Njengemathiriyeli yentsimbi eyimfuneko nebalulekileyo kulwakhiwo loqoqosho lwesizwe, imibhobho yentsimbi engenamthungo isetyenziswa kakhulu kwimimandla efana nokwakha, ukusetyenzwa koomatshini, nobunjineli bemibhobho (ulwelo lokuthutha kunye nezinto eziqinileyo ezifana namanzi, i-oyile, igesi, amalahle, kunye nebhoyila. umphunga). Ngenxa yeendawo ezahlukeneyo zokusetyenziswa kunye nokusetyenziswa, kuseyimfuneko ukukhetha izixhobo ezifanelekileyo kunye nemigangatho xa ukhetha ukuphepha inkcitho kunye nezinto ezingakhuselekanga.
20 # GB8163 uthutho fluid umbhobho yentsimbi engenamthungo
Zithetha ntoni izinto zentsimbi engenamthungo? Isixhobo yinto esihlala siyibiza ngokuba yibakala, njenge-20 #, 45 #, emele ukwakheka kweekhemikhali kunye neempawu zoomatshini ezinje ngamandla okuqina, amandla esivuno, kunye nezinga lokwandiswa. Oku kulandelayo kusetyenziswa ngokuqhelekileyo izixhobo zemibhobho yensimbi engenamthungo, imigangatho yokuvelisa kunye nokusetyenziswa okushwankathelweyo ngumbhali.
1.GB/T8162-2018, Imibhobho yensimbi engenamthungo, esetyenziswa kakhulu kubunjineli bezakhiwo ngokubanzi, ukusetyenzwa koomatshini, ukwakhiwa kunye nezinye iinkalo. Izinto ezimele: 20 #, 45 #, q345b, 40Cr, 42CrMo, njl.;
I-2.GB/T8163-2018, umbhobho wensimbi ongenamthungo wokuthuthwa kwamanzi, ngokukodwa isetyenziswe kwiiprojekthi zepayipi ezinoxinzelelo oluphantsi. Izinto ezimele: 20 #, q345b;
45 # GB8162 umbhobho wentsimbi yesakhiwo engenamthungo
3.GB/T3087-2017, ibhoyila yoxinzelelo oluphantsi noluphakathi imibhobho yentsimbi engenamthungo, ikakhulu esetyenziselwa ukuvelisa izakhiwo ezahlukeneyo zemibhobho yomphunga eshushu kakhulu, imibhobho yamanzi abilayo kwiibhoyila ezinoxinzelelo oluphantsi naphakathi, kunye nemibhobho yomphunga eshushu kakhulu kunye nemibhobho yezitena ze-arch kwiibhoyila ze-locomotive. Izinto ezimele: 10 #, 20 #, Q355B;
GB5310ityhubhu yebhoyila yoxinzelelo oluphezulu, izinto 12Cr1MovG
4.GB/T5310-2017, iibhobho zensimbi ezingenamthungo kwiibhoyili eziphezulu, ezisetyenziselwa ukuvelisa iindawo zokufudumeza zamanzi-ityhubhu yeebhoyili zoxinzelelo oluphezulu nangaphezulu. Kukho intsimbi yekhabhoni, intsimbi yealloyi kunye nemibhobho yentsimbi engenamthungo ekwazi ukumelana nobushushu. Izinto ezimele: 20G, 15CrMoG, 12Cr1MoVG, njl.;
5.GB/T6479-2018, imibhobho yensimbi engenamthungo ephezulu yoxinzelelo lwezixhobo zesichumisi, ikakhulu ezisetyenziselwa izixhobo zekhemikhali kunye nemibhobho enobushushu obusebenzayo -40 ~ 400 ℃ kunye noxinzelelo olusebenzayo lwe-10 ~ 30Ma. Kukho i-carbon structural steel kunye ne-alloy steel seamless steel pipes. Izinto ezimele: q345a-bcde, 20 #, 10mowvnb, 15CrMo;
6.GB/T9948-2013, imibhobho yensimbi engenamthungo yokuqhekeka kwepetroleum, esetyenziswa ikakhulu kwiibhubhu zesithando somlilo, ukutshintshiselana kobushushu kunye nemibhobho yokucoca i-petroleum. Izinto ezimele: 10 #, 20 #, Q345, 15CrMo;
Ixesha lokuposa: Jan-04-2024
