Ntau yam tuab phab ntsa square tubes yog customized
1. Raws li cov txheej txheem - arc vuam square raj, tsis kam vuam square raj (siab zaus thiab tsis tshua muaj zaus), roj vuam square raj thiab rauv vuam square raj
2. Raws li cov weld - ncaj welded square yeeb nkab thiab kauv welded square yeeb nkab.
![welded square pipe](http://www.weichuansteel.com/uploads/welded-square-pipe.jpg)
Cov raj square tau muab faib ua cov pa roj carbon zoo tib yam square raj thiab qis alloy square raj raws li cov khoom siv.
1. Cov pa roj carbon zoo tib yam tau muab faib ua Q195, Q215, Q235, SS400, 20# steel, 45# steel, thiab lwm yam.
2. Tsawg alloy steels tau muab faib ua Q345, 16Mn, Q390, St52-3, thiab lwm yam.
Kev faib khoom txheem
Cov raj square tau muab faib ua lub teb chaws tus qauv square tubes, Japanese standard square tubes, British standard square tubes, American standard square tubes, European standard square tubes thiab non-standard square tubes raws li cov qauv tsim.
Cov kav dej square raug cais raws li cov duab seem:
1. Tej yam yooj yim seem square tube: square tube, rectangular square raj.
2. Square tube nrog txoj haujlwm seem: paj zoo li lub raj square, qhib lub raj square, corrugated square raj thiab tshwj xeeb-shaped square raj.
Cov kav dej square tau muab faib ua cov kav dej kub-dip galvanized square kav, electro galvanized square kav, oiled square kav thiab pickled square kav raws li kev kho deg.
Square tubes raug cais los ntawm lub hom phiaj: square tubes rau kho kom zoo nkauj, square tubes rau cov cuab yeej siv tshuab, square tubes rau kev lag luam kev lag luam, square tubes rau kev lag luam chemical, square tubes rau steel qauv, square tubes rau nkoj tsim, square raj rau tsheb, square raj rau steel beams thiab kab, thiab square tubes rau tshwj xeeb lub hom phiaj.
Rectangular tubes raug cais raws li phab ntsa tuab: cov phab ntsa tuab tuab ntxiv, cov phab ntsa tuab tuab thiab cov phab ntsa nyias nyias.
1. Cov txheej txheem ntws ntawm cov iav tsom iav raj
Cov yeeb nkab tsis muaj - Kev tshuaj xyuas - tev - Kev tshuaj xyuas - cua sov - perforation - Pickling - sib tsoo - Lubrication thiab cua kom qhuav - vuam taub hau - txias kos duab - khoom kho kho - Pickling - pickling thiab passivation - tshuaj xyuas - txias dov - degreasing - taub hau txiav - cua ziab - Sab hauv polishing - Sab nrauv polishing - Kev tshuaj xyuas - Kev txheeb xyuas - tiav cov khoom ntim
2. Muaj yeeb nkab txheej txheem ntws
Cov yeeb nkab tsis muaj - Tshuaj xyuas - tev - Kev tshuaj xyuas - cua sov - perforation - Pickling - sib tsoo - Lubrication thiab cua kom qhuav - vuam taub hau - txias kos duab - khoom kho kho - Pickling - pickling passivation - Tshuaj xyuas
3. Welded yeeb nkab txheej txheem ntws
Uncoiling - leveling - kawg shearing thiab vuam - looper - sib sau - Vuam - sab hauv thiab sab nraud weld hlaws tshem tawm - pre kho - induction tshav kub kho - sizing thiab straightening - eddy tam sim no xeem - txiav - hydraulic tshuaj xyuas - Pickling - zaum kawg tshuaj xyuas - ntim
4. txheej txheem ntws ntawm seamless square yeeb nkab
Round steel - raj dawb paug - Kev tshuaj xyuas - cua sov - perforation - sizing - kub dov - tiaj taub hau - Kev tshuaj xyuas - Pickling - spherical annealing - txias kos duab - sib sau - sib koom ua ke - Kev tshuaj xyuas