3104 Aluminum Coil

Shelf time:
2022-06-15
Description:
Aluminum coil is a metal product for flying shear after rolling and bending corner processing by casting and rolling mill. Widely used in electronics, packaging, construction, machinery, etc., the production process has caught up with developed countries.

Product details description

 

 

 

 

 

 

 

1. Requirement

 

1.1 Alloy. Temper. Dimension Tolerance

Table 1

Alloy

Temper

Thickness and Tolerance

Width and Tolerance

3104

H19

0.240±0.005mm

0.00945±0.0002in

1684.17-0/+2mm

66.31-0/+0.08in

 

1.2 Chemical Composition

Table2

Alloy

Chemical Composition (not more than)

Fe

Si

Cu

Mn

Mg

Ti

Zn

Ga

V

Others

Al

Each

Total

3104

0.8

0.6

0.05-0.25

0.8-1.4

0.8-1.3

0.1

0.25

0.05

0.05

0.05

0.15

Other

 

1.3 Mechanical Property and Process Property

Table 3

Mechanical Property

Process Property

Tensile Strength

Rm

Yield Strength

Rp0.2

Elongation

A50mm/%

Post Baked

Yield Strength

(205/10min)

Earing

/%

290-330MPa

270-310MPa

3.0

250MPa

3

1.4 Surface Lubrication

Table 4

Post Lube

Post Lube Control Amount

Henkel  DTI  PL-A

250±50mg/m2/side

25.0±5.0mg/ft2/side

1.5 Oscillation and Telescoping

The oscillation shall not be more than 2mm,and telescoping no more than 5mm.

1.6 Edge camber

The edge camber shall not be more than 1mm maximum in 1000mm on the strip

1.7 Flatness

The gap between the strip and the flat surface should less than 6mm, the amount of wave in one meter length should no more than 3 .

1.8 Surface Roughness

Ra0.20~0.50um

 

2. Appearance Quality

2.1 The surface should be clean, even texture. Defects which may affect the material processing are forbidden, such as serious scratches, speckles, corrosions, oil stains, air entrapments, holes, peeling, inclusions, metal and nonmetal inclusions, black streaks or black lines.

2.2 The trimmed coil must be without cracks,clean cutting edge

2.3 The coils should be tight and even on the edges ,no splice

2.4   Coil Packing Type Paperless Packaging

Table 5

Al Core Quantity

Al Core Thickness

Inner Diameter

Outer Diameter

Coil Weight

Packing Director

2

Al: 4~6mm

0.16~0.24in

406mm (+3, -3)

16in+0.12-0.12

Max 1800mm

Max 70.87in

Min 1455mm

Min 57.28in

Max 11000kg

Max 24250lbs

Min 7000kg

Min 15432lbs

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