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| Why doesn't zinc and aluminium rust but corrode instead? |
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Posted by: KamorkasOa - 08-24-2018, 06:53 AM - Forum: aluminium faq
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Passivation refers to the spontaneous formation of an ultrathin film of corrosion products, known as a passive film, on the metal's surface that act as a barrier to further oxidation. The chemical composition and microstructure of a passive film are different from the underlying metal. Typical passive film thickness on aluminium, stainless steels, and alloys is within 10 nanometers. The passive film is different from oxide layers that are formed upon heating and are in the micrometer thickness range – the passive film recovers if removed or damaged whereas the oxide layer does not. Passivation in natural environments such as air, water and soil at moderate pH is seen in such materials as aluminium, stainless steel, titanium, and silicon.
Passivation is primarily determined by metallurgical and environmental factors. The effect of pH is summarized using Pourbaix diagrams, but many other factors are influential. Some conditions that inhibit passivation include high pH for aluminium and zinc, low pH or the presence of chloride ions for stainless steel, high temperature for titanium (in which case the oxide dissolves into the metal, rather than the electrolyte) and fluoride ions for silicon. On the other hand, unusual conditions may result in passivation of materials that are normally unprotected, as the alkaline environment of concrete does for steel rebar. Exposure to a liquid metal such as mercury or hot solder can often circumvent passivation mechanisms.
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| 1/2" Aluminum Circle 4 3/8" diameter 6061 sheet plate artwork Mill Finish |
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Posted by: KamorkasOa - 08-24-2018, 06:45 AM - Forum: Buying Leads
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4 3/8" diameter x 1/2" thick 6061 aluminum sheet stock mill finish. This has been waterjet cut into a 4 7/8" circle. Material: Aluminum Alloy: 6061 Shape: Circle Width: 4 3/8 inches Length: N/A Finish: Mill finish Tolerances: (+/- 1/8 inch) Please Note: Most mill finishes may have surface scratches or handling scratches and are purchased as is.
Specifications for this item
Part Number
1/2" Circle 4 3/8" diameter 6061
Number of Items
1
Brand Name
TNT Metals
Exterior Finish
mill/unpolished
Item Shape
Sheet
Material
aluminum_6061
Measurement System
English
Email:wade@haomeicn.com
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| 3mm Thick 1100 Aluminium Circles DC Rolled Polished For Cookware Pot Making |
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Posted by: KamorkasOa - 08-24-2018, 06:04 AM - Forum: Buying Leads
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3mm Thick 1100 Aluminium Circles DC Rolled Polished For Cookware Pot Making
Quick Detal:
Product name
alumimun sheet Circle
Material
1100
Tempers
O
Application
aviation, marine, electric productions, trailer, machinery, construction. etc
Standard
China Nation Standard GB 3880-2006, ASTM, EN
Description:
The properties of aluminum circle for pots, cookware, nonstick aluminium circle (or shaped blanks) make them ideal for use in a number of markets including the cookware, automotive and lighting industries etc
1. Low anisotropy, which facilitates deep drawing
2. Strong mechanical properties
3. High and homogeneous heat diffusion
4. Ability to be enameled, covered by PTFE (or others), anodized
5. Good reflectivity
6. High strength-to-weight ratio
7. Durability and resistance to corrosion
Aluminum circles is widely used in electronics, comestic, medicine, auto parts, home appliances, machine manfacturing, moulding, building and printing, especially for cookware, like non-stick pan, pressure cooker, and hardware, like lampshade, jacketing shall. Aluminum circle disc is the most widely used deep drawing products of aluminum alloy strip.
1 XXX series aluminum alloy
1. Belongs to the industrial pure aluminum.
2. Small density, good conductivity, high thermal conductivity, melting latent heat, light reflection coefficient, thermal neutron absorption boundary area is lesser, and Colour and lustre is beautiful.
3. Aluminum surface in air to form a dense and strong oxidation film, prevent the invasion of the oxygen, thus has the character of good corrosion resistance.
4. Lower intensity, 1 XXX series aluminum alloy heat treatment method cannot achieve reinforcement effect, only a method of cold work hardening is adopted to improve the strength.
Pure Aluminum Circle, like Alloy 1050, 1060, 1070, 1100 and Alloy Aluminum Circle, like Alloy 3003. Both hot treated and non-heat treated alloy can be used for aluminum circle production.
Packing & shipment:
Standard wooden pallet for exporting seaworthy or according to your requirement
Shipping: about 25 days after receipt advance
Chemical composition
Si
Fe
Cu
Mn
Mg
Cr
Zn
Ti
Al
1060
0.250
0.350
0.050
0.030
0.030.-
-
0.050
0.030
99.6
1070
0.200
0.250
0.040
0.030
0.030
-
0.040
0.030
99.7
1100
Si+Fe:0.95
0.05-0.2
0.050
-
-
0.100
-
99.0
3003
0.600
0.700
0.05-0.20
1.0-1.5
-
-
0.100
-
remains
3105
0.600
0.700
0.300
0.30-0.8
0.20-0.8
0.200
0.400
0.100
remains
5052
0.250
0.400
0.100
0.100
2.2-2.8
0.15-0.35
0.100
-
remains
5154
0.250
0.400
0.100
0.100
3.1-3.9
0.15-0.35
0.200
0.200
remains
5754
0.400
0.400
0.100
0.500
2.6-3.6
0.300
0.200
0.150
remains
5182
0.200
0.350
0.150
0.20-0.50
4.0-5.0
0.100
0.250
0.100
remains
6061
0.3-0.7
0.500
0.100
0.030
0.35-0.8
0.030
0.100
-
remains
8011
0.5-0.9
0.6-1.0
0.100
0.200
0.050
0.050
0.100
0.080
remains
8079
0.200
0.300
1.0-1.6
0.100
0.6-1.3
0.100
0.250
0.100
remains
Product Features of cookware Aluminium circle:
Longer service life
Sturdy design
Easy to use
Manufacturing of [b]cookware Aluminium circle[/b]:
Aluminium sheet - Punch - Aluminium Circles
Specification
pecification
aluminium sheet circle
Alloy: 1050, 1060,1070, 1100, 1200,3003 ,6061 etc.
Temper: T6 O, H12, H22, H14, H24, H26, H18 etc.
Thickness: 0.2-200mm
Width: Up to 1800mm
Length: Up to 6000mm
Surface treatment: mill finished, anodized, embossed, PVC coated
Feature
Price is much more competitive than that of other series.
Satisfy regular industrial process of stamping, drawing with good elongation, tensile strength and high formability.
Great plasticity, corrosion resistance, electrical conductiviy and termal conductivity.
Easy to be welded.
Easy to be pressure processed, extended and bent.
Application
Sign board, Advertising board, Building decoration, Car body, Cooking utensil, Lamp holder, Fan leaf, Electrical part, Chemical instrument, Machined part, Deep-drawn or spinned part, Welded part, Heat exchanger, Clock surface, Decotation, Reflective instrument etc.
Alloy
Chemical Component %≤
Si
Fe
Cu
Mn
Mg
Cr
Ni
Zn
Ti
others
Al
single
total
1050
0.25
0.4
0.05
0.05
0.05
0.05
0.03
0.03
99.50
1060
0.25
0.35
0.05
0.03
0.03
0.05
0.03
0.03
99.60
1100
0.95
0.05-0.2
0.05
0.1
0.05
0.15
99.00
1200
1.00
0.05
0.05
0.1
0.05
0.05
0.15
99.00
Application of [b]cookware Aluminium circle:[/b]
Stock pots
Fry pans
Pressure cookware
Bread makers
Tea kettles
Hollowware
Lampshade
Kitchen disc
Cooking pan
Competitive Advantage:
1. Factory direct sells, with competitive price.
2. Quick delivery time, according to the clinet's demand
3. Expert in producing cold rolled and hot rolled aluminium circles
4. Can supply small trial orders
5. Many years producing technology to supply high quality products
6. Quick reply on the customer's questions
Contact
Email:wade@haomeicn.com
Office Add: 1103, First Int., No.14 Waihuan Road, CBD, Zhengzhou, China
Zip code: 450000
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| Black Powder Coating Aluminum Frame Aluminium Profile For Windows And Doors |
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Posted by: KamorkasOa - 08-24-2018, 05:59 AM - Forum: Buying Leads
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Description:
1) Material: 6063 6060 6463 T5 T6 T66
2) Surface: Mill Finished, Anodizing, Electrophoresis, Powder Coating ,Polishing, Wooden grain, Sand Blasting
3) Color: Clear Satin, Bronze, Black, Golden, Silver, other colors for Powder Coating
4) MOQ: 1ton. Usually 12 tons for a 20 feet container; 24 tons for a 40 feet container.
5) Length:
For Anodizing and Electrophoresis: Maximum 6.8 Meters
For Powder Coating : Maximum 12 Meters
6) Packing:
A) EPE, waterproof paper wrapped in small bundles.
B) Paper interleave each piece and packing in wooden box and finally on Steel Rack to pull into container
7) Sample delivery: Two weeks (one week for mould +one week making sample)
8) Sample design: It is better we can get your drawing or sample, we mainly make according to your design, and we can keep confidential for your design.
9) Maximum extruder machine: 3500 tons; Minimum extruder machine: 500 tons
Surface treatment
Surface treatment provides aluminium with a hard-wearing and stylish surface, making it even more versatile. Our surface treatment plants specialize in the powder coating and anodizing of aluminium.
Business areas :
(1)Extrusions
Extrusions is a producer of extruded aluminium profiles. Sites also handle cutting, bending, anodizing and painting. With production facilities across the world, Extrusions is organized in three business areas, covering the Americas, Asia, and Europe.
(2)Building Systems
Building Systems develops and sells aluminium-based window, door and facade products. This includes the development of energy-saving concepts. Our company has a portfolio Building System and Original Systems - to ensure a proper response to the various segments of the global market.
(3)Precision Tubing
Precision Tubing develops and markets aluminium tubing and tubing solutions primarily for heat transfer applications in the automotive industry and in the heating, ventilation, air conditioning and refrigeration industry. Our aluminium solutions also are used in solar market segments and in tube lines for carrying liquids or gases.
Competitive Advantage:
1)Engineering design and support.
2)Deep process: cutting,punching,drilling,milling,and fabricating.
3)High Quality system, aluminum profile comply with GB, ASTMB and EN standard.
Production Application:
An aluminium extrusion profile is the simple solution to almost all design problems.
Aluminium instead of steel, wood or plastic.
Extrusions are found in almost every industry and market application. They are in your home, your car, your office, in planes, trucks, trains and boats; in airports, factories, machines and power stations.
Their versatility contributes to the performance of aluminium as the world’s fastest growing metal.
Advantages of the extrusion process :
The extrusion process provides virtually unlimited opportunities for aluminium product shapes. Costs are cut by designing fewer components, which reduce fabrication and simplify assembly.
These features and benefits are unmatched by other materials and processes:
(1)Complex integral shapes
(2)Cost effective
(3)Low tooling costs
(4)Design flexibility
(5)Versatility in joining
(6)Machinable
(7)Rapid prototyping
(8)Short lead times
(9)Wide range of finishes
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| Deyuan Metal Foshan Co., Ltd. |
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Posted by: KamorkasOa - 08-24-2018, 05:58 AM - Forum: Companies
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Deyuan Metal Foshan Co., Ltd. is a comprehensive and professional enterprise integrating research, design production and sales of aluminium extrusion profiles for construction and industrial applications. There are currently 26 aluminum extrusion process lines at 500MT TO 2500MT, 3 process lines for anodizing, 2 process lines for powder coating, 1 process line for painting, 1 process line of polishing and brushing. Our annual production capacity has reached 80,000 tons which is at the forefront of the aluminium industry in China.
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| What is the aluminum foil strip used for a reactor? |
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Posted by: KamorkasOa - 08-23-2018, 08:44 AM - Forum: aluminium faq
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Reactor is a kind of electromagnetic device which uses electromagnetic induction principle to transfer energy and information in the electric appliance. Its material consists of four kinds: 1. magnetic material 2. conductive material 3. insulating material 4. structural material.
![[Image: Foil-300x300.jpg]](http://www.aluminiumstrip-hm.com/wp-content/uploads/2018/01/Foil-300x300.jpg)
Conductive materials: Conductive materials are used to form electrical circuit, it is mainly composed of conductive metal or other materials.
Conductive materials are divided into: enamelled round copper wire, enamelled flat copper wire, wire-wrapped glass wire wrapped round copper wire, glass wire wrapped flat copper wire, copper strip, aluminum foil strip for reactor.
Aluminum foil strip for reactor is generally used as high current reactor, 1060 1070 1350 1370 aluminum strip is commonly used, the thickness is generally more than 0.5mm, the width is more than 100 mm, require to do side arc treatment, conductivity is more than 62%.
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| What is the performance of a 5052 color-coated aluminum sheet coil? |
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Posted by: KamorkasOa - 08-23-2018, 08:35 AM - Forum: aluminium faq
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The 5052 color-coated aluminum sheet coil is ideal for producing aluminium composite materials. Haomei aluminium coil is coated with high quality fluororesin paint which offers good weather resistance.
[img=300x0]http://www.aluminiumstrip-hm.com/wp-content/uploads/2017/06/Color-Coated-Aluminium11-300x300.jpg[/img]
5052 color-coated aluminum sheet coil is the most popular new material currently. It is especially suitable for interior decoration and AD boards. color Coated Aluminum Coil refers to the aluminum coil through coating and coloring treatment generally includes PE coated aluminum coil and PVDF coated aluminum coil.
5052 is an aluminium alloy, primarily alloyed with magnesium andchromium.
Chemical properties
The alloy composition of 5052 is:[2]
Magnesium – 2.2%-2.8% by weight
Chromium – 0.15%-0.35% maximum
Copper – 0.1% maximum
Iron – 0.4% maximum
Manganese – 0.1% maximum
Silicon – 0.25% maximum
Zinc – 0.1% maximum
Others each 0.05% maximum
Others total 0.15% maximum
Remainder Aluminium
The similar alloy A5652 do exist differing only in impurities limits.
Mechanical properties
Tensile Strengths
Hardening Ultimate MPa (PSI) Yield MPa (PSI)
O 195 (28000) 89.6 (13000)
H32 228 (33000) 193 (28000)
H34 262 (38000) 214 (31000)
H36 276 (40000) 241 (35000)
H38 290 (42000) 255 (37000)
[img=210x0]http://color-coated-aluminum-coil.com/images/color_coated_aluminium_coil_1.jpg[/img]
5052 color-coated aluminum sheet coil used Typical applications include marine, aircraft, architecture, general sheet metal work, heat exchangers, fuel lines and tanks, flooring panels, streetlights, appliances, rivets and wire.
The exceptional corrosion resistance of 5052 alloy against seawater and salt spray makes it a primary candidate for the failure-sensitive large marine structures, like tanks of liquefied natural gas tankers.
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| Do you know the traditional aluminum and aluminum alloy plating? |
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Posted by: aluminiumsheet - 08-22-2018, 06:39 AM - Forum: aluminium faq
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1.Traditional aluminum and aluminum alloy plating
Aluminum and aluminum alloy electrolysis in the electrolyte can form a coating, but the coating binding force is not strong, easy to peel. Therefore, aluminum can be first deposited in the aqueous solution containing zinc oxide compounds and then electroplating, this method is either zinc displacement or deposition. It is also possible to first obtain a thin porous oxide film on the surface of aluminum and aluminum alloys by anodizing the power supply to perform electroplating.
1.1General aluminum and aluminum alloy plating process
Aluminum and aluminum alloy electroplating processes are pre-plated, electroplated and post-plated. Pre-plating treatment is the most critical process related to the quality of electroplated products. Its main purpose is to remove the grease on the surface of aluminum and aluminum alloys, naturally forming an oxide film and other dirt.
Conventional general processes are: degreasing-washing-demineralization-washing-pickling-washing-activation-washing-primary zincation-washing-removal-zinc-washing-secondary zincation-washing-neutral nickel-plating-washing- Subsequent plating.
There is also a wave of the anodized film instead of zinc immersion process in the subsequent plating.
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| What is the production of thin aluminum foil? |
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Posted by: aluminiumsheet - 08-22-2018, 06:22 AM - Forum: aluminium faq
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thin Aluminum foil – thin aluminum sheet is produced by cold-way and having a thickness of from 0.005 to 0.2 mm. Aluminum foil has excellent density, good water resistance and anti-air permeability, may also be exposed to high temperatures without deforming or melting, etc. therefore can be used in various fields of business, packaging, automotive and construction, etc.
![[Image: aluminiumfoilstrip-300x300.jpg]](http://www.aluminiumstrip-hm.com/wp-content/uploads/2018/02/aluminiumfoilstrip-300x300.jpg)
thin aluminium foil has unique deadfold characteristics which make it ideal for wrapping and re-wrapping many different products and product shapes, while minimising the need for sealants. Because it is very malleable it can be easily deformed without losing its barrier integrity, making it an ideal material for use in combination with other flexible substrates to create very thin laminates for a variety of markets and consequently, again, save resources.
thin Aluminum foil has many characteristics, so it is vastly used as packaging aluminum foil, such as food, drink, cigarette, pharmaceutical, aluminum household foil, etc. Besides, it can also be used as electronic capacitor material, building material, heat insulation material, printing material, sign or label material and so on and so forth. Among all these applications, using as packaging material can greatly express the features of aluminum foil. haomei Aluminum foil can manufacture varieties of aluminum foil with high quality, and has won good praise from our customers
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![[Image: aluminium-traffic-signs.jpg]](http://aluminium-traffic-signs.com/images/aluminium-traffic-signs.jpg)