• Pre-painted Aluzinc Steel Coils Color Coated for Wholesales System 1
  • Pre-painted Aluzinc Steel Coils Color Coated for Wholesales System 2
Pre-painted Aluzinc Steel Coils Color Coated for Wholesales

Pre-painted Aluzinc Steel Coils Color Coated for Wholesales

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
10 m.t.
Supply Capability:
1000 m.t./month

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1.Description of Pre-painted Aluzinc Steel Coils:

Galvanized steel coil can be used outside because of its natural ability to avoid rust or corrosion. The coil itself is usually available in different dimensions. It may range from from 6 inches to 24 inches wide (15 cm to 51 cm), and up to 10 feet (3 m) long when rolled out flat.


2.Attentions in transportation and storage : 

1)PPGI/PPGL should be stored in neat and tidy environment to avoid possible corrosion caused by all kinds of corrosive medium.

2)The ground for storage should be flat, without hard object, and with sufficient loading-bearing capacity. 

3)Storage environment should be dry and ventilated. Avoiding storing outdoors or with dew or with wide temp difference.

4)Coil could not be dragged lest the burr caused by slicing will scratch the coil surface underneath. Coil should be handled with care, without hitting any hard objects.


3.Photo of Pre-painted Aluzinc Steel Coils:

Pre-painted Aluzinc Steel Coils Color Coated for Wholesales


4.Pre-painted Aluzinc Steel Coils Specification:

Product Name

Galvanized Steel plate

Thickness

0.14mm-4.0mm

Thickness Tolerance

+/-0.03mm

Width

600-1500mm

Width Tolerance

+/-0.5mm

Length

1000-6000mm

Zinc Coating

z60-z275 g/m2

Standard

ASTM, AISI, DIN, GB, BS, JIS

Material

SGCC,DC51D,DX52D,DX53D,,SGCD,Q195,Q235,SGHC,DX54D, S350 GD,

S450 GD,S550 GD 

Spangle

zero spangle, regular spangle or normal spangle, small spangle, big spangle

Surface Treatment

Chromated and oiled, Chromated and non-oiled, Anti-finger, Dry, Bright 


5.FAQ

We have organized several common questions for our clientsmay help you sincerely 

①How about your company

A world class manufacturer & supplier of castings forging in carbon steel and alloy steelis one of the large scale professional investment casting production bases in China,consisting of both casting foundry forging and machining  factory. Annually more than 8000 tons Precision casting and forging parts are exported to markets in Europe,America and Japan. OEM casting and forging service available according to customer’s requirement.

②How to guarantee the quality of the products

We have established the international advanced quality management systemevery link from raw material to final product we have strict quality testWe resolutely put an end to unqualified products flowing into the market. At the same time, we will provide necessary follow-up service assurance.

③How long can we receive the product after purchase?

In the purchase of product within three working days, We will arrange the factory delivery as soon as possible. The pecific  time of receiving is related to the state and position of customers.Commonly 7 to 10 working days can be served.




Q:What are the different steel coil finishes available?
There are several different steel coil finishes available, including hot rolled, cold rolled, galvanized, and stainless steel finishes.
Q:What are the common coil packaging materials?
Common coil packaging materials include plastic wrap, stretch film, steel strapping, and wooden crates. These materials are used to protect and secure coils during storage and transportation, ensuring they remain intact and undamaged.
Q:What are the challenges in coil slitting for narrow strip widths?
The challenges in coil slitting for narrow strip widths include maintaining consistent tension throughout the process, minimizing edge burrs and camber, preventing material damage or deformation, and ensuring accurate width measurements and tolerances. Additionally, handling and feeding thin strips can be more difficult, as they are more prone to wrinkling, telescoping, or jamming during the slitting operation. Overall, achieving precision and high-quality results in coil slitting for narrow strip widths requires advanced equipment, expertise, and careful attention to detail.
Q:Steel is strong in both tension and compression. Concrete is only strong in compression, and is very fragile in tension. Plus, concrete is heavy--a huge drawback in, say, a bridge deck. And its fairly expensive. And it hides the condition of the steel embedded within it. So what does it bring to the table? Why use it at all?
Exposed steel requires constant maintenance including inspection and repainting. Steel does not provide a durable driving surface nor a good friction one for stopping unless it is textured, which makes driving on it very noisy. It is not possible to refinish a steel surface as is a concrete surface which can be ground and had several inches of new wear surface in concrete or asphalt added to it. Concrete is much less expensive than steel and the enclosure of steel inside the concrete protects it like a paint job does. Steel is weakened by heat, as was shown by the 9/11 collapses when the applied fire insulation was blasted off the trusses by the crashes, so a burning truck on or under a bridge may damage concrete but leave it standing strong enough to continue handling traffic during repairs, as at overpasses here in Texas where oil tankers crashed and burned.
Q:What are the different methods of corrosion protection for steel coils?
There are several different methods of corrosion protection for steel coils, each with its own advantages and disadvantages. 1. Coating: One of the most common methods is to apply a protective coating to the steel coils. This can be done through a variety of techniques such as hot-dip galvanizing, electroplating, or painting. Coatings provide a barrier between the steel surface and the corrosive environment, preventing direct contact and thus reducing the risk of corrosion. 2. VCI (Vapor Corrosion Inhibitor): Another method is the use of VCI materials, which release chemicals that inhibit corrosion when in contact with the steel surface. These materials can be applied as coatings, films, or papers, and are particularly useful for long-term storage or shipping of steel coils. 3. Cathodic Protection: This method involves the use of sacrificial anodes or impressed currents to protect the steel coils. Sacrificial anodes, typically made of zinc or aluminum, are connected to the steel surface. These anodes corrode instead of the steel, sacrificing themselves to protect the coils. Impressed current systems use a direct electrical current to prevent corrosion on the steel surface. 4. Wrapping and Packaging: Proper wrapping and packaging of steel coils can also provide corrosion protection. This includes using moisture barrier films, desiccants, or absorbent materials to reduce the moisture content around the coils. Additionally, ensuring adequate ventilation and avoiding contact with other corrosive substances can help prevent corrosion. 5. Environmental Control: Controlling the environment in which the steel coils are stored or used is crucial for corrosion protection. This may involve maintaining proper humidity levels, controlling temperature, and managing air quality. By minimizing exposure to corrosive elements such as moisture, salts, or chemicals, the risk of corrosion can be significantly reduced. It is important to note that the choice of corrosion protection method depends on various factors such as the specific application, budget constraints, and desired lifespan of the steel coils. A combination of these methods may also be used to provide enhanced protection against corrosion.
Q:so I am trying to drill holes in stainless steel shelving to hang something but my drill wont make any more than a small dent in the steel. I bought a bit for hard metals but it didn't do any better. I have an admittedly small drill (9.6v). is that the problem? do I just need a more powerful drill? any serious advice is appreciated. thanks
When machining stainless you need a sharp tool and an abrasive cutting compound for the best results.Most tools will slide on the stainless rather than cut into it. Stainless is very soft and it stretches rather than cuts. Try to keep the bit cool, but a special cutting compound is advised.
Q:I'm not sure.Alloy stainless steel 308 series.
There are potential risks in some cookware materials. Aluminum and Teflon-lined pots, pans and bakeware are safest when kept in good condition and used properly. Mixing steel with chromium and nickel (18/8 stainless steel is 18% chromium and 8% nickel while 18/10 has 10% nickel) produces a corrosion resistant steel that is both hard wearing and easy to clean. Stainless steel cookware is considered one of the best and safest choices in cookware.
Q:How many percent carbon in low alloy steel and high alloy steel
Steel is basically an alloy of iron and carbon that has more than 0% carbon and less than 2% carbon. The alloy of carbon and iron with more than 2% carbon is considered cast iron. The bessemer process converts cast iron to steel by injecting oxygen into molter cast iron to burn off the excess carbon. Steel is also modified by adding additional elements like silicon, molydenum, vanadium, chrome, etc.
Q:How are steel coils used in the automotive stamping industry?
Steel coils are used in the automotive stamping industry to provide a continuous supply of flat steel sheets that are then fed into stamping machines. These coils are unrolled, straightened, and then fed through the stamping presses to create various automotive parts, such as body panels, chassis components, and other structural parts. The use of steel coils ensures efficiency, precision, and a consistent quality in the production of automotive parts.
Q:What are the different methods of perforating steel coils?
Various techniques are employed to perforate steel coils, each possessing unique merits and applications. 1. Mechanical Punching: One frequently employed method for perforating steel coils is mechanical punching. This involves utilizing a mechanical press, punch, and die set to puncture holes in the coil. Customization of hole size and shape is achievable by designing the punch and die set accordingly. Mechanical punching is efficient and generates consistent results, producing high-quality holes. 2. Laser Cutting: For intricate designs or complex hole patterns, laser cutting is a sought-after technique to perforate steel coils. A powerful laser beam is employed to precisely and cleanly cut through the coil, creating holes. Hole size, shape, and spacing flexibility are offered by laser cutting, which can be computer-controlled for precise and repeatable outcomes. 3. CNC Plasma Cutting: This method leverages a high-velocity plasma jet to cut through the steel coil and create perforations. CNC technology guides the plasma cutter, ensuring precise and accurate hole patterns. CNC plasma cutting is ideal for thicker steel coils and can generate larger holes compared to laser cutting. 4. Waterjet Cutting: The use of a high-pressure jet of water mixed with an abrasive substance characterizes waterjet cutting for perforating steel coils. This technique allows versatility in terms of hole dimensions, shapes, and compatibility with different materials. Waterjet cutting is renowned for its capability to produce intricate and precise perforations without causing heat-affected zones or distortion. 5. Electrical Discharge Machining (EDM): EDM is an approach that employs electrical discharges to erode the material, forming perforations in the steel coil. It involves the use of a conductive electrode and dielectric fluid to generate controlled sparks, removing material and creating holes. EDM is suitable for creating complex shapes and patterns, particularly on hard materials. The choice of method depends on various factors, including desired hole size and shape, steel coil thickness and type, required precision, and production volume. Each method has its own strengths and limitations, necessitating the selection of the most appropriate technique based on the specific requirements of the perforated steel coils.

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