Ana amfani da bututun rectangular sosai
Common kayan welded murabba'in bututu ne: Q235A, Q235C, Q235B, 16Mn, 20#, Q345, L245, L290, X42, X46, X60, X80, 0Cr13, 1Cr17, 00cr19ni118, 18Cr, Ni, Ni, Ni, Ni, da dai sauransu
Welded bakin karfe bututu don ado (GB / T 18705-2002), bakin karfe welded bututu don ginin ado (JG / T 3030-1995), babban diamita welded karfe bututu ga low matsa lamba ruwa watsa (GB / T 3091-2001), da welded karfe bututu don zafi Exchanger (yb4103-2000).
GB / t6728-2002, GB / t6725-2002, gbt3094-2000, JG 178-2005, ASTM A500, JIS g3466, en10210 ko fasaha yarjejeniya.
GB/t3094-2000 (ƙasa misali) sanyi guga man bututu na musamman mai siffar rectangular
GB / t6728-2002 (ƙasa misali) sanyi kafa m sashe karfe ga tsarin
ASTM A500 (Standar Amurka) Carbon Karfe Cold-Formed Welded rectangular tubes da bututun rectangular mara sumul tare da sassan zagaye da na musamman don tsari
TS EN 10219-1-2006 (Ma'aunin Turai) sanyi kafa welded m tsarin sassa na mara gami da lafiya hatsi
JIS g 3466 (Jafan misali) bututu rectangular mai kusurwa don ginin gabaɗaya
An yadu amfani da inji masana'antu, yi masana'antu, metallurgical masana'antu, noma motocin, noma greenhouses, mota masana'antu, Railways, babbar hanya guardrails, ganga kwarangwal, furniture, ado da karfe tsarin.
Domin aikin injiniya yi, gilashin labule bango, kofa da taga ado, karfe tsarin, guardrail, inji masana'antu, mota masana'antu, iyali kayan masana'antu, shipbuilding, ganga masana'antu, wutar lantarki, aikin gona yi, noma greenhouse, bike frame, babur frame, shiryayye, kayan motsa jiki, kayan shakatawa da kayan yawon shakatawa, kayan aikin ƙarfe, ƙayyadaddun ƙayyadaddun kayan aikin mai, bututun mai da bututun mai, ruwa, iskar gas, iska, dumama da sauran jigilar ruwa, faɗa da gobara, masana'antar gini, da sauransu.
