Nzira yekuratidza giredhi resimbi yewelding: Welding simbi inosanganisira kabhoni simbi yewelding, alloy steel for welding, Stainless steel for welding, etc. Nzira yekuratidza giredhi ndeyekuwedzera chiratidzo “H” kumusoro werudzi rwega rwega. welding simbi giredhi. Semuenzaniso H08, H08Mn2Si, H1Cr18Ni9. Kune yakakwirira-yepamusoro-yemhando yesimbi yakashongedzwa, wedzera chiratidzo "A" pakupera kwegiredhi. Semuenzaniso H08A, H08Mn2SiA.

Kazhinji kushandiswawelded simbi pombizvakakamurwa kuva mhando nhatu dzinotevera maererano nemaitiro ekugadzira anoshandiswa mukugadzira kwavo.
① Kuenderera mberi kwechoto welding (forge welding) simbi pombi: Inoratidzwa nekukwira kwekugadzira uye mutengo wakaderera wekugadzira, asi musanganiswa wesimbi weiyo welded joint haina kukwana, weld mhando haina kunaka, uye huwandu hwemakinari husina kunaka.

② Resistance welded simbi pombi: Iyo inoratidzirwa nehukuru hwekugadzira dhizaini, yakakwirira dhigirii ye otomatiki, hapana chikonzero chetsvimbo yewelding uye flux panguva yewelding, kukuvadzwa kudiki kune base simbi, uye kudiki deformation uye kusara kushushikana mushure mekugadzira. Nekudaro, midziyo yayo yekugadzira yakaoma, mari yekushandisa yakakwira, uye iyo yepamusoro yemhando zvinodiwa zvewelded majoini zvakare akakwira.

③Arc welded simbi pombi: Chimiro chayo ndechekuti iyo yakasungwa yekubatanidza inowana yakazara metallurgical bonding, uye ma mechanic zvimiro zvejoinhi zvinogona kusvika zvizere kana kuva padhuze nemakanika ezvivakwa zvepasi. Zvinoenderana nechimiro che weld, arc welded simbi mapaipi anogona kupatsanurwa kuita yakatwasuka seam pombi uye spiral welded pombi; zvinoenderana nenzira dzakasiyana dzekudzivirira dzinoshandiswa panguva yekushikirira, arc welded simbi pombi inogona kukamurwa kuita yakadzika arc welded simbi pombi uye kunyungudutsa arc welded simbi pombi. Kune marudzi maviri e welded simbi mapaipi.