AA3xxx Hot Rolled Aluminum Coils Used for Construction

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Loading Port:
Shanghai
Payment Terms:
TT OR LC
Min Order Qty:
5 m.t.
Supply Capability:
10000 m.t./month

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Item specifice:

Grade: 3000 Series Surface Treatment: Mill Finish Shape: Flat
Temper: Half Hard Application: Decorations

Product Description:

1.Structure of AA3xxx Hot Rolled Aluminum Coils Used for Construction Description

AA3xxx Hot Rolled Aluminum Coils Used for Construction is cut from aluminum coils 3xxx. AA3xxx Hot Rolled Aluminum Coils Used for Construction is 99% at least. It has great ductility, heat conductivity, anti-corrosion and moisture resistance properties.

AA3xxx Hot Rolled Aluminum Coils Used for Construction is widely used for electronics, instruments, lighting decoration, packing industry, house decoration, curtain wall, honeycomb-core panel, sandwich panel, aluminum composite panel and aluminum composite pipes.

2.Main Features of AA3xxx Hot Rolled Aluminum Coils Used for Construction

•    Superior quality of raw material

•    Reasonable and stable chemical composition

•    Accurate tolerance

•    Goode mechanical property

3.AA3xxx Hot Rolled Aluminum Coils Used for Construction Images 

AA3xxx Hot Rolled Aluminum Coils Used for Construction

AA3xxx Hot Rolled Aluminum Coils Used for Construction

AA3xxx Hot Rolled Aluminum Coils Used for Construction

4.AA3xxx Hot Rolled Aluminum Coils Used for Construction Specification

Alloy

AA3xxx   (AA3105 etc.)

Temper

H14,   H16, H18, H22, H24, H26, H32, O/F

Thickness

0.2mm   -- 100mm

Width

30mm   -- 1700mm

Standard

GB/T   3880-2006,EN,ASTM,JIS

5. FAQ of AA3xxx Hot Rolled Aluminum Coils Used for Construction

What is the quality standard?

---Usually our standard is GB3880-2006

What is the largest width?

---It is 2300mm

What is the MOQ?

---Usually we can accept 80 tons.


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Q:why can aluminum sheet after oxide film removal react quicker with hydrochloric acid?
the reason is very simple, the original aluminum sheet has a layer of dense oxide film AI2O3, which has prevented the inner aluminum sheet from reacting with hydrochloric acid. but after oxide film removal, aluminum sheet will directly contact hydrochloric acid, generating H2.
Q:why does 10% sulfuric acid not react with aluminum sheet?
10% sulfuric acid has a high concentration and will be passivated and formulate a layer of oxide film after reacting with aluminum,and the reaction will stop after seperating sulfuric acid and aluminum. there is a layer of Al2O3 oxide film on the surface of aluminum, so it's hard for sulfuric acid to break the oxide film and react with aluminum.
Q:which kind of aluminum sheet could be bended after being etched?
general etching materials include stainless steel and copper.
Q:who knows the ceiling technology of aluminum sheet?
Different materials usually have difference in construction technology. The detailed ceiling construction technology process of aluminum buckle plate:1, snapping line: according to the elevation horizontal line of floor, designed elevation, surrounding ceiling elevation horizontal line, you can find the central point of your room. Then alone the ceiling’s elevation horizontal line, take the central point of your room as focus, you can draw the grading line of keel. 2, install main keel boom: after ensuring the ceiling’s elevation horizontal line and keel’s location line, you can measure the elevation of the below ending of boom, and install the boom processed before. You can use expansion bolt to fix the boom on ceiling. Choose round steel as boom, control the gap of hanging bar under the range of 1200mm.3, install main keel: choose C38 light steel keel as main keel, control the gap under 1200mm. connect it with fitting and boom matched with main keel while installing. 4, install side keel: fix 25×25mm coated keel on the surrounding wall with cement nail according to net height of ceiling, control the cement nail’s gap under 300mm. 5, install sub keel: install the sub keel matched with aluminum buckle plate according to the size of aluminum buckle plate, hang the sub keel on main keel through hanger. When the sub keel needs to be prolonged by several keel, use the adapting piece of sub keel, connect the two ends and fix them after straightening at the same time of hanging the sub keel.
Q:which is the best bonding method for aluminum sheet and plastic?
smear glue, there is a glue special for the bonding of plastic and steel materials.
Q:could magnet attract iron with the seperation of rubber and aluminum sheets?
it does within the range of magnetic force.
Q:When water continually sprays on the aluminum sheet, how to avoid corrosion of aluminum sheet and keep its water resistance?
aluminum will react with oxygen, generating dense Al2O3 oxide film on the surface, once the pure aluminum is exposed in air, it will react with air, generating oxide film to protect it.
Q:how much should the current be adjusted when I use pulse aluminum welding machine to weld 0.7 aluminum sheet?
60-70A current is enough for 0.7 aluminum sheet,the key poiny is that the thin sheet should be bonded with iron sheet or other assistant cooling device when you weld it, or it will be burned through.
Q:how to make aluminum products bright? How to polish or clean the products punch formed by 0.3mm aluminum sheet?
you can try to grind it with magnetic grinder.
Q:why does the bubble apear a few minutes later after putting aluminum sheet into dilute sulphuric acid?
Because there is oxide on the surface of aluminum, the reaction will be quicker after polishing the oxide with abrasive paper.

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