Bututun ƙarfe da aka sarrafa a yau, kayan SCH40 SMLS 5.8M API 5LA106 Darasi na B, wani abokin ciniki zai duba shi nan ba da jimawa ba. Menene fannoni na wannan duba bututun ƙarfe mara matsala?
Don bututun ƙarfe marasa sumul (SMLS) da aka yi da API 5LA106 Darasi na B, mai tsawon mita 5.8, kuma wani ɓangare na uku zai duba shi, yawanci ana buƙatar waɗannan duban:

1. Duba kamanni
Lalacewar saman: Duba ko akwai tsagewa, ƙuraje, kumfa, barewa da sauran lahani a saman bututun ƙarfe.
Ingancin saman ƙarshe: Ko ƙarshen bututun ƙarfe biyu ba su da faɗi, ko akwai burrs, da kuma ko tashar ta dace da ƙa'idar.
2. Duba girma
Kauri a bango: Yi amfani da ma'aunin kauri don gano kauri a bango na bututun ƙarfe don tabbatar da cewa ya cika ƙa'idodin kauri a bango na SCH40 da ƙa'idar ta buƙata.
Diamita na waje: Yi amfani da ma'aunin ƙarfe ko wani kayan aiki mai dacewa don auna diamita na waje na bututun ƙarfe don tabbatar da cewa ya cika ƙa'idodin ƙira.
Tsawon Lokaci: Duba ko ainihin tsawon bututun ƙarfe ya cika ƙa'idar da aka saba buƙata ta mita 5.8.
Ovality: Duba karkacewar zagaye na bututun ƙarfe don tabbatar da cewa ya cika ƙa'idar.
3. Gwajin kadarorin injina
Gwajin Tensile: Duba ƙarfin tensile da ƙarfin samar da bututun ƙarfe don tabbatar da cewa ya cika buƙatunA106 Darasi na B.
Gwajin Tasiri: Ana iya yin gwajin tauri kamar yadda ake buƙata (musamman idan aka yi amfani da shi a yanayin zafi mai ƙarancin zafi).
Gwajin Tauri: Ana yin gwajin tauri ta saman ta hanyar mai gwajin tauri don tabbatar da cewa tauri ya cika buƙatun.
4. Binciken sinadaran da aka haɗa
Ana gudanar da nazarin sinadaran bututun ƙarfe don duba ko abun da ke ciki ya cika buƙatunAPI 5Lda kuma A106 Grade B, kamar abubuwan da ke cikin carbon, manganese, phosphorus, sulfur da sauran abubuwa.
5. Gwaji mara lalatawa (NDT)
Gwajin Ultrasonic (UT): Duba ko akwai tsagewa, abubuwan da aka haɗa da sauran lahani a cikin bututun ƙarfe.
Gwajin ƙwayoyin maganadisu (MT): Ana amfani da shi don gano tsagewar saman ko kusa da saman da sauran lahani.
Gwajin Radiyo (RT): Dangane da takamaiman buƙatu, ana iya yin gwajin radiyo don duba lahani na ciki.
Gwajin halin yanzu na Eddy (ET): Gano lahani a saman ƙasa ba tare da lalata shi ba, musamman ƙananan fasa da ramuka.
6. Gwajin na'ura mai aiki da karfin ruwa
Gwada bututun ƙarfe don gwada ƙarfin ɗaukar matsi da rufewa don tabbatar da ko akwai ɓuɓɓuga ko lahani a cikin tsarinsa.
7. Alamar da kuma takardar shaida
Duba ko alamar bututun ƙarfe a bayyane take kuma daidai (gami da ƙayyadaddun bayanai, kayan aiki, ƙa'idodi, da sauransu).
Duba ko takardar shaidar kayan aiki da rahoton dubawa sun cika don tabbatar da cewa takardun sun yi daidai da ainihin samfurin.
8. Gwajin lanƙwasawa/faɗi
Bututun ƙarfen yana iya buƙatar a lanƙwasa shi ko a daidaita shi domin a duba ƙarfinsa da kuma juriyarsa ga nakasa.
Hukumar dubawa ta ɓangare na uku da abokin ciniki ya aiko za ta gudanar da bincike bazuwar ko cikakken bincike kan abubuwan da ke sama don tabbatar da cewa bututun ƙarfe mara shinge ya cika buƙatun kwangila da ƙa'idodi.