We need aluminum casting parts for rafts as per attached pitures,which connect the two tubes.the detailed information is as following:
SIze for the aluminum extrusion tube:OD41.28mm,the aluminum castings should be assembled with the tubes very well
Aluminum Alloy 535
Most corrosive resistant aluminum alloy available
High strength as cast
Bright attractive finish
Conforms to ASTM B26 & B179