Qhov sib txawv ntawm Steel Structure Weld Quality Grade thiab Ultrasonic Testing (UT) Inspection Grade
Aug 14, 2026
Qhov sib txawv ntawm Steel Structure Weld Quality Grade thiab Ultrasonic Testing (UT) Inspection Grade
Nyob rau hauv steel qauv fabrication, choj engineering, thiab industrial steel thav duab tsim, weld zoo grading thiab ultrasonic xeem (UT) grading yog ob tug tseem ceeb kev qhia rau weld txais. Ob qhov kev muab qhab nia no zoo sib xws hauv daim ntawv thov engineering tab sis qhov tseem ceeb sib txawv hauv cov ntsiab lus, tus qauv hauv paus, kev faib cov logic thiab cov hom phiaj tswj. Tsis meej pem cov qib zoo weld nrog UT qib tshuaj ntsuam xyuas feem ntau ua rau kev xaiv cov txheej txheem xeem tsis raug, kev tshuaj ntsuam xyuas tsis tsim nyog thiab tsis yog- cov txiaj ntsig tau txais. Kab lus no qhia meej txog qhov sib txawv tseem ceeb, kev sib raug zoo, cov qauv kev qhia tshwj xeeb thiab ntawm - qhov chaw thov cov qauv ntawm ob qhov kev muab qhab nia, muab cov txheej txheem txheej txheem rau kev tshuaj xyuas steel weld zoo thiab kev lees txais engineering.
1. Cov ntsiab lus txhais thiab tus qauv tsim
1.1 Steel Weld Zoo Qib
Weld zoo qib yog qhovzuag qhia tag nrho kev tsim nyog tus qauv ntawm welded pob qij txha, tsom mus rau kev tswj hwm ntawm txhua qhov macroscopic thiab microscopic imperfections ntawm welds thoob plaws hauv cov txheej txheem vuam. Nws txhais tau cov hom kev tso cai, qhov ntau thiab tsawg, qhov ntau thiab qhov kev txwv ntawm txhua qhov kev sib txuas, nrog rau qhov tsis xws luag thiab sab hauv, thiab sawv cev rau tag nrho cov qib zoo thiab kev pabcuam kev ua haujlwm ntawm cov pob qij txha welded.
Qib zoo yog tsim raws li cov yam ntxwv ntawm kev ntxhov siab, hom kev thauj khoom thiab ib puag ncig kev pabcuam. Nws faib cov welds rau hauv cov qib zoo sib txawv kom paub qhov txawv ntawm kev ruaj ntseg redundancy thiab qaug zog tsis kam yuav tsum tau ntawm cov txheej txheem tseem ceeb thiab theem nrab welds. Cov qauv tseem ceeb suav nrog ISO 5817 thiab cov qauv hlau hauv tsev vuam tshwj xeeb, uas faib cov welds rau Qib B, Qib C thiab Qib D sib raug rau cov kev xav tau siab, nruab nrab thiab zoo tib yam.
1.2 UT Kev Tshawb Fawb Qib rau Welds
UT qib tshuaj ntsuam xyuas yog atechnical grading ntawm ultrasonic nrhiav kom tau muaj peev xwm thiab txais tau pib, tsom mus rau kev ua qauv rau ntawm - qhov chaw tsis yog - txheej txheem kuaj kev puas tsuaj, tshawb pom qhov tseeb thiab cov qauv txiav txim tsis raug. Nws qhia meej txog cov khoom siv ntsuas, hom kev tshuaj ntsuam xyuas, kev kuaj xyuas qhov ntsuas, ntsuas qhov ntsuas qhov ntsuas qhov ntsuas qhov ntsuas qhov ntsuas qhov ntsuas thiab cov cai ntsuas qhov ntsuas tsis raug, suav nrog qeb ntawm kev tshawb nrhiav txoj kev qhia tshwj xeeb tsis yog kev ntsuas qhov zoo.
Cov txheej txheem tsim nyog xws li ISO 17640, ISO 11666 thiab GB / T 11345 txhais cov qib UT thiab qib kev lees paub. Qib UT txiav txim siab qhov tseeb ntawm kev kuaj pom qhov tsis xws luag thiab qhov txwv siab tshaj ntawm kev tso cai tsis raug, uas yog lub hauv paus kev tshaj lij rau kev txheeb xyuas seb qhov vuam zoo puas ua tau raws li qib tsim qauv.
2. Qhov tseem ceeb sib txawv ntawm ob txoj kev muab qhab nia
2.1 Cov khoom ntsuas sib txawv
Weld Qib Qib: Lub hom phiaj ntawm kev sib koom ua ke welded nws tus kheej, npog tag nrho - ntau yam kev soj ntsuam zoo nrog rau qhov zoo li vuam, tsim kom zoo, qhov tsis xws luag, sab hauv thiab tag nrho cov qauv txuas ntxiv. Nws yog ib qho kev ntsuam xyuas ntawm qhov kawg vuam zoo.
UT Kev Tshawb Fawb Qib: Lub hom phiaj ntawm cov txheej txheem kuaj ultrasonic thiab cov txheej txheem tsis raug txiav txim, tsuas yog tsom mus rau sab hauv volumetric thiab cov qauv tsis xws luag pom tau los ntawm ultrasonic tsis, tsis suav nrog qhov tsis xws luag xws li undercut, nto porosity thiab weld reinforcement deviation.
2.2 Lub hom phiaj tswj sib txawv
Weld Qib Qib: Ua haujlwm rau kev tsim qauv kev nyab xeeb thiab kev ua haujlwm ntev -. Nws cais qhov tseem ceeb ntawm qhov vuam, txwv qhov tsis xws luag, thiab tswj kev qaug zog, kev muaj peev xwm thiab kev ruaj ntseg ntawm cov pob qij txha nyob rau hauv cov khoom zoo li qub thiab dynamic loads.
UT Kev Tshawb Fawb Qib: Ua haujlwm rau kev tsim kho NDT tus qauv. Nws koom ua ke kev sim siab, ntsuas ntau yam thiab cov qauv ntsuas tsis raug txhawm rau txhawm rau ua kom raug, sib xws thiab rov ua dua ntawm -cov ntaub ntawv tshuaj xyuas qhov chaw, zam kev tsis pom thiab kev txiav txim tsis raug los ntawm cov txheej txheem kuaj tsis raug.
2.3 Qhov sib txawv ntawm qhov ntsuas qhov ntsuas
Weld Qib Qib: Qib los ntawm qhov siab mus rau qis raws li cov qauv kev ruaj ntseg redundancy. Cov qib siab dua muaj qhov ua tau zoo dua qub, qhov me me tso cai tsis haum thiab tsawg dua qhov tso cai tsis xws luag, muaj feem xyuam rau cov khoom tseem ceeb - bearing thiab qaug zog - rhiab welds.
UT Kev Tshawb Fawb Qib: Qib raws li kev kuaj pom tseeb thiab kev lees paub nruj. Cov qib UT siab dua sawv cev rau qhov kev sim siab dua, kev txheeb xyuas qhov muaj peev xwm zoo dua thiab qhov kev lees txais nruj dua, uas tuaj yeem ua tau raws li qhov yuav tsum tau muaj ntawm cov khoom zoo ntawm -welds zoo.
2.4 Cov theem thov sib txawv
Weld Qib Qib: Txiav txim siab nyob rau hauv theem tsim, qhia meej hauv kev tsim cov duab kos, thiab khiav los ntawm tag nrho cov txheej txheem ntawm kev siv vuam thiab kev lees txais zaum kawg.
UT Kev Tshawb Fawb Qib: Kev txiav txim siab raws li cov qauv weld zoo qib ua ntej NDT kev tsim kho, tsim raws li nyob rau hauv - qhov chaw sim ntsuas tus qauv, thiab tsuas yog siv rau hauv kev tshuaj xyuas thiab tshuaj xyuas theem.
3. Txuj kev sib raug zoo hauv Engineering
Muaj ib qho yuav tsum tau ua -rau- txoj hauv kev sib piv ntawm qib weld zoo thiab UT qib tshuaj ntsuam xyuas hauv cov qauv steel qauv engineering. UT qib tshuaj ntsuam xyuas yuav tsum siab dua lossis nruj me ntsis nrog cov qib zoo sib xws los xyuas kom meej tias qhov kev kuaj xyuas qhov tseeb tuaj yeem npog cov kev cai tswj xyuas qhov siab ntawm - qauv welds.
High-Qib Weld (Qib B): Sib tw qhov siab tshaj plaws - theem UT tshuaj ntsuam xyuas cov txheej txheem nrog siab rhiab heev thiab kev soj ntsuam tag nrho, siv cov txheej txheem lees paub nruj. Nws muaj feem xyuam rau cov thawj load-cov kabmob welds ntawm steel choj, siab - nce steel qauv thiab dynamic load Cheebtsam, txwv tsis pub muaj teeb meem kev puas tsuaj xws li cov kab nrib pleb thiab tsis tiav fusion.
Nruab nrab-Qib Weld (Qib C): Sib phim cov qauv UT tshuaj ntsuam xyuas qib nrog rau kev ua siab ntev me ntsis. Nws muaj feem xyuam rau cov qauv txheej txheem welds, tswj loj - qhov loj me ntawm qhov tsis xws luag thiab tso cai rau qee qhov me me tsis zoo nyob rau hauv tus qauv ntau yam.
Ordinary-Zoo Weld (Qib D): Sib phim qib UT kev tshuaj ntsuam xyuas yooj yim nrog cov qauv kev lees paub zoo heev. Nws yog muaj feem xyuam rau cov txheej txheem welds nyob rau hauv static load, uas tsis tshua muaj yuav tsum tau rau qaug zog kev ua tau zoo thiab sab hauv tsis xws luag.
4. Feem ntau ntawm -Qhov Kev Txiav Txim Siab thiab Kev Kho Cov Cai
Kev txiav txim siab tsis raug 1: Sib npaug UT cov txiaj ntsig tau txais txiaj ntsig nrog cov txiaj ntsig zoo ntawm cov khoom siv
Kev tshuaj xyuas UT tsuas yog txheeb xyuas qhov zoo ntawm cov vuam zoo thiab tsis tuaj yeem txiav txim siab qhov tsis xws luag thiab ua kom zoo. Txawm hais tias UT kuaj pom tau tsim nyog, welds uas tsis tsim nyog cov tsos mob tseem ua tsis tau raws li cov kev xav tau ntawm qib zoo.
Kev txiav txim tsis raug 2: Txais kev sib koom ua ke UT qib tshuaj ntsuam xyuas rau txhua qhov welds
Qhov muag tsis pom kev ua haujlwm siab -Kev ntsuas UT qhov tseeb rau txhua qhov vuam ua rau raug nqi pov tseg, thaum siv qis-qib UT kuaj pom rau siab- zoo tsim welds ua rau tsis txaus nrhiav qhov tseeb thiab qhov pheej hmoo zais zais.
Kev txiav txim tsis raug 3: Tsis meej pem qhov kev xeem nrog qib kev lees paub
UT qib ntsuas ntsuas qhov kev paub txog kev muaj peev xwm, thaum qhov kev lees paub txhais tau hais tias qhov kev lees paub tsis raug. Ob leeg yuav tsum tau ua kom sib npaug; siab -kev ntsuas qhov tseeb nrog qis- qhov kev lees paub tsis tuaj yeem ua tau raws li cov qauv tsim thiab cov lus qhia tshwj xeeb.
5. Daim ntawv thov Engineering Summary
Weld zoo qib yog qhovtsim lub hauv paus thiab lub hom phiaj kev lees txais zaum kawgntawm steel welding engineering, xav txog qhov kev ua tau zoo thiab kev nyab xeeb ntawm cov pob qij txha. UT qib tshuaj ntsuam xyuas yog qhovtechnical txhais tau tias thiab nrhiav kom tau lavrau kev ua pov thawj zoo, standardizing tag nrho cov txheej txheem ntawm ultrasonic tsis -kev kuaj kev puas tsuaj.
Hauv kev tsim kho steel thiab kev tswj xyuas kev tswj xyuas, cov neeg ua haujlwm yuav tsum qhia meej txog qhov kev sib raug zoo ntawm cov qauv tsim qauv thiab qib kuaj pom, xaiv cov phiaj xwm kev tshuaj xyuas UT rau qib sib txawv ntawm cov welds, thiab sib txuas cov kev tshuaj ntsuam xyuas thiab cov txiaj ntsig sab hauv kom ua tiav cov kev ntsuam xyuas zoo. Standardized qib sib piv thiab raug kev txiav txim siab zoo tshem tawm cov vuam zoo thaum muaj kev phom sij thiab ua kom muaj kev nyab xeeb ntawm cov qauv, ua haujlwm ntev thiab qaug zog ntawm cov qauv steel.
