Seamless steel kav

Seamless steel kav

Seamless steel kav yog ua los ntawm tag nrho cov hlau, thiab tsis muaj seams ntawm qhov chaw. Lawv hu ua seamless steel kav. Raws li txoj kev tsim khoom, cov kav dej seamless tau muab faib ua cov kav dej kub dov, cov kav dej txias txias, cov kav dej txias txias, cov kav dej extruded, jacking kav, thiab lwm yam. cov kav dej tshwj xeeb. Cov kav dej tshwj xeeb muaj cov square, oval, daim duab peb sab, hexagon, melon noob, lub hnub qub, tis kav thiab ntau lwm cov duab nyuaj. Qhov siab tshaj plaws txoj kab uas hla yog 650mm thiab qhov tsawg kawg nkaus txoj kab uas hla yog 0.3mm. Raws li kev siv sib txawv, muaj cov kav dej tuab-walled thiab nyias-walled kav. Seamless steel kav feem ntau yog siv los ua roj av geological drilling kav, tawg kav rau petrochemicals, boiler kav, bearing kav, thiab high-precision structural steel kav rau tsheb, tsheb laij teb, thiab aviation. Ib lub yeeb nkab steel uas tsis muaj seams raws periphery ntawm nws hla ntu. Raws li cov txheej txheem ntau lawm, nws tau muab faib ua cov kav dej kub, cov kav dej txias, cov kav dej txias, cov kav dej extruded, jacking kav, thiab lwm yam., tag nrho nrog lawv tus kheej cov txheej txheem kev cai. Cov ntaub ntawv muaj xws li cov qauv zoo tib yam thiab zoo carbon steel (Q215-A ~ Q275-A thiab 10 ~ 50 steel), cov hlau tsis tshua muaj hlau (09MnV, 16Mn, thiab lwm yam), alloy steel, stainless acid-resistant steel, thiab lwm yam. rau kev siv, nws tau muab faib ua kev siv dav dav (siv rau cov dej, cov kav dej thiab cov khoom siv, cov khoom siv kho tshuab) thiab siv tshwj xeeb (siv rau boilers, geological tshawb nrhiav, bearings, acid resistance, thiab lwm yam). ① Cov txheej txheem tseem ceeb ntawm cov kub dov seamless steel yeeb nkab (△ Cov txheej txheem kev tshuaj xyuas tseem ceeb):
Kev npaj thiab tshuaj xyuas △ → Pipe blanking cua sov → Pipe perforation → Pipe dov → Steel yeeb nkab reheating → Loj (txo) → Thaum tshav kub kub kho △ → Tiav cov yeeb nkab ncaj → Tiav → Tshuaj ntsuam xyuas △ (Tsis yog-kev puas tsuaj, lub cev thiab tshuaj, tshuaj xyuas lub rooj ntev zaum) → Warehouse
② Cov txheej txheem tseem ceeb ntawm cov khaub thuas dov (kos) seamless steel yeeb nkab: Seamless steel yeeb nkab_Seamless steel yeeb nkab chaw tsim tshuaj paus_Seamless steel yeeb nkab nqe
Kev npaj dawb → Acid pickling thiab lubrication → Txias dov (kos duab) → Kev kho cua sov → Ncaj → Tiav → Kev tshuaj xyuas
Cov txheej txheem ntawm seamless steel yeeb nkab ntau lawm tuaj yeem muab faib ua cov duab txias thiab kub dov. Cov txheej txheem tsim khoom ntawm cov yeeb nkab txias-dov seamless steel yeeb nkab feem ntau nyuaj dua li kub dov. Cov yeeb nkab dawb paug yuav tsum tau ua ntej dov nrog peb chais, thiab tom qab ntawd qhov ntsuas qhov ntsuas yuav tsum tau nqa tawm tom qab extrusion. Yog tias tsis muaj cov lus teb tawg rau ntawm qhov chaw, cov yeeb nkab puag ncig yuav tsum tau txiav los ntawm lub tshuab txiav thiab txiav mus rau hauv ib lub billet ntev txog ib meter. Tom qab ntawd nkag mus rau cov txheej txheem annealing. Annealing yuav tsum tau pickled nrog acidic kua. Thaum pickling, ua tib zoo saib seb puas muaj npuas ntau ntawm qhov chaw. Yog tias muaj npuas ntau, nws txhais tau hais tias qhov zoo ntawm cov yeeb nkab steel tsis ua raws li cov qauv sib xws. Nyob rau hauv tsos, txias-dov seamless steel kav yog luv dua li kub dov seamless steel kav. Cov phab ntsa tuab ntawm cov kav dej txias-dov seamless steel feem ntau me dua li cov kav dej kub-kuav los tiag seamless steel kav, tab sis qhov saum npoo zoo li ci dua li cov kav dej tuab-walled seamless steel kav, thiab qhov saum npoo tsis dhau ntxhib, thiab txoj kab uas hla tsis muaj. ntau burrs.
Lub xeev tus me nyuam ntawm kub dov seamless steel kav yog feem ntau kub-dov thiab kub-kho ua ntej xa khoom. Tom qab kev soj ntsuam zoo, cov kav dej kub-dov seamless steel kav yuav tsum nruj me ntsis xaiv los ntawm cov neeg ua haujlwm, thiab qhov saum npoo yuav tsum tau oiled tom qab kev soj ntsuam zoo, ua raws li ntau yam kev ntsuas txias txias. Tom qab kub dov kev kho mob, kev ntsuam xyuas perforation yuav tsum tau ua. Yog hais tias lub perforation txoj kab uas hla loj heev, straightening thiab kho yuav tsum tau nqa tawm. Tom qab straightening, cov khoom siv conveyor yuav raug xa mus rau qhov ntsuas qhov tsis haum rau kev kuaj xyuas qhov tsis zoo, thiab thaum kawg tau sau npe, npaj rau hauv cov lus qhia tshwj xeeb, thiab muab tso rau hauv lub tsev rau khoom.
Round tube billet → cua sov → perforation → peb-roller oblique dov, nruam dov los yog extrusion → raj tshem tawm → sizing (los yog txo txoj kab uas hla) → txias → straightening → hydraulic siab kuaj (los yog flaw detection) → cim → cia Seamless steel yeeb nkab yog tsim ntawm steel ingot los yog khoom tube billet los ntawm perforation rau hauv ntxhib raj, thiab ces ua los ntawm kub dov, txias dov los yog txias txias. Cov kev qhia tshwj xeeb ntawm seamless steel yeeb nkab yog qhia nyob rau hauv millimeters ntawm sab nraud txoj kab uas hla * phab ntsa thickness.
Sab nraud txoj kab uas hla ntawm kub dov seamless yeeb nkab yog feem ntau ntau dua 32 hli, thiab phab ntsa thickness yog 2.5-200 hli. Sab nraud txoj kab uas hla ntawm txias-dov seamless steel yeeb nkab tuaj yeem ncav cuag 6 hli, phab ntsa tuab tuaj yeem ncav cuag 0.25mm, thiab sab nraud txoj kab uas hla ntawm nyias-walled yeeb nkab tuaj yeem ncav cuag 5 hli thiab phab ntsa thickness tsawg dua 0.25mm. Txias dov muaj qhov tseeb qhov tseeb dua li qhov kub dov.
Feem ntau, seamless steel kav yog ua los ntawm 10, 20, 30, 35, 45 high-zoo carbon steel, 16Mn, 5MnV thiab lwm yam uas tsis muaj alloy structural steel los yog 40Cr, 30CrMnSi, 45Mn2, 40MnB thiab lwm yam alloy steels. Kub dov los yog txias dov. Cov kav dej tsis sib haum ua los ntawm cov hlau tsis tshua muaj xws li 10 thiab 20 feem ntau yog siv rau cov kav dej xa dej. Seamless kav ua los ntawm nruab nrab carbon steel xws li 45 thiab 40Cr yog siv los tsim cov khoom siv kho tshuab, xws li cov khoom thauj khoom ntawm tsheb thiab tsheb laij teb. Feem ntau, seamless steel kav yuav tsum xyuas kom meej lub zog thiab flattening xeem. Kub dov steel kav yog xa mus rau hauv kub dov los yog kub-kho lub xeev; txias-kuav los tiag steel kav yog xa nyob rau hauv tshav kub-kho lub xeev.
Kub dov, raws li lub npe implies, muaj qhov kub thiab txias rau lub dov daim, yog li lub deformation kuj yog me me thiab ib tug loj deformation npaum li cas yuav ua tau tiav. Noj cov dov ntawm steel daim hlau ua piv txwv, lub thickness ntawm nruam casting billet feem ntau yog hais txog 230mm, thiab tom qab ntxhib dov thiab tiav dov, qhov kawg thickness yog 1 ~ 20mm. Nyob rau tib lub sijhawm, vim qhov me me dav-rau-thickness piv ntawm cov hlau phaj, qhov yuav tsum tau muaj qhov tseeb ntawm qhov tsawg, thiab nws tsis yooj yim rau cov teeb meem ntawm cov phaj, feem ntau yog tswj cov convexity. Rau cov neeg uas xav tau lub koom haum, nws yog feem ntau ua tiav los ntawm kev tswj dov thiab tswj kev ua kom txias, uas yog, tswj qhov pib dov kub thiab qhov kawg dov kub ntawm qhov tiav dov. Round tube billet → cua sov → tho → taub hau → annealing → pickling → oiling (tooj liab plating) → ntau dhau ntawm kev txias txias (txias dov) → billet raj → tshav kub kho → straightening → dej siab kuaj (tsis pom kev) → cim → cia.