Gabatarwa Sashe ne maras fa'ida wanda babu walda daga farko zuwa ƙarshe. Bututun isar da ruwa yana da sashe maras fa'ida kuma ana amfani dashi azaman bututu don isar da mai, iskar gas, iskar gas, ruwa da wasu ƙayyadaddun abubuwa masu yawa. An fi amfani dashi a aikin injiniya da manyan kayan aiki don jigilar bututun ruwa. Siga Item Ruwa bututu Standard ASTM, DIN, ISO, EN, JIS, GB, da dai sauransu Material DX51D, SGCC, G550, S550, S350, ECTS, 10# 35# 45# Q345B, 163Mn3,n2Mn3,n2,Q2Mn3,2Mn3,2Mn3,2Mn3,2Mn3,2Mn3,2Mn2,2Mn3,2Mn3,2Mn3,2Mn2,2Mn2,Q2Mn2,2Mn2,2Mn2,2Mn3,2Mn2,2Mn2,2Mn3,2Mn2,2Mn2,2Mn3,2Mn2,2Mn3,2Mn02 40Mn2...