Spiral weld seam yana da nau'ikan iri da yawa:

1. Karfe tsiri karshen walda: karfe shugaban cewa karkace walda a kan karfe ko karfe weld kai da wutsiya;
2. Biyu karkace butt weld: karkace yanke shi ne a haɗa su biyu tare don samar da wani shekara-shekara weld;
3. Karkace tack waldi: da ake shafa kafin karshe waldi.Don ƙayyadadden gefuna weld.

Parametric bincike na waldi kabu
⑴ faɗin walda yana nufin mahaɗin saman walda da ƙarfen tushe da ake kira yatsan walda.Sashin walda mai-wuta ɗaya, nisa tsakanin su biyun ana kiran shi da faɗin kabu weld yatsa.

⑵ bayan farfajiyar ƙarfafawar walda yana nufin haɗin gwiwa a tsayin ɓangaren yatsan weld na ƙarfe na walda ana kiransa ƙarfafawa.Na yi giciye-sashe na weld kabu na babban karuwa a dauke iya aiki ne ya karu, kuma zai iya ƙara ji na ƙwarai da ray radiyo, amma shi zai sa walda yatsa danniya taro.Yawancin lokaci yana buƙatar fiye da babba kada ya zama ƙasa da kayan tushe, ƙara yawan kauri da haɓaka tsayin kayan uwar, amma matsakaicin kada ya wuce 3mm.

⑶ shiga giciye-sashe na welded hadin gwiwa, tushe abu ake kira zurfin shigar azzakari cikin farji daga cikin narkakkar.Tabbataccen ƙima don tabbatar da cewa haɗakar waldar shigar ciki da ƙarfin tushe na ƙarfe.Lokacin da kayan ƙarfe na filler (sanda ko waya) ya kasance akai-akai, zurfin shigar ciki yana ƙayyade girman ƙera sinadarai matsananci.Daban-daban walda hanyoyin bukatar daban-daban shigar azzakari cikin farji darajar, misali waldi, surfacing Layer domin kula da taurin da kuma rage dilution na tushe karfe na weld, a cikin jigo na tabbatar da shigar azzakari cikin farji ya kamata bukatar wani karami zurfin shigar azzakari cikin farji.