Lub zog ntawm cov kauv raj feem ntau yog siab tshaj qhov ncaj seam welded yeeb nkab. Nws tuaj yeem siv cov yeeb nkab welded nrog ib txoj kab uas loj dua ntawm cov khoom siv billet, thiab tseem tuaj yeem siv tib qhov dav los tsim ib lub raj nrog cov kav dej sib txawv nrog cov kav dej sib txawv. Txawm li cas los xij, piv nrog tib qhov ntev ntawm tib qhov ntev, qhov ntev ntawm cov vuam yog nce los ntawm 30 ~ 100%, thiab cov khoom ceev yog qis dua. Yog li ntawd, feem ntau ntawm cov me me-caliber welded kav yog welded nrog ncaj seams, thiab feem ntau ntawm cov loj-caliber welded kav yog feem ntau muab kauv welded.
