cold casting aluminum mill finish rolls

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Product Description:

Cans cover (ring) pre-coated plates
First, the raw materials
Aluminum lid and pull the main substrate of aluminum from the southwest andNanshan Aluminum, the use of aluminum-magnesium alloy 5182H19, 5052H19. Itsproducts in the normal substrates of manganese and magnesium components addedto increase the tensile strength and elongation. Han and the lotion by theGerman food-grade chrome HD agent, the United States PPG epoxy phenolicpackaging coatings, and high-end DOS oil
Second, applications
Division I professional production of DOS card and aluminum cans with a coatingfor cans of the lid and pull the coated aluminum is widely used in beverage,beer, rice pudding, tea, cigarettes, cans and other products packaging. U.S.imports of food ash using electrostatic spray wax, cut by large waves, transverseshear, longitudinal easily processed into the system covered the pre-coatedaluminum manufacturers. Depending on the system covers equipment can makeweight and volume of different specifications to meet customer requirements.
Third, the application prospect
Cans of food packaging as lightweight, unbreakable, easy to carry transportcharacteristics, cans packaged foods will gradually replace the glass packagingfood. As China'seconomy continues to strengthen, improve people's living standards, consumptionwill be more and more cans, cans will be growing timber. Therefore, cans withthe amount of pre-coated aluminum coil will be more and more broad prospects.

Alloy & specification

Alloya

Coated panel,strip status

Status

Aluminum thicknessa t/mm

Aluminum Specificationa /mm

Aluminum coil specificationa /mm

Width

length

width

Steeve Φ

50525182

H46H48H49

H18H19

H36H38H39

0.22≤t≤0.50

5001600

5004000

201600

300350

405505

a.Other alloy, specification of material can be  negotiated

Aluminum thickness

Aluminum thickness

Thickness  tolerance±

0.220.30

0.005

0.300.50

0.008

Width and Length

Alloy

Aluminum panel&coil length tolerance/mm

Aluminum Panel & coil width  tolerance/mm /mm

Pop top

Pop can cover

Length≤2000

Length  >2000

width≤100

width  >100

width≤1000

width  >1000

5052

5182

+1

0

+2

0

±0.2

+1.5

0

+1.0

0

+1.5

0

Dynamic features

Alloy

Status

thicknesst/mm

Room   temperature tensile test results

Tensile strength

Rm/MPa

non-proportional   extension strengthRp0.2/MPa

elongationA50mm /%

5052

H36

0.220.30

255305

200

2

0.300.50

255305

200

3

H18H38

0.220.30

270

210

2

0.300.50

270

210

3

H19H39

0.220.30

290

220

2

0.300.50

290

220

3

5182

H36

0.220.30

265340

270

3

0.300.50

265340

270

4

H18H38

0.220.30

330

285

3

0.300.50

330

285

4

H19H39

0.220.30

340

295

3

0.300.50

340

295

4

Coating function

Suppliershould ensure DOS oil of pop can cover is up to 510mg/m2/side, and coating surfaceshould be with even wax which is up to 40100mg/m3/side  

Food and packing industry pop can covercoating aluminum panels’ features:

Function

Coating  weightg/m2

Deviation  of coating

T Bend

MEK

High  temperature sterilization

S

Resist-ance

Acid  resista-nce

Adhe

-sion

Pop  can Cover

Outer  coating

36

≤10

≤2

50

See  Note.1

-

-

1

Grade

Inner  coating

1013

≤10

≤2

-

See  Note.1

See  Note.2

See  Note3

1

Grade

Pop  can tab

2  sides coating

36

≤10

≤2

50

See  Note.1

-

-

1

Grade

Note

1  After121℃,30min distillInternal and external coating without  white, loss of light, peeling, and shedding.

2 After121℃,30min S corrosionInternal and external coating without  white, loss of light, peeling, and shedding.

3  After121℃,30min acid erosionInternal and external coating without  white, loss of light, peeling, and shedding.

Appearance

The surface of the pop cans cover coatingdoes not allow defects such as air bubbles, scratches, missing coating,over-burning, oil spots, stains, streaks, color, piebald, roller printing,embossing, periodic prints, chemical liquid etc which impact users.

Each coil allowed a joint which does notallow loose layer or dislocation, the joint can only be overlapped, which needto make the mark in the end, and each batch coil of joint  is not morethan 10% of the total number of coils.

Services

Supporting services: Offering semi-finishedproducts & OEM services


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Q:What’s the production standard of aluminum coil?
GB/T3880-2006 mechanical standard GB/T3190-1996 chemical standard
Q:How to calculate the wall thickness with the gross weight of aluminum coil known?
Gross weight*density=volume volume÷(aluminum sheet *width)=thickness
Q:Is the aluminum coil with damaged side still useful?
The side of tire, also called side wall, is the thinnest and most fragile. Side wall damages can be divided into swell and scratch. The swell is often caused by external force (The car is trapped in pit or on curb when you are driving fast). It can cause the cord thread break so that the rubber of the tire side wall cannot be fixed and tightened. The size of the swell is often as big as that of an one-yuan coin and will become bigger as the traveling distance increases. Under such circumstance, it is recommended to replace the tire. Scratch is usually caused by bad roads or debris on the road. It is recommended to replace the tire if the scratch in the side wall is obvious and the cord thread break. If the front wheels have such damages, the tire should be replaced as soon as possible (Because the steering, braking and driving is mainly based on the front wheels.). If there is no spare tire on site, change the front damaged tire with the rear tire and drive to an appropriate place.
Q:Why there is always impression and indentation on the backup roller of aluminum coil rolling mill with 4 rollers.
It is either the external or the bearing problem in designing and installing.
Q:Why does the coated aluminum coil have thickness requirement for membrane?
The purpose of coating is to protect the surface of aluminum coil and make it more aesthetic. The thickness of membrane is closely related to the keep years of products made by aluminum coil.
Q:Can aluminum foil coil be stores for a long time?
It is ok within one or two years, but for five or six years, it will be oxidized.
Q:How many companies have used aluminum coil?
Too many. All the companies who make the aluminum products you have seen in daily life have used it. So it is hard to explain.
Q:What are the best rust-proof coils? Please tell me the model and manufacturer in Shangdong. Thank you.
3003 aluminum coil, AL-Mn series alloy, is the most widely used rust-proof aluminum with the density being 2.73. It is applicable to insulation projects such as pipe insulation, packaging, machine parts, refrigerator, air conditioning and ventilation pipes and other wet environment.
Q:Why the aluminum-plastic panel processed by color aluminum coil peel off paint?
It may be due to the bad quality of the color aluminum coil paint or the poor paint-drying process.
Q:Is aluminum silicate roll felt the same as aluminum silicate acupuncture blanket?
No, the unit weight of aluminum silicate fiber felt is greater than that of aluminum silicate acupuncture blanket. Both are thermal insulation and fire-proof material and have the same function.

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