... Length: 4Meter We Factory manufacture: Aluminum Seamless Pipe,Aluminium Seamless Tube Aluminum alloy : 7075,6061,5056Temper: T6,T5,T9 ,F,Seamless ... ski-sticking,Boating, ,Flag, Yield Strength: >47 Kg/mm²Elongation: >9 %Hardness: >80 HRBChemical composition:Alloy 7075Si Fe Cu Mn Mg ... .15 Rem Alloy 7075/ 6061 Aluminum Seamless Pipe,Aluminium Seamless Tube