Machubu achitsulo opanda msoko a ma boilers otsika komanso apakatikati (GB3087-2018) ndi machubu achitsulo apamwamba kwambiri a carbon structural zitsulo zotentha komanso zokokedwa (zopindika) zopanda msoko, zomwe zimagwiritsidwa ntchito popanga mapaipi otentha kwambiri, mapaipi amadzi otentha amitundu yosiyanasiyana ya ma boiler otsika komanso apakatikati ndi mapaipi otentha kwambiri, mapaipi autsi akulu. , mapaipi ang'onoang'ono a utsi ndi mapaipi a njerwa a arch a ma boilers a locomotive.

Malekezero a chitoliro chachitsulo ayenera kukhala perpendicular kwa olamulira chitoliro zitsulo, ndi burrs ayenera kuchotsedwa.GB3087muyezo zitsulo chitoliro zambiri zopangidwa 10, 20 otentha adagulung'undisa kapena ozizira adagulung'undisa apamwamba mpweya structural zitsulo, nthawi zambiri amafunikira.madzi pressuree, crimping, kuyaka, kusalalandi mayeso ena kuti atsimikizire mtundu wa malonda ndi magwiridwe antchito.