siab tshaj plaws, cov kua dej ntau tuaj yeem thauj mus rau hauv ib lub raj raj. Ntxiv rau, lub nplhaib seem raug rau sab hauv lossis sab nraud radial siab.
Lub zog tsis sib xws, yog li feem ntau cov raj steel yog cov raj puag ncig.
Txawm li cas los xij, cov yeeb nkab kuj muaj qee qhov kev txwv. Piv txwv li, nyob rau hauv cov xwm txheej ntawm raug lub dav hlau dabtsi yog khoov, cov yeeb nkab yog tsis tshua muaj resistant rau dabtsi yog khoov dua cov square yeeb nkab thiab cov duab plaub.
Lub zog yog loj, thav duab ntawm ob peb ua liaj ua teb machinery thiab siv, steel ntoo rooj tog yog feem ntau siv square, rectangular tube.Lwm tus ntoo khaub lig seem yuav tsum tau raws li qhov sib txawv USES
Zoo li zoo li tus steel yeeb nkab.Yuav tsum tau txuam nrog ntau yam: kua hloov yeeb nkab, boiler cog, engineering, machinery processing nroj tsuag.
Cim npe nrov: seamless steel raj 20 # steel, ua nyob rau hauv Suav teb, manufacturers, lwm tus neeg
