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