GB/T8162-2008 (Chitoliro chosasunthika chachitsulo cha kapangidwe). Amagwiritsidwa ntchito kwambiri pamapangidwe ambiri komanso makina. Zoyimira zake (mitundu): chitsulo cha carbon#20,# 45 zitsulo; aloyi zitsulo Q345B, 20Cr, 40Cr, 20CrMo, 30-35CrMo, 42CrMo, etc. Kuonetsetsa mphamvu ndi flattening mayeso.

GB/T8163-2008 (Chitoliro chopanda chitsulo chotumizira madzi). Amagwiritsidwa ntchito makamaka mu engineering ndi zida zazikulu zonyamulira mapaipi amadzimadzi. Zoyimira (mtundu) ndi 20 #, 45 #. 55 # Q345 B ndi zina.

GB3087-2008 (Mapaipi opanda zitsulo osasunthika a ma boilers otsika komanso apakatikati). Amagwiritsidwa ntchito kwambiri m'ma boilers a mafakitale ndi ma boilers apanyumba kuti azinyamula mapaipi otsika komanso apakatikati. Zoyimira ndi 10 ndi 20 zitsulo. Kuphatikiza pakuwonetsetsa kupangidwa kwamankhwala ndi makina amakina, kuyezetsa kuthamanga kwa madzi, crimping, flaring, and flattening test kuyenera kuchitika.

GB5310-2008 (Machubu achitsulo osasunthika a ma boiler othamanga kwambiri). Amagwiritsidwa ntchito makamaka pakutentha kwambiri komanso kuthamanga kwambiri kutumizira mitu yamadzimadzi ndi mapaipi pama boiler m'mafakitale amagetsi ndi mafakitale amagetsi a nyukiliya. Zida zoyimilira ndi 20G, 12Cr1MoVG, 15CrMoG, etc. Kuwonjezera pa kuonetsetsa kuti mankhwala amapangidwa ndi makina opangidwa ndi makina, m'pofunika kuchita mayeso a kuthamanga kwa madzi m'modzi ndi mmodzi, komanso kuyesa kuphulika ndi flattening. Chitoliro chachitsulo chimaperekedwa mumkhalidwe wotentha. Kuphatikiza apo, palinso zofunika zina za microstructure, kukula kwambewu, ndi wosanjikiza wopangidwa ndi chitoliro chomalizidwa chachitsulo. 

GB5312-2009 (Carbon steel and carbon-manganese steel seamless steel tubes for ships). Amagwiritsidwa ntchito makamaka pamapaipi apakati a I ndi II a ma boiler am'madzi ndi ma superheaters. Zoyimira ndi 360, 410, 460 zitsulo, etc.

GB6479-2013 (Mapaipi achitsulo osasunthika a zida za feteleza zapamwamba). Amagwiritsidwa ntchito kwambiri potengera kutentha kwambiri komanso mapaipi amadzimadzi othamanga kwambiri pazida za feteleza. Zoyimira ndi 20 #, 16Mn / Q345B, 12CrMo, 12Cr2Mo, etc.

GB9948-2013 (Chitoliro chopanda chitsulo chopanda mafuta). Amagwiritsidwa ntchito kwambiri mu ma boilers, osinthanitsa kutentha ndi mapaipi amadzimadzi amafuta osungunulira mafuta. Zoyimira zake ndi 20, 12CrMo, 1Cr5Mo, 1Cr19Ni11Nb, etc.

GB18248-2008 (Machubu opanda zitsulo opanda ma silinda a gasi). Amagwiritsidwa ntchito kwambiri popanga ma silinda osiyanasiyana a gasi ndi ma hydraulic. Zoyimira zake ndi 37Mn, 34Mn2V, 35CrMo, etc.

GB/T17396-2009 (mapaipi achitsulo osasunthika otentha opangira ma hydraulic props). Amagwiritsidwa ntchito kwambiri popangira ma hydraulic mgodi, masilindala ndi mizati, ndi masilindala ena a hydraulic ndi mizati. Zoyimira zake ndi 20, 45, 27SiMn, etc.

GB3093-2002 (Mapaipi achitsulo osakanizika kwambiri a injini za dizilo). Amagwiritsidwa ntchito kwambiri popanga chitoliro chamafuta othamanga kwambiri a injini ya dizilo. Chitoliro chachitsulo nthawi zambiri chimakhala chozizira, ndipo choyimira chake ndi 20A.

 GB/T3639-2009 (chitoliro chozizira chokoka kapena chozizira chokulungidwa mwatsatanetsatane chitsulo chosasinthika). Amagwiritsidwa ntchito kwambiri pamapaipi achitsulo pamakina amakina ndi zida zamphamvu za kaboni zomwe zimafunikira kulondola kwapamwamba komanso kumalizidwa bwino padziko lapansi. Zoyimira zake ndi 20, 45 zitsulo, etc.

GB/T3094-2012 (chitoliro chozizira chokokedwa chopanda msokonezo chachitsulo). Amagwiritsidwa ntchito kwambiri popanga magawo ndi magawo osiyanasiyana, ndipo zida zake ndizitsulo zapamwamba kwambiri za carbon structural steel ndi chitsulo chochepa cha alloy structural steel.