Nchịkọta
A na-eji efere ígwè pipeline arụpụta nnukwu ọkpọkọ welded dayameta nke na-ebu mmanụ na gas okike, ahakwa ya dị ka efere ígwè ọkpọkọ. Ugbu a ọtụtụ ndị mmadụ n'ụwa na-elekwasị anya n'ichekwa gburugburu ebe obibi anyị, a na-eji gas ọhụrụ ike dị ọcha eme ihe site na pipeline. Efere ígwè pipeline ndị a nwere ikike iguzogide nrụgide dị elu, corrosion ikuku na gburugburu okpomọkụ dị ala. API X120 enyere n'aka anyị nwere akụrụngwa igwe dị elu karịa ọkwa mba ụwa.
All Steel akara ule nke Pipeline Steel efere
Ọkọlọtọ | Ọkwa ígwè |
API 5L PSL1 / PSL2 | Ọkwa A, Ọkwa B X42, X46, X52, X56, X60,X65, X70, X80, X100, X120 L245, L290, L320, L360, L390, L415, L450, L485, L555 |
Ngwongwo akụrụngwa nke efere ígwè pipeline
Ọkwa | Oke ntụpọ mkpụrụ nke ekwenyere | Mpụta Ike MPa(min) | Ike Tensile MPa | Mgbatị % (nkeji) | |
API 5L | EN 10208-2 | ||||
API 5L Gr. B | L 245NB | 0.85 | 240 | 370-490 | 24 |
API 5L X 42 | L 290NB | 0.85 | 290 | 420-540 | 23 |
API 5L X 52 | L 360NB | 0.85 | 360 | 510-630 | |
API 5L X 60 | L 415NB | ||||
API 5L Gr. B | L 245MB | 0.85 | 240 | 370-490 | 24 |
API 5L X 42 | L 290MB | 0.85 | 290 | 420-540 | 23 |
API 5L X 52 | L 360MB | 0.85 | 360 | 510-630 | |
API 5L X 60 | L 415MB | ||||
API 5L X 65 | L 450MB | 0.85 | 440 | 560-710 | |
API 5L X 70 | L 485MB | 0.85 | 480 | 600-750 | |
API 5L X 80 | L 555MB | ≤ 0.90 | 555 | 625-700 | 20 |
Nka na ụzụ chọrọ maka pipeline ígwè efere
● Nnwale ụkpụrụ isi ike
● Tutu ule ịdị arọ (DWTT)
● Nyocha Ultrasonic (UT)
● Nnwale emetụta ọnọdụ okpomọkụ dị ala
● API pipline ígwè ọkọlọtọ mpịakọta
Ọrụ ndị ọzọ
● Nyocha ngwaahịa.
● Usoro nyocha nke ndị ọzọ.
● Ngwọta ikpo ọkụ na-ekpo ọkụ na-ekpo ọkụ (PWHT).
● Obere okpomọkụ mmetụta ule dị ka kwa ahịa 'chọrọ.
● Enyere akwụkwọ nyocha ụlọ ahịa Orginal Mill n'okpuru EN 10204 FORMAT 3.1/3.2.
● Gbawara agbawa na eserese, Ịcha na ịgbado ọkụ dị ka onye ọrụ njedebe chọrọ.