Peipi e khutlonnetsepa ke mofuta oa karolo e sekoti ea lisekoere tse bobebe tse tšesaane tse nang le marako a tšepe, tse tsejoang hape e le karolo ea tšepe e kobehileng ka sehatsetsing. Ke karolo ea tšepe e nang le sebopeho sa lisekoere-karolo le boholo bo entsoeng ka Q235 e chesang e chesang kapa e batang kapa coil e le thepa ea motheo, e entsoeng ka ho kobeha ho batang ebe ho tjheseletsa maqhubu a phahameng. Ntle le e ile ea eketseha lerako botenya, boholo hukung le bohale flatness ea chesang-rollwa eketsehileng-tenya-marako lisekoere tube fihla kapa feta boemo ba ho hanyetsa welded batang thehoa lisekoere tube. Khethollo ea liphaephe tse khutlonnetsepa: liphaephe tsa tšepe li arotsoe ka liphaephe tsa tšepe tse se nang moroallo le lipeipi tsa tšepe tse cheselitsoeng (lipeipi tse koetsoeng) lipeipi tsa sekwere se chesang tse kentsoeng ka mocheso o batang, lipeipi tsa sekwere tse se nang moroko, lipeipi tse tsoelipaneng tse sekoere, le liphaephe tse sekoere tse cheselitsoeng.