Aluminum Cylinder: Standard: BS/84/526/ECC Capacity: 1L--100liters Pressure: ... : T PED, TUV,DOT The Seamless Aluminum Alloy Gas Cylinder was applied in the industry of chemical, electronic, medical, ... food and beveragem,etcThe Seamless Aluminum Alloy Gas Cylinder is made of superior quality aluminum alloy 6061 and manufactured ... fields, which is the ideal substitute for the steel cylinder.