Bi-Metal Self-Drilling Screw yana haɗu da ƙarfe biyu don samar da mafi kyawun aiki a cikin aji, daga ingantaccen haƙon kai zuwa shekaru da yawa na tsaro mara tsatsa.

Lalacewar lalacewa ta shafi duk ayyukan gine-gine don haka ya kamata a yi la'akari da lokacin zayyana kowane aiki. Sau da yawa ana lura da shi azaman "tsatsa", lalata shine ci gaba da lalacewar karafa ta hanyar tsarin iskar oxygen.

A aikace, lalacewa mai lalacewa yana haifar da bayyanar gini mara kyau, yana lalata mutuncin tsarin, kuma yana lalata gine-ginen ciki. Abin farin ciki, tsararrun aikin da ya dace na iya kawar da masu gine-gine, masu zanen kaya, da ƴan kwangilar waɗannan batutuwa masu yuwuwa.

Ba duk bakin karfe ne aka halicce shi daidai ba. Duk da yake duk suna ba da ɗan matakin juriya na lalata, babu wanda ya dace da kariyar jerin karafa 300. Wannan ya haɗa da jerin karafa 400 da suka shahara koyaushe; ko da yake ya dace da wasu aikace-aikace, yana da rauni ga Hydrogen Assisted Stress Corrosion Cracking (HASCC) kuma yana iya haifar da tsatsa mai cutarwa tare da tsayin daka ga abubuwa masu tsauri. Wannan yana lalata amincin haɗin dunƙule ta hanyar raunana

• Fitar da dabi'u
• Ƙarfin ƙarfi
• Ƙarfin ƙarfi
• Halittu

Don wannan dalili, DD Fasteners sun ƙera ƙwanƙwasa na ƙarshe na hako-ƙarfe bi-metal ɗin hakowa ta amfani da bakin karfe 304, mai juriya da isa ya tsaya tsayin daka zuwa nau'ikan haɗin ƙarfe iri-iri, gurɓataccen yanayi, da gurɓataccen yanayi ba tare da lalata amincin haɗin gwiwa ba.

Guji gazawar tushen lalata mai haɗari da tsada ta hanyar zabar madaidaicin abin ɗamara a karon farko.

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