(1) Chiyambi cha zida zachitsulo zopanda msoko:
GB/T8162-2008 (chitoliro chopanda msoko kuti chigwiritsidwe ntchito mwadongosolo). Amagwiritsidwa ntchito makamaka pazomangamanga ndi makina. Zida zake zoimira (makalasi): carbon steel No. 20, No. 45 zitsulo; aloyi zitsulo Q345, 20Cr, 40Cr, 20CrMo, 30-35CrMo, 42CrMo, etc.
GB/T8163-1999 (chitoliro chachitsulo chosasinthika chotengera madzi). Amagwiritsidwa ntchito kwambiri potengera mapaipi amadzimadzi mu engineering ndi zida zazikulu. Zoyimira (makalasi) ndi 20, Q345, etc.
GB3087-2008 (chitoliro chachitsulo chosasunthika cha ma boiler otsika ndi apakatikati). Amagwiritsidwa ntchito kwambiri m'mapaipi operekera madzi otsika komanso apakatikati pama boilers a mafakitale ndi ma boilers apanyumba. Zida zoimira ndi No. 10 ndi No. 20 zitsulo.
GB/T17396-2009 (chitoliro chachitsulo chosasunthika chotentha cha hydraulic props). Amagwiritsidwa ntchito kwambiri popanga zothandizira ma hydraulic, masilindala ndi mizati m'migodi ya malasha, komanso masilindala ena a hydraulic ndi mizati. Zoyimira zake ndi 20, 45, 27SiMn, etc.
(2) Kugwiritsa ntchito mapaipi achitsulo opanda msoko: 1. Mapaipi amtundu wa zomangamanga akuphatikizapo: mapaipi apansi pa nthaka, kutulutsa madzi pansi pa nthaka pomanga nyumba, mayendedwe amadzi otentha otentha, ndi zina zotero. . Zamagetsi: kufala kwa gasi, mapaipi amadzimadzi opangira madzi. 4. Anti-static mapaipi opangira magetsi a mphepo, etc.