... Shape: Solid extrusion Dimension tolerance: High precision Horizon Aluminum boasts its own extrusion die design and cutting capability. ... tubes over 16” up to 24”. We supply aluminum extrusions in most aluminum alloys and tempers: 2024, 3003, 5083, 5A06, 5456 ... , 6060, 6005, 6101, 6061, 6063, 6082, 7005 and 7075.Queen LeeQingdao Horizon Aluminum ...