Square square steel yeeb nkab Q195 Q235 Q345 Square thiab duab plaub

Cov raj square raug cais raws li lawv cov duab sib dhos: cov kab sib dhos yooj yooj yim: cov raj square thiab cov raj duab plaub. Tom qab cov txheej txheem tiav lawm, nws yog dov rau hauv sawb hlau. Feem ntau, cov sawb hlau yog unpacked, flattened, crimped, thiab welded rau hauv ib puag ncig raj, ces lub round raj yog dov mus rau hauv ib lub raj square, thiab ces txiav mus rau qhov ntev yuav tsum tau. Raws li cov txheej txheem tsim khoom, lub raj square tau muab faib ua: kub dov seamless square raj, txias-draw seamless square raj, extruded seamless square raj, thiab welded square raj. Rectangular pipes muab faib ua ultra-thick-walled rectangular kav, tuab-walled rectangular kav thiab nyias-walled rectangular kav raws li lawv cov phab ntsa thickness.