ERW (Electric Resistance Welding) ígwè ọkpọkọA na-akpọ ọkpọkọ ERW ma ọ bụ HF welded pipe, ọ nwere ọtụtụ uru dị ka ndị a:

1) nrụpụta nrụpụta dị elu, ọnụ ala dị ala, ọnụ ahịa ya bụ ihe gbasara UOE ogologo seam submerged arc welded steel, 85%;

2) elu akụkụ ziri ezi, ya roundness (Roundenss) dị elu ka gburugburu welded ọkpọkọ, na counterpart nwere ike ịzọpụta a otutu awa n'ọhịa;

3) elu dị larịị, ọdịdị mara mma, nke na-eme ka mkpuchi dị n'ime na n'èzí kpuchie ya.N'oge gara aga, ntụkwasị obi na-adịghị mma nke ERW pipe welds, ọkpọkọ enweela ọnụ ọgụgụ dị ukwuu nke ihe mberede, si otú a na-egbochi iji ERW pipe.Na nso nso a, Zhejiang Jinzhou Group etinyewo nnukwu ego, site na nkwonkwo mgbalị nke ndị na-eme nchọpụta na ọkpọkọ emeputa, ọnọdụ a gbanwere substantially nke ERW ígwè anwụrụ weld àgwà nwere ike tụnyere na LSAW yiri.

Usoro nke ERW pipe iji mee ihe ndị a:

1) na-achịkwa ntinye ọkụ n'ime usoro ahụ, ọtụtụ ihe na-emetụta ntinye ọkụ, nke mbụ bụ akụkụ ntụgharị (Convergency Angle).Nsonaazụ gosiri na, n'ihe banyere ihe ndị ọzọ mgbe niile, convergence n'akuku dị oke ibu na-eme ka oyi ịgbado ọkụ, convergence akụkụ dị oke obere ga-eme ka oke ọkụ.Ihe ọzọ na-emetụta ọkpọkọ ntinye thermal na ọsọ ọsọ nke eriri akpụ.Nsonaazụ na-egosi na n'ihe banyere ihe ndị ọzọ na-adịgide adịgide, ọsọ na-agba ọsọ nwere ike ime ka ịgbado ọkụ oyi, dị oke nwayọọ, nwere ike iduga ọkụ.

2) kwalite ahịrị na-achọpụta tube na-achọpụta ngwa ngwa na Jinzhou, iji hụ na ọ dị mma nke ọkpọkọ ERW, nchọta flaw multi-channel na teknụzụ ọkpọkọ.Mpempe mwepu n'akụkụ abụọ nke nnwale ultrasonic, nyocha eddy ugbu a ka emechara ịgbado ọkụ.Na mgbakwunye, ọnụ ọgụgụ nke nlele anya, na nlele maka ule flattening na nyocha akụrụngwa ndị ọzọ.