The tsarin karfe bututu yana da zafi - yi birgima sumul karfe tube da welded karfe tube.The sumul karfe tube ga tsarin ya kasu kashi biyu iri bisa ga tanadi na "sumul karfe tube ga tsarin" (GB / t8162-2008) : zafi mirgina ( extrusion, fadada) da kuma zane mai sanyi (mirgina) .The m diamita na zafi-birgima karfe bututu ne 32-630mm da bango kauri ne 2.5-75mm.A waje diamita na sanyi-ja karfe bututu ne 5-200mm da bango kauri ne 2.5-12mm.Welded karfe bututu da aka yi da karfe farantin karfe ko karfe tsiri bayan crimping da forming, wanda za a iya raba madaidaiciya welded karfe bututu da karkace welded karfe bututu.The m diamita da kauri bango na kai tsaye-welded karfe bututu ne 5-508mm da 0.5. -12.7mm bi da bi, wanda zai bi da tanadi na GB/t3793-2008. The welded karfe bututu for low-matsi ruwa sufuri kuma ake kira na kowa welded bututu, wanda aka fi sani da Clark bututu.An bayyana ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙima suke ke bayarwa, wanda yakamata ya bi tanadin GB/t3091-2008 don jigilar ruwa mai ƙarancin ƙarfi.

Tsarin Masana'antu