Farashin ERWbukatun fasaha

ERW bututu walda kwane-kwane siffar

Dangane da ka'idodin API SPEC 5L, yawancin masana'antar samarwa a cikin gida yayin gwajin gwaji na bututun SAW, yawanci suna riƙe ƙarfafa weld, gwajin tensile kai tsaye daga yanayin gwajin da wuya ya karye.Babban dalilin ana iya danganta shi da kasancewar ƙarfafawar weld.SAW bututu, ya ce fiye da tsayi ko ƙarfafa babba, a cikin maƙasudin ƙara kauri na yanki na weld, da haɓaka ƙarfin tsarin walda, ƙarfin yankin walda (ƙarfin tsarin gaba ɗaya) fiye da ƙarfin tushe. karfe sassa.

Reference SAW bututu waldi Ƙarfafa fa'ida rawa a cikin ERW bututu waldi Weld yayi niyyar matse lokacin farin ciki, a cikin kusanci da walda don samar da kauri mafi girma fiye da kauri daga cikin tushe abu, mika zuwa reinforcing Layer weld zafi-shafi yankin, sa'an nan a cikin da waldi burr samuwar gaba daya evenness, forming wavy santsi mika mulki yankin don inganta tsarin ƙarfi na weld yankin tsakanin tushe karfe da karfe welds.A halin yanzu, tun da kauri na bututu welds suna da mafi girma juriya, ko da scraping tsarin rashin zaman lafiya saboda ciki glitch, haifar da wani mataki na karce tsagi welds, shi ba zai haifar da wani tsanani rage weld ƙarfi.Bugu da kari, da weld da tushe karfe santsi mika mulki, ultrasonic gwaji na weld ba ya haifar da ƙarya tabbatacce kudi karuwa.

Scrape ciki welds sosai santsi burr, weld da tushe karfe canji sosai santsi.Yawancin kauri daga bangon bututun ƙarfe shine 11.9mm, kauri kewayon extrusion welds yawanci kewayo daga kusan 25mm zuwa kowane gefen kowane weld, sashin weld bayan cire burr fiye da sauran sassan tushe kayan kauri na kusan 10%.Karamin kauri daga cikin bututu, matsi lokacin farin ciki na iya raguwa, amma rabon weld thicker sassa na janar iko 10% na tushe kauri.