L T Z TUBE, STEEL TUBE 1.MATERIAL GRADE Q195 2.SIZE RANGE:8-127MM 3.SHAPE:SUQARE RECTANGULAR ROUND 4.COLOR BRIGHT OR BLACK L T Z STEEL TUBE CONSTRUCTION TUBEspecificationRound steel pipeØ8mm--Ø127mmSquare steel pipe10*10--100*100mmRectangular steel pipe10*20--50*100mmLTZ windows pipeLTZ28*28,LTZ34*34,LTZ38*38,Galvanized pipe1/2"--6"Black pipe, Bright pipe, galvanized pipematerialQ195 Q235Length3M ...