Spiral welded ọkpọkọmmepụta na-eji ọkụ akpọrepu ọkụ.Ọdịnaya alloy nke eriri igwe na-adịkarị ala karịa ọkwa ndị yiri ya nke efere ígwè, na-eme ka weldability nke spiral welded pipe.N'ihi ntụgharị ntụgharị nke okirikiri welded ọkpọkọ abụghị perpendicular na ntụzịaka axis ọkpọkọ, mgbape mgbape nke ihe ndị na-agbado ọkpọkọ.

N'ihi na ọrụ pụrụ iche nke spiral ọkpọkọ, mgbe spiral welded ọkpọkọ gbawara mere, weld nwere nrụgide na co-nrụgide dịtụ obere, ịgbawa ọnụ na-adịkarị bụghị mmalite nke gburugburu weld, ya mere nchebe dị elu.Akara weld dị nso na ntụpọ nwere ike ịgbado gburugburu dị ntakịrị, yabụ ihe egwu nke mgbasawanye adịghị.

Ọkpụkpụ ígwè na-agbanye nrụgide dị n'ime, na-emekarị na mgbidi na ngwa ngwa abụọ nke ike, nrụgide radial δY na axial stress δX.Weld resultant stress δ = δY (l/4sin2α + cos2α) 1/2, nke, α bụ akụkụ helix nke spiral weld pipe.The helix n'akuku nke spiral weld pipe bụ n'ozuzu 50-75 degrees, ya mere, gburugburu weld buru ibu na-akpata nchekasị.N'otu ọrụ ahụ n'okpuru nrụgide nke otu dayameta gburugburu welded ọkpọkọ mgbidi ọkpụrụkpụ nwere ike ibelata a otutu, spiral anwụrụ osisi nwere ike ime ka ọ bụrụ obere caliber.