Characteristic parameter table
Grades	Standards		Tensile strength σb (MPa)	Elongation δ10%		Elongation δ5%	Characteristics and scope of application

Al 1070A	GB/T4437.1-2000		60-95	≥22		≥25	Industrial pure aluminum, with high plasticity, corrosion resistance, electrical conductivity and thermal conductivity, but low intensity, heat treatment can not be strengthened and not be cut; can gas welding, welding and exposure to hydrogen atoms welding, brazing can not afford; vulnerable processing and extension of various pressures, bending.



Al 1060A	GB/T3191-1998		60-95	≥22		≥25



Detection of parameter table
Serial number		Test items			Units of measurement			Monitoring data
1		Internal and external surface quality						Clean
2		The inner surface of dust concentration in			g/			≤0.017
3		Inside surface roughness						≤Ra0.40
4		Water content			g/			≤0.02
5		Tensile strength			Mpa			≥70
6		Iron			%			0.12
7		Silicon			%			0.02
8		Copper			%			0.01
9		Pressure test						≥1.3Mpa/16
10		Elongation			%			≥37%

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Aluminum Tubes