China Aluminum Tube factory Grade: 1000 series Shape: round Surface treatment: anodized Length: 0 mm to 6000 mm Usage: industry Hardness: Hard Alloy or not: non-alloy Temper: T3-T8 Aluminium (min): 98.8% Wall thickness: 0.8 MM to 40 MM Model: Pipe Material: aluminum Surface treatment: clean Quality: Guaranteed Type: OEM Aluminum extruded profiles Color: clean Application: website:http://www.wanstaraluminumgroup.com/aluminum-tube/