1. Duban bayyanargwiwar hannu bututu kayan aiki: gabaɗaya, binciken ido tsirara shine babbar hanya. Ta hanyar duban bayyanar, yana iya samun lahani na kayan aikin bututun walda, kuma wani lokaci ana amfani da gilashin ƙara girman sau 5-20 don bincika. Kamar cizon baki, porosity, walda ciwace-ciwacen daji, fashewar ƙasa, haɗaɗɗen slag da shiga ciki, da dai sauransu. Hakanan ana iya auna girman girman walda ta hanyar mai gano walda ko samfurin.

2. Nodestructive dubawa na gwiwar hannu bututu kayan aiki: dubawa na slag, porosity, fasa da sauran lahani boye a cikin weld. Binciken X-ray shine amfani da X-ray don ɗaukar hotuna na kabu na walda, bisa ga mummunan ra'ayi don sanin ko akwai lahani na ciki, lamba da nau'in lahani. Yanzu mafi yawan amfani da shi shine zaɓi na duban X-ray, da kuma duban ultrasonic da duban maganadisu. Sannan bisa ga buƙatun ƙwarewar samfur don gano ko walda ɗin ya cancanta. A wannan lokacin, raƙuman ruwa masu haske suna bayyana akan allon. Dangane da kwatantawa da gano waɗannan raƙuman ruwa da aka nuna tare da raƙuman ruwa na al'ada, ana iya ƙayyade girman da wuri na lahani. Gano kuskuren Ultrasonic ya fi X-ray sauƙi, don haka ana amfani da shi sosai. Koyaya, binciken ultrasonic kawai za'a iya yanke hukunci ta hanyar ƙwarewar aiki, kuma ba zai iya barin tushen binciken ba. Ana aika katako na ultrasonic daga binciken zuwa cikin karfe, kuma idan ya isa wurin haɗin ƙarfe-iska, ya ja da baya ya wuce ta cikin walda. Idan akwai lahani a cikin walda, za a iya nuna katako na ultrasonic zuwa bincike kuma a ɗauka, saboda lahani na ciki na farfajiyar walda ba shi da zurfi kuma bayyanar ƙananan ƙananan ƙananan ƙananan ƙwayoyin cuta, ana iya amfani da gano kuskuren maganadisu.

3. The inji Properties na gwiwar hannu bututu gwajin: nondestructive gwaji iya samun muhimmi lahani na weld, amma ba zai iya bayyana inji Properties na karfe a cikin zafi shafi yankin na weld, don haka wani lokacin don yin tashin hankali, tasiri, lankwasawa da kuma sauran gwaje-gwaje a kan haɗin gwiwar welded. Kwamitin gwaji ne ke yin waɗannan gwaje-gwajen. Farantin gwajin da aka yi amfani da shi ya fi dacewa da welded tare da kabu mai tsayi na silinda don tabbatar da daidaiton yanayin gini. Sannan ana gwada kayan aikin injin farantin gwajin. A aikace, kawai kayan haɗin walda na sabon karfe ana gwada su ta wannan yanayin.

4. Gwajin gwaji na bututun gwiwar hannu da gwajin matsa lamba: don buƙatun buƙatun hatimin jirgin ruwa, gwajin matsa lamba na ruwa da (ko) gwajin matsa lamba, don bincika iyawar hatimi da matsa lamba na weld. Hanyar ita ce allurar sau 1.25-1.5 na ruwa mai aiki ko daidai da matsi na iskar gas (mafi yawa tare da iska) a cikin akwati, zauna na wani ɗan lokaci, sannan a bincika raguwar matsa lamba a cikin akwati, sannan a bincika ko akwai yoyo a waje, bisa ga waɗannan na iya gane ko walda ya cancanta.