Plaub fab thiabCov raj plaub fab, ib lub sij hawm raulub raj xa dej square, uas yog cov kav hlau uas muaj qhov ntev sib npaug thiab tsis sib npaug. Nws yog ib daim hlau dov tom qab ua tiav. Feem ntau, cov hlau strip raug unwrapped, flattened, curled, welded los ua ib lub raj puag ncig, thiab tom qab ntawd dov los ntawm lub raj puag ncig mus rau hauv ib lub raj square thiab tom qab ntawd txiav mus rau qhov ntev xav tau.Cov yeeb nkab hlau uas muaj qhov ntev sib npaug hu ua yeeb nkab plaub fab, tus lej F.yeeb nkab hlaunrog cov sab ntev tsis sib npaug hu ua yeeb nkab plaub fab, code J.
Lub raj xa dej raws li cov txheej txheem tsim khoom: lub raj xa dej kub dov seamless, lub raj xa dej txias kos seamless, lub raj xa dej extruded seamless,welded square raj.
Raws li cov khoom siv: cov pa roj carbon steel square tube, cov hlau tsis tshua muaj square tube
1, cov hlau carbon dawb yog muab faib ua: Q195, Q215, Q235, SS400, 20 # hlau, 45 # hlau thiab lwm yam.
2, cov hlau tsis tshua muaj hlau yog muab faib ua: Q355, 16Mn, Q390, ST52-3 thiab lwm yam.
Cov ntaub ntawv siv feem ntau: Q195-215; Q235B
Cov qauv kev siv:
GB/T6728-2017, GB/T6725-2017, GB/T3094-2012, JG/T 178-2005, GB/T3094-2012, GB/T6728-2017, GB/T34201-2017
Daim Ntawv Thov: Siv dav hauv kev tsim khoom siv tshuab, kev tsim kho, kev lag luam hlau, tsheb ua liaj ua teb, tsev cog khoom ua liaj ua teb, kev lag luam tsheb, kev tsheb ciav hlau, kev tiv thaiv txoj kev loj, cov pob txha thawv, rooj tog, kho kom zoo nkauj, thiab cov qauv hlau.
Lub sijhawm tshaj tawm: Lub Kaum Ob Hlis-23-2023
