(1) Intshayelelo kwizixhobo zemibhobho yentsimbi engenamthungo:
GB/T8162-2008 (ipayipi yensimbi engenamthungo yokusetyenziswa kwesakhiwo). Ikakhulu isetyenziselwa izakhiwo eziqhelekileyo kunye nezakhiwo zoomatshini. Izinto zayo ezimele (amabanga): i-carbon steel No. 20, No. 45 intsimbi; intsimbi ye-alloy Q345, 20Cr, 40Cr, 20CrMo, 30-35CrMo, 42CrMo, njl.
I-GB/T8163-1999 (umbhobho wentsimbi ongenamthungo wokuthutha ulwelo). Isetyenziselwa ikakhulu ukuhambisa imibhobho yolwelo kubunjineli kunye nezixhobo ezinkulu. Izinto ezimele (amabanga) ziyi-20, i-Q345, njl.
GB3087-2008 (ipayipi yensimbi engenamthungo kwiibhoyili eziphantsi kunye neziphakathi). Isetyenziswa kakhulu kwimibhobho yokuhambisa ulwelo oluphantsi kunye noxinzelelo oluphakathi kwiibhoyila zoshishino kunye neebhoyila zasekhaya. Izinto ezimeleyo ziyiNombolo ye-10 kunye neNombolo ye-20 yensimbi.
GB/T17396-2009 (i-hot-rolled seamless steel pipe ye-hydraulic props). Isetyenziselwa ikakhulu ukwenza izixhaso ze-hydraulic, iisilinda kunye neentsika kwimigodi yamalahle, kunye nezinye iisilinda ze-hydraulic kunye neentsika. Izinto zayo ezimele ziyi-20, 45, 27SiMn, njl.
3 . Umbane: ukuhanjiswa kwerhasi, imibhobho yolwelo yokuvelisa amandla amanzi. 4. Imibhobho ye-Anti-static yezityalo zamandla omoya, njl.