Machubu achitsulo opanda msoko ama 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 otentha amadzi amitundu yosiyanasiyana ya ma boilers otsika komanso apakatikati ndi mapaipi otentha kwambiri, mapaipi akulu a utsi. , 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 amafunikiramadzi pressuree, crimping, kuyaka, kusalalandi mayeso ena kuti atsimikizire mtundu wa malonda ndi magwiridwe antchito.