1) ịlele geometry nke igwe anaghị agba nchara

Dayameta ọkpọkọ nchara na-enweghị nkebi, ọkpụrụkpụ mgbidi na curvature, ogologo na tebụl nyocha nke nwere caliper, micrometer, na gbadaa n'ụkwụ, ogologo teepu ga-elele.

Dayameta dị n'èzí, ọkpụrụkpụ na ogologo mgbidi nwekwara ike iji ngwaọrụ nha akpaka (dị ka dayameta akpaka, ọkpụrụkpụ, ngwaọrụ nledo ogologo) n'ule na-aga n'ihu.Mkpesa na 1980 nke narị afọ nke 20 mmepụta nke enweghị nkebi ígwè anwụrụ mmepụta osisi bụ n'ozuzu online akpaka dayameta, ọkpụrụkpụ nha ngwaọrụ, na finishing ebe, ogologo na-atụ akụrụngwa.Ọ dịkwa mkpa ka enyocha paramita eriri ọkpọ ọkpọ OCTG enweghị nkebi.

(2) tubes ígwè enweghị nkebi, nyocha elu elu

A na-ejikarị nlele anya n'ime na n'èzí eme ihe, n'elu na mgbakwunye na nlele anya, Prism na-egbuke egbuke dịkwa maka nyocha.Ụfọdụ tube nchara na-enweghị ihe ọ bụla pụrụ iche, nke a na-akpọkwa maka nnabata nke nnwale na-adịghị emebi emebi, gụnyere Eddy current, magnetik flux leakage, ultrasonic, magnetik urughuru na nchara n'elu àgwà nke n'ime na mpụga ndenye ego.

(3) nlele akụrụngwa na teknụzụ

Iji nyochaa n'ibu Njirimara nke enweghị nkebi ígwè ọkpọkọ izute ọkọlọtọ chọrọ, mkpa n'ibu ihe onwunwe ule nke enweghị nkebi ígwè tube sampling.

Nnwale ihe eji arụ ọrụ na-agụnye ike ike, ike mkpụrụ, elongation, mmetụta, wdg. Nnwale ọkụ maka ule arụmọrụ gụnyere, ule ọkụ ọkụ, ule hydrostatic, crimping test, na-ehulata ule, perforation ule.Ihe nnwale ndị a dabere na njirisi dị iche iche dị iche iche yana ojiji na nhọrọ enweghị nkebi.

(4) Nnwale na-adịghị emebi emebi

NDT na-ezo aka na ikpe ahụ na-emebighị enweghị nkebi, na-eduzi nyocha nke ime ha na n'elu.Ka ọ dị ugbu a, nnwale ndọta ndọta, ultrasonic, Eddy current na nyocha ihe ndọta fluorescent, ejirilarị ya na tubes nchara enweghị nkebi ejiri na ụlọ ọrụ ahụ.Usoro nnwale na-adịghị emebi emebi etolitela nke ukwuu n'afọ ndị na-adịbeghị anya, hologram pụtara n'oge na-adịbeghị anya, nyocha nke ultrasonic ugboro dị iche iche nke nnwale ikuku ikuku, nnwale onyonyo ultrasonic, yana nnwale ultrasonic dị elu yana teknụzụ ọhụrụ ndị ọzọ.