Aluminum extruded pipe

 Characteristic parameter table

Grades

Standards

Tensile strength σb (MPa)

Elongation

δ*0%

Elongation

δ5%

Characteristics and scope of application

Al ***0A

GB/T***7.*****0

****5

≥*2

≥*5

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 ***0A

GB/T********8

****5

≥*2

≥*5

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.**7

3

Inside surface roughness

≤Ra0.*0

4

Water content

g/

≤0.*2

5

Tensile strength

Mpa

≥*0

6

Iron

%

0.*2

7

Silicon

%

0.*2

8

Copper

%

0.*1

9

Pressure test

≥1.3Mpa/*6

*0

Elongation

%

≥*7%