Teknụzụ ịgbado ọkụ nke submerged arc eji na nnukwu dayameta gbara ọkpụrụkpụ mgbidi welded ọkpọkọ nwere njirimara nke ịdị mma weld dị elu, nrụpụta nrụpụta dị elu, enweghị ọkụ arc na obere anwụrụ ọkụ.A na-ejikarị ya na arịa nrụgide, nrụpụta ọkpọkọ dabara adaba, beam na kọlụm, mmiri mmiri dị ala na injinia nchara nchara.Nnukwu dayameta oké mgbidi welded anwụrụ na-agụnye nnukwu dayameta ogologo onuete oké mgbidi welded ọkpọkọ na nnukwu dayameta gburugburu gbara ọkpụrụkpụ mgbidi ígwè anwụrụ.The isi Executive ụkpụrụ nke nnukwu dayameta ogologo onuete oké mgbidi ígwè anwụrụ bụ gb/t3091-2008, gb/t9711.1-1997 na API 5L ụkpụrụ.