Ọkpụkpụ ígwè gbara okirikiri gbara ọkpụrụkpụ bụ usoro ịgbado ọkụ n'okpuru oyi akwa. A na-emepụta ya site na iji ọkụ ọkụ na-esi na arc na-ere n'etiti mmiri na waya ịgbado ọkụ n'okpuru oyi akwa flux, metal base, na mgbaze waya ịgbado ọkụ.

N'oge eji, isi nchegbu direction nke oké-walled spiral ígwè ọkpọkọ, ya bụ, Ẹkot ntụpọ ogologo na axis direction nke ígwè ọkpọkọ, bụ obere karịa nke ogologo onuete ọkpọkọ; Ọ bụrụ na ogologo ọkpọkọ bụ L, ogologo weld bụ L / cos (θ). Enweela arụmụka ogologo oge n'etiti ọkpọkọ nchara gburugburu na ọkpọkọ kwụ ọtọ. Nke mbụ, n'ihi na ntụpọ ndị ahụ na-ejikọta na welds, maka ọkpọkọ nchara gburugburu, ntụpọ ndị dị na welds bụ "nrụrụ oblique". Nke abuo, nchara pipeline niile bụ efere ígwè a na-atụgharị. , Mmetụta siri ike nwere nnukwu anisotropy, uru CVN tinyere ntụgharị ntụgharị nwere ike ịbụ ugboro 3 karịa uru CVN dị elu na ntụgharị ntụgharị, eriri weld nke spiral steel pipe dị ogologo karịa nke ọkpọkọ ogologo, karịsịa tụnyere UOE. ígwè ọkpọkọ A ọzọ elu nsogbu, na mmepe nke spiral ígwè ọkpọkọ n'ichepụta technology taa, anyị kwesịrị inyocha na tụnyere comprehensively na n'ụzọ ziri ezi, na-aghọta ọzọ nsogbu nke ogologo gburugburu ígwè anwụrụ welds.

Nchegbu bụ isi na ọkpọkọ igwe gbara okirikiri gbara ọkpụrụkpụ dabara na ntụzịaka nke nguzogide mmetụta ọkpọkọ. A na-etolite spral seam submerged arc welded steel pipes site na-ehulata nchara na-ekpo ọkụ akpọrepu n'ụdị okirikiri, na n'ime na mpụta na-welded site na akpaka submerged arc ịgbado ọkụ. A na-eme ya ka ọ bụrụ ọkpọkọ nchara na-agbagharị agbagharị, na ọkpọkọ nchara na-atụgharị ntụzịaka nke nguzogide mmetụta nke ọkpọkọ, na-atụgharị mwepu nke ogologo ogologo weld nke ọkpọkọ nchara n'ime uru. Enwere ike iji ya mee ihe n'ọtụtụ ebe n'imepụta ọkpọkọ ígwè buru ibu maka ihe ndị a:
1) N'ihi na ọ na-anọgide na-ehulata ma na-etolite, ogologo oge a kapịrị ọnụ nke ọkpọ ígwè anaghị ejedebe;
2) Ọ bụrụhaala na a na-agbanwe akụkụ akpụ akpụ, a na-emepụta ọkpọkọ ígwè nke dị iche iche dị iche iche site na nchara nchara nke otu obosara;
3) Ọ dị mfe ịgbanwe nha, kwesịrị ekwesị maka imepụta obere batches na ọtụtụ ụdị ọkpọ ígwè;
4) A na-ekesa welds ahụ n'ụzọ zuru oke n'ogologo dum nke ọkpọkọ ígwè, ya mere ọkpọkọ ígwè ahụ nwere oke nha anya na ike dị elu.