Nov 20, 2024 Tso lus

Yuav ua li cas kom ntseeg tau qhov vuam zoo ntawm API 5L X52M welded yeeb nkab?

Cov kev ntsuas tseem ceeb los xyuas kom meej qhov vuam zoo ntawm L360 welded yeeb nkab suav nrog cov hauv qab no:

Kev tswj kom zoo ua ntej welding:

Raw khoom zoo: xyuas kom meej tias cov hlau thiab cov khoom siv vuam siv tau raug tshuaj xyuas nruj thiab ua tau raws li cov qauv zoo, thiab tshem tawm kev siv cov khoom tsis tsim nyog.
Kev tswj cov khoom siv vuam: Txheeb xyuas qhov chaw cia thiab ci ntawm cov khoom siv vuam kom ntseeg tau tias qhov chaw ntawm cov khoom siv vuam yog huv thiab tsis muaj xeb, thiab cov txheej txheem electrode tsis zoo.
Vuam thaj chaw tu: ntxuav cov av hauv qhov chaw vuam, xws li dej, roj, xeb thiab oxide zaj duab xis, txhawm rau tiv thaiv qhov tshwm sim ntawm qhov tsis xws luag hauv qhov vuam.
Kev tswj kom zoo thaum vuam:

Cov txheej txheem vuam txheej txheem: Tshuaj xyuas cov kev qhia tshwj xeeb ntawm vuam hlau thiab flux los tiv thaiv kev sib tsoo zoo los ntawm kev siv tsis raug.
Vuam ib puag ncig: Saib xyuas qhov chaw vuam kom ntseeg tau tias qhov kub thiab txias tsis qis dua 0 degree thiab qhov txheeb ze av noo tsis ntau tshaj 90%, thiab ua raws li kev ntsuas thaum tsim nyog.
Groove loj soj ntsuam: xyuas seb qhov sib txawv, blunt ntug, lub kaum sab xis thiab misalignment ntawm zawj raws li cov txheej txheem. Welding parameter tswj: xyuas kom meej tias qhov tsis xws li vuam tam sim no, qhov hluav taws xob thiab qhov nrawm yog qhov tseeb kom tsis txhob muaj qhov tsis xws luag xws li qhov pores los ntawm qhov tsis raug.
Kev tswj kom zoo tom qab vuam:

Kev kuaj tsis muaj kev puas tsuaj: Cov welds raug tshuaj xyuas los ntawm ultrasonic thiab X-ray kom ntseeg tau tias tsis muaj qhov tsis xws luag 13.
Kho thiab rov kuaj dua: Kho qhov tsis xws luag uas pom thiab rov ua qhov kev sim uas tsis muaj kev puas tsuaj kom txog rau thaum cov teeb meem raug lees paub kom tshem tawm.

Kev tshuaj xyuas cov khoom tiav: Cov khoom tiav ntawm cov kav hlau welded yuav tsum tau kuaj xyuas tag nrho, suav nrog kev tshuaj xyuas vuam, kev tshuaj xyuas qhov ntev, kev tshuaj xyuas cov khoom siv, thiab lwm yam. Hauv kev tshuaj xyuas cov khoom tiav, kev sib xyaw ua ke ntawm kev kuaj tsis muaj kev puas tsuaj thiab kev puas tsuaj feem ntau yog siv los xyuas kom meej. khoom zoo.

Nondestructive testing of welds

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