Aluminum Tube For Industry

Specifications Can gas welding, hydrogen bonding and contact welding, brazing difficult; Easy under various pressures processing and extension

Aluminum tube series The chemical characteristics of aluminum: The anti-atmospheric     corrosion performance is good, because it is easy to form dense surface of the alumina membrane, it can prevent further internal metal oxide, aluminum and concentrated nitric acid, organic acid and basic food adverse reactions.   Tube detection parameter table:

Sequence number	Detection project	Units of measurement	Detection data
1	Internal and external surface quality		clean
2	Inner-surface dust content	g/m2	≤0.017
3	Inner-surface roughness		≤Ra0.40
4	Water content	g/m2	≤0.02
5	Tensile strength	MPa	≥70
6	iron	%	0.12
7	Elongation ratio	%	≥37%
8	silicon	%	0.02
9	Pressure Test		≥1.3MPa/16
10	Copper	%	0.01

 

Brand	Standard	Tensile strength B(MPa)	Elongation (10%)	Elongation (5%)	Characteristics and scope
O-1070aluminum	GB/T4437.1-2000	60~95	≥22	≥25	The industrial aluminum, a high plasticity, corrosion resistance, electrical conductivity and thermal conductivity, but low intensity, heat treatment can not strengthen, not the desirability; Can gas welding, hydrogen bonding and contact welding, brazing difficult; Easy under various pressures processing and  extension, flexion

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