Ntau yam specifications ntawm stainless hlau hauv Tshuag
Cov txheej txheem ntawm cov khoom txiav txim siab nws qhov kev ua haujlwm tsawg. Feem ntau, qhov precision ntawm seamless steel yeeb nkab yog tsawg: tsis sib luag phab ntsa thickness, tsis tshua muaj brightness nyob rau hauv thiab sab nrauv ntawm cov yeeb nkab, siab sizing tus nqi, thiab pockmarks thiab dub me ntsis ntawm sab hauv thiab sab nrauv yog tsis yooj yim rau tshem tawm; Nws nrhiav tau thiab shaping yuav tsum tau ua offline. Yog li ntawd, nws embodies nws zoo nyob rau hauv kev kub siab, siab zog thiab mechanical qauv ntaub ntawv.
Raws li cov qauv metallographic stainless hlau, nws tau muab faib ua semi ferritic thiab semi martensitic stainless hlau seamless yeeb nkab, martensitic stainless hlau seamless yeeb nkab, austenitic stainless hlau seamless yeeb nkab, austenitic ferritic stainless hlau seamless yeeb nkab, thiab lwm yam.
A.Raws li gb14975-2002 stainless hlau seamless steel yeeb nkab, qhov ntev ntawm cov yeeb nkab steel feem ntau yog 1.5 ~ 10m rau kub dov steel yeeb nkab (indefinite ntev), thiab 1m rau kub extruded steel yeeb nkab. 1.0 ~ 7m rau txias drawn (dov) steel yeeb nkab nrog phab ntsa thickness ntawm 0.5 ~ 1.0mm; Yog tias phab ntsa thickness ntau dua 1.0mm, 1.5 ~ 8m.
B.Muaj 45 hom kub dov (kub extruded) steel kav nrog diameters ntawm 54 ~ 480mm; Muaj 36 yam nrog phab ntsa thickness ntawm 4.5 ~ 45mm. Muaj 65 yam txias drawn (dov) steel kav nrog ib txoj kab uas hla ntawm 6 ~ 200mm; Muaj 39 hom nrog phab ntsa thickness ntawm 0.5 ~ 21mm.
C.Sab hauv thiab sab nrauv ntawm cov kav hlau steel yuav tsum tsis muaj kab nrib pleb, folds, crazing, tawg, dov folds, delaminations thiab scabs. Cov teeb meem no yuav tsum raug tshem tawm tag nrho (tshwj tsis yog cov kav dej rau kev ua haujlwm). Tom qab tshem tawm, cov phab ntsa thickness thiab sab nraud txoj kab uas hla yuav tsum tsis txhob tshaj qhov tsis zoo sib txawv. Lwm qhov me me ntawm qhov tsis xws luag uas tsis pub dhau qhov kev tso cai tsis zoo yuav tsis raug tshem tawm.
D.Tso cai qhov tob ntawm qhov ncaj. Kub dov thiab kub extruded steel kav nrog txoj kab uas hla tsawg dua los yog sib npaug ntawm 140 hli yuav tsum tsis txhob ntau tshaj 5% ntawm nominal phab ntsa thickness, thiab qhov siab tshaj plaws qhov tob yuav tsum tsis txhob ntau tshaj 0.5 hli; Cold drawn (dov) steel yeeb nkab yuav tsum tsis txhob ntau tshaj 4% ntawm nominal phab ntsa thickness, thiab qhov siab tshaj plaws qhov tob yuav tsum tsis txhob ntau tshaj 0.3 hli.
E. Ob qhov kawg ntawm cov yeeb nkab steel yuav tsum tau txiav rau hauv txoj cai kaum thiab burrs yuav tsum tau muab tshem tawm.
Raws li cov qauv metallographic stainless hlau, nws tau muab faib ua semi ferritic thiab semi martensitic stainless hlau seamless yeeb nkab, martensitic stainless hlau seamless yeeb nkab, austenitic stainless hlau seamless yeeb nkab, austenitic ferritic stainless hlau seamless yeeb nkab, thiab lwm yam.
1. Kub dov (extruded seamless steel yeeb nkab): round tube dawb paug → cua sov → perforation → peb yob cross dov, nruam dov los yog extrusion → yeeb nkab stripping → sizing (los yog txo) → txias → straightening → hydrostatic test (los yog flaw detection) → marking → lub tsev khaws khoom
Cov khoom siv raw rau dov seamless raj yog round raj dawb paug. Lub raj puag ncig yuav tsum tau txiav thiab ua tiav los ntawm lub tshuab txiav, thiab qhov khoob nrog qhov loj ntawm li 1m yuav tsum raug xa mus rau qhov cub kom cua sov los ntawm txoj siv conveyor. Lub billet raug xa mus rau lub qhov cub kom cua sov ntawm qhov kub ntawm txog 1200 degrees Celsius. Cov roj yog hydrogen lossis acetylene. Kev tswj qhov kub thiab txias hauv qhov cub yog qhov teeb meem tseem ceeb. Tom qab lub round tube billet tawm ntawm lub cub tawg, nws yuav tsum tau pierced los ntawm lub siab piercer. Feem ntau, qhov ntau tshaj piercer yog lub conical yob piercer. Cov piercer no muaj kev ua haujlwm siab, cov khoom lag luam zoo, loj perforation nthuav dav thiab tuaj yeem hnav ntau qib steel. Tom qab perforation, lub puag ncig lub raj dawb paug yog txuas ntxiv dov los ntawm peb yob cross dov, nruam dov los yog extrusion. Tom qab extrusion, tshem tawm cov yeeb nkab rau sizing. Lub tshuab sizing rotates rau hauv steel embryo ntawm kev kub ceev los ntawm lub conical laum los tsim ib tug steel yeeb nkab. Sab hauv txoj kab uas hla ntawm cov yeeb nkab steel yog txiav txim siab los ntawm qhov ntev ntawm lub tshuab sizing me ntsis. Tom qab sizing, cov yeeb nkab steel nkag mus rau hauv qhov txias ntauwd thiab txias los ntawm cov tshuaj tsuag dej. Tom qab txias, cov yeeb nkab steel yuav ncaj. Tom qab straightening, cov yeeb nkab steel raug xa mus rau cov hlau tsis zoo (lossis kuaj hydrostatic) los ntawm txoj siv conveyor rau kev kuaj pom qhov tsis zoo. Yog tias muaj cov kab nrib pleb, npuas thiab lwm yam teeb meem hauv cov yeeb nkab steel, lawv yuav raug kuaj pom. Cov kav hlau yuav tsum nruj me ntsis xaiv los ntawm tes tom qab kev tshuaj xyuas zoo. Tom qab cov yeeb nkab steel raug tshuaj xyuas, tus naj npawb, specification, ntau lawm batch naj npawb, thiab lwm yam yuav tsum tau txau nrog cov xim. Thiab hoisted mus rau hauv lub warehouse los ntawm crane.
2. Cold drawn (dov) seamless steel yeeb nkab: round tube dawb paug → cua sov → perforation → taub hau → annealing → pickling → oiling (tooj liab plating) → multi pass txias drawing (txias dov) → blank raj → tshav kub kho → straightening → hydrostatic test (qhov tsis zoo nrhiav) → npav → warehousing.
Txoj kev dov ntawm cov khaub thuas rub (dov) seamless steel yeeb nkab yog qhov nyuaj tshaj li cov kub dov (extruded) seamless steel yeeb nkab. Thawj peb kauj ruam ntawm lawv cov txheej txheem tsim khoom yog qhov pib zoo ib yam. Qhov sib txawv pib ntawm theem plaub. Tom qab lub voj voog puag ncig yog emptied, nws yuav tsum tau pib thiab annealed. Tom qab annealing, tshwj xeeb acid kua yuav tsum tau siv rau pickling. Tom qab pickling, thov roj. Tom qab ntawd nws yog ua raws los ntawm ntau qhov kev kos duab txias (txias dov) thiab kev kho cua sov tshwj xeeb. Tom qab kev kho cua sov, nws yuav ncaj.
Raws li cov txheej txheem ntau lawm, nws tuaj yeem muab faib ua cov yeeb nkab kub dov, cov yeeb nkab txias txias, cov yeeb nkab txias, cov yeeb nkab extruded, thiab lwm yam.
1.1. Kub dov stainless hlau seamless yeeb nkab feem ntau yog tsim los ntawm cov yeeb nkab tsis siv neeg dov zeb. Tom qab kev tshuaj xyuas thiab tshem tawm cov teeb meem ntawm qhov chaw, cov khoom siv yeeb nkab dawb yog txiav rau hauv qhov ntev uas yuav tsum tau, nyob rau ntawm lub ntsej muag kawg ntawm lub perforated kawg ntawm cov yeeb nkab dawb paug, thiab tom qab ntawd xa mus rau lub qhov cub cua sov rau cua sov thiab perforated ntawm lub piercer. Thaum perforation, nws tig thiab nce mus tas li. Nyob rau hauv qhov kev txiav txim ntawm yob thiab ntsaws, ib kab noj hniav yog maj mam tsim nyob rau hauv cov yeeb nkab dawb paug, uas yog hu ua ntxhib yeeb nkab. Tom qab ntawd nws raug xa mus rau qhov tsis siv neeg cov yeeb nkab zeb kom txuas ntxiv dov. Thaum kawg, phab ntsa tuab yog hloov kho los ntawm tag nrho lub tshuab, thiab txoj kab uas hla yog txiav txim siab los ntawm lub tshuab sizing kom tau raws li qhov yuav tsum tau ua. Nws yog ib txoj hauv kev los tsim kub dov seamless steel yeeb nkab los ntawm cov yeeb nkab txuas txuas ntxiv.
1.2. Yog tias koj xav tau cov kav dej seamless nrog me me thiab zoo dua, koj yuav tsum siv cov khoom siv txias txias, kos duab txias los yog ob qho tib si ua ke. Txias dov feem ntau yog nqa tawm ntawm ob lub zeb siab. Cov yeeb nkab steel yog dov nyob rau hauv ib qho kev sib tw uas muaj qhov sib txawv ntawm qhov sib txawv ntawm qhov zawj thiab tsau conical ntsaws. Kev kos duab txias feem ntau yog nqa tawm ntawm ib qho saw lossis ob lub saw txias txias tshuab ntawm 0.5 ~ 100t.
1.3. Extrusion txoj kev txhais tau hais tias lub rhuab raj dawb paug yog muab tso rau hauv ib tug kaw extrusion cylinder, thiab perforated pas nrig txav ua ke nrog tus extrusion pas nrig extrude extrusion ib feem ntawm lub me me tuag qhov. Txoj kev no tuaj yeem tsim cov kav hlau nrog cov kab me me.
Cov yeeb nkab steel no tuaj yeem muab faib ua stainless hlau seamless steel yeeb nkab thiab stainless hlau welded steel yeeb nkab (slotted yeeb nkab), uas tuaj yeem tsim tau raws li kev tsim khoom sib txawv.
Cov hom yooj yim no yog: kub dov, extrusion, txias kos duab thiab txias dov. Raws li cov duab seem, lawv tuaj yeem muab faib ua cov yeeb nkab thiab cov yeeb nkab tshwj xeeb. Lub voj voog steel yeeb nkab yog dav siv, tab sis kuj tseem muaj qee qhov tshwj xeeb zoo li stainless hlau kav xws li square, rectangular, semicircular, hexagonal, equilateral triangle thiab octagonal.
Kev ntsuam xyuas hydraulic yuav tsum tau ua rau cov yeeb nkab steel bearing kua siab los ntsuas nws qhov kev ua haujlwm siab thiab zoo. Nws yog qhov tsim nyog yog tias tsis muaj qhov xau, ntub dej lossis nthuav dav raws li qhov ntsuas siab. Qee cov yeeb nkab steel kuj tseem yuav raug kuaj crimping, kuaj flaring thiab flattening xeem raws li tus qauv lossis cov kev xav tau ntawm tus neeg thov.
Seamless stainless hlau yeeb nkab, tseem hu ua stainless hlau seamless yeeb nkab, yog ua los ntawm steel ingot los yog cov yeeb nkab khoom tsis muaj perforation, thiab ces ua los ntawm kub dov, txias dov los yog txias txias. Qhov tshwj xeeb ntawm seamless steel yeeb nkab yog qhia nyob rau hauv mm ntawm txheej kab * phab ntsa thickness
Raws li cov qauv metallographic stainless hlau, nws tau muab faib ua semi ferritic thiab semi martensitic stainless hlau seamless yeeb nkab, martensitic stainless hlau seamless yeeb nkab, austenitic stainless hlau seamless yeeb nkab, austenitic ferritic stainless hlau seamless yeeb nkab, thiab lwm yam.
