ERW bụ ọkụ eletrik na-eguzogide welded ígwè ọkpọkọ, Nguzogide welded ígwè ọkpọkọ na-ekewa n'ime mgbanwe nke welded ígwè ọkpọkọ na DC welded ígwè ọkpọkọ n'ụdị abụọ.

A na-ekewa AC ịgbado ọkụ dị ka dị iche iche frequencies na obere-ugboro ịgbado ọkụ, Ọ BỤRỤ na ịgbado ọkụ, ịgbado ọkụ nke ultra-IF na elu-ugboro ịgbado ọkụ. A na-ejikarị ịgbado ọkụ dị elu maka imepụta ọkpọkọ ígwè dị mkpa ma ọ bụ ọkpọkọ nchara mgbidi, ịgbado ọkụ ugboro ugboro n'ime ịgbado ọkụ kọntaktị na ịgbado ọkụ induction. A na-ejikarị ịgbado ọkụ DC eme ihe maka ọkpọkọ ígwè dị obere dayameta. Ya mere, n'ihe gbasara ikpo ọkụ, nke dị elu nke na-ejikọta ya na ọkpọkọ ERW bụ usoro ịgbado ọkụ dị elu iji mepụta ọkpọkọ ERW. ERW Longitudinal elu ngwaahịa arụmọrụ na ubi nke mmanụ na gas nchekwa na njem, àgwà ndu, ọzọ echekwa ígwè anwụrụ.

SAW ígwè ọkpọkọ bụ mkpụmkpụ nke Submerged Arc Welding Steel Pipe, nke ọ bụ ojiji nke submerged arc soldering usoro rụpụta ígwè, usoro na-arụpụta a dị nnọọ elu ugbu njupụta, na flux oyi akwa iji gbochie ngwa ngwa ọnwụ nke okpomọkụ, na lekwasị na mpaghara ịgbado ọkụ. Submerged arc weld nke elu mma, elu mmepụta arụmọrụ, arc na anwụrụ ọkụ a ole na ole e ji mara submerged arc welded ọkpọkọ na ọtụtụ-eji na nrụgide arịa, ọkpọkọ n'ichepụta, ibé, ala mgbali mmiri mmiri, ígwè na-arụ ọrụ. Isi ngwaahịa nke SAW ígwè ọkpọkọ LSAW Steel Pipe, Longitudinally Submerged Arc Welding Steel Pipe LSAW ígwè ọkpọkọ, ọ bụ ojiji nke submerged arc ịgbado ọkụ mmepụta nke ogologo onuete ígwè ọkpọkọ.

Ọdịiche dị n'etitierwnahụrụígwè ọkpọkọ

Dị ka ERW ígwè ọkpọkọ na SAW ígwè ọkpọkọ na ọkpọkọ n'oge akpụ, ịgbado ọkụ na usoro dị iche iche, nke mere na ụdị abụọ nke ígwè ọkpọkọ na arụmọrụ e nwere ụfọdụ iche.

(1) ERW ígwè ọkpọkọ elu àgwà dị elu ka spiral submerged arc welded ọkpọkọ, ERW ígwè anwụrụ elu bụ ezigbo, ezigbo, mara mma, SAW ígwè ọkpọkọ esịtidem na mpụga weld mkwado.

(2) ERW ígwè ọkpọkọ weld ntụpọ ụdị bụ ihe na-erughị saw ígwè ọkpọkọ. Hụrụ ọkpọkọ ígwè na ihe mgbaze echekwabara, ụdị ntụpọ ndị ọzọ, na mgbakwunye na ntụpọ olu, enwere ọnyà eriri waya. ERW ígwè ọkpọkọ weld ntụpọ naanị waya-akara na ogologo welds, usoro nyocha dị mfe ịgbaso, na ntụpọ na ntụgharị uche kachasị na, ozugbo enweghi ihe doro anya, ultrasonic na-egosipụta ike, dị mfe ịchọpụta.

(3) ERW ígwè ọkpọkọ metụtara hụrụ ígwè ọkpọkọ na fọdụrụ nchegbu ruru bụ ala. Ebe ọ bụ na nrụrụ ọkpọkọ ERW na usoro nrụrụ nke ọma, jikọtara ọnụ na-esote sizing flat oval, elliptical vetikal mgbanwe na necking, na-eme ka ERW ọkpọkọ mwube nrụgide na-aghọ obere. Nnwale anụ ahụ gosiri na otu nkọwa, otu ihe ERW ọkpọkọ mgbe mbepụ n'akụkụ axis, na axial na transverse incisions nta nchụpụ karịa gburugburu submerged arc welded ọkpọkọ.

(4) ERW Pipe mkpokọta arụmọrụ nke otu, mgbe ọkpọkọ na-aghọ ntụpọ, ígwè scrap ikpe, ekwe ịgbado ọkụ. Hụrụ ọkpọkọ ígwè ekwe, na ịrụ ọrụ ịgbado ọkụ na ọkpọkọ na arụmọrụ n'ozuzu adịghị ekwekọ, ebe ịgbado ọkụ na-enwekarị nrụgide corrosion cracking. Nnwale gosiri na nchekasị corrosion ike ọgwụgwụ ule ERW pipe spiral submerged arc welded pipe ogologo karịa ndụ.