Prepainted Zinc/aluzinc Steel Sheet In Coils
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 10000 m.t./month
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Prepainted Zinc/aluzinc Steel Sheet In Coils
1.Structure of Prepainted Zinc/aluzinc Steel Sheet In Coils
Structure of Prepainted Zinc/aluzinc Steel Sheet In Coils are coated with organic layer, which provides higher anti-corrosion property and a longer lifespan than that of galvanized steel sheets.
2. The base metals for Color Coated Steel Coil consist of cold rolled, HDG electro-galvanized and hot-dip alu-zinc coated steel. The finish coats of Color Coated Steel Coil can be classified into groups as follows: polyester, silicon modified polyesters, polyvinylidene fluoride, high-durability polyester, etc.
3. The production process has evolved from one-coating-and-one-baking to double-coating-and-double-baking, and even three-coating-and-three-baking.
4. The color of the Color Coated Steel Coil has a very wide selection, like orange, cream-colored, dark sky blue, sea blue, bright red, brick red, ivory white, porcelain blue, etc.
5. The Color Coated Steel Coil can also be classified into groups by their surface textures, namely regular prepainted sheets, embossed sheets and printed sheets.
2.Main Features of Prepainted Zinc/aluzinc Steel Sheet In Coils.
1) Rust-proof
2) Water-proof
3)Durable using
3. Prepainted Zinc/aluzinc Steel Sheet In Coils Images
4. Prepainted Zinc/aluzinc Steel Sheet In Coils Specification
goods | Prepainted Zinc/aluzinc Steel Sheet In Coils |
Technical Standard: | JIS 3302 / ASTM A653 / EN10143/EN10327 |
Grade | DX51D / DX52D/ DX53D/ S250,280,320GD |
Width | 500/650/726/820/914/1000/1200/1219/1220/1250mm |
Thickness | 0.17-1.6mm (0.25-0.45mm is the most advantage thickness) |
Type of coating: | galvanized |
Zinc coating | Z60-120g/m2 |
Surface treatment | chromed / skin pass/ oiled /un oiled /slightly oiled/ dry |
Surface structure: | zero spangle / minimized spangle / regular spangle/ big spangle |
| MOQ | 5 Tons |
Package: | Properly packed for ocean freight exportation in 20''containers |
Price terms | FOB,CFR,CIF,CPT.CNF,CIP |
Payment terms | 30%TT in advance+70% TT or irrevocable 70%L/C at sight |
delivery time | 7days after receipt of 30% TT |
5.FAQ of Prepainted Zinc/aluzinc Steel Sheet In Coils
We have organized several common questions for our clients，may help you sincerely：
①How about your company？
A world class manufacturer & supplier of castings forging in carbon steel and alloy steel，is 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 requirements.
②How to guarantee the quality of the products？
We have established the international advanced quality management system，every link from raw material to final product we have strict quality test；We resolutely put an end to unqualified products flowing into the market. At the same time, we will provide necessary follow-up service assurance.
③What is the usage on the products?
The industrial use
The application field | example illustration |
The electrical appliance industry | Air conditioner,Computer chassis, Plate for refrigerator,Outer shell of washing machine,kitchen fittings, The freezing chamber device |
The building industry | housetop,Lateral wall,doors and windows, gutter,Shutter doors and windows,Wall frame , Ceiling joist,ventiduct |
The agricultural and pastoral | Granary,silo,animal house,trough,flume,Greenhouse trellis,Baking equipment; |
The transport | railroad:The roof of the train,The internal frame of train,The road sign,The inner walls of the train; |
The equipment and structure | radiator,cold roll-formed ,Pedals and rack |
- Q:What are the different grades of steel used in steel strips?
- There are several different grades of steel commonly used in steel strips, each with its own unique properties and applications. Some of the most commonly used grades include: 1. Low carbon steel: This grade of steel has a carbon content ranging from 0.05% to 0.25%. It is known for its excellent formability, weldability, and versatility. Low carbon steel is often used in applications where strength and hardness are not critical, such as automotive components, construction materials, and consumer goods. 2. Medium carbon steel: With a carbon content ranging from 0.25% to 0.60%, medium carbon steel offers a balance between strength and ductility. It is commonly used in applications that require moderate strength and hardness, such as shafts, gears, and machinery parts. 3. High carbon steel: This grade of steel contains a carbon content ranging from 0.60% to 1.0%, providing excellent strength and hardness. High carbon steel is commonly used in applications where extreme hardness and wear resistance are required, such as cutting tools, springs, and knives. 4. Stainless steel: Stainless steel is an alloy that contains a minimum of 10.5% chromium, which provides excellent corrosion resistance. It is available in various grades, each with different levels of corrosion resistance, formability, and strength. Stainless steel strips are widely used in industries such as food processing, medical equipment, and automotive applications. 5. Galvanized steel: Galvanized steel is coated with a layer of zinc to provide enhanced corrosion resistance. It is commonly used in applications where rust prevention is crucial, such as outdoor structures, automotive parts, and electrical enclosures. 6. Alloy steel: Alloy steel is composed of multiple alloying elements, such as chromium, nickel, or molybdenum, in addition to iron and carbon. These additional elements enhance the mechanical properties of the steel, such as strength, hardness, and toughness. Alloy steel strips are often used in applications that require high-performance materials, such as aircraft parts, automotive components, and industrial machinery. Overall, the choice of grade depends on the specific requirements of the application, considering factors such as strength, hardness, corrosion resistance, and cost. Different grades of steel offer a wide range of properties, allowing for the selection of the most suitable grade for each specific application.
- Q:What are the common surface defect inspection methods for steel strips?
- The common surface defect inspection methods for steel strips include visual inspection, magnetic particle inspection, ultrasonic testing, eddy current testing, and dye penetrant testing.
- Q:What are the tolerances for dimensional accuracy of steel strips?
- The tolerances for dimensional accuracy of steel strips can vary depending on the specific application and industry standards. However, common tolerances for dimensional accuracy range from +/- 0.005 inches to +/- 0.015 inches, with tighter tolerances often required for precision applications such as automotive or aerospace industries.
- Q:What is the fatigue resistance of steel strips?
- The fatigue resistance of steel strips refers to their ability to withstand repeated cyclic loading without experiencing structural failure or degradation over time. It is a measure of the strip's ability to resist fatigue crack initiation and propagation under cyclic loading conditions. The fatigue resistance of steel strips is typically evaluated through various fatigue testing methods, such as fatigue life testing or fatigue crack growth testing, to determine their performance and durability in real-world applications.
- Q:Can steel strips be customized in terms of thickness and width?
- Yes, steel strips can be customized in terms of thickness and width. Steel strips are manufactured in various thicknesses and widths according to the specific requirements of different industries and applications. The customization process involves shaping the steel strip to the desired thickness and width through various methods, such as hot rolling, cold rolling, and slitting. Hot rolling involves passing the steel strip through a series of rollers at high temperatures, while cold rolling involves the same process at lower temperatures. Slitting is another method used to customize steel strips, where a large coil is cut into smaller strips of desired widths. These customization options allow for the production of steel strips with precise dimensions to meet the specific needs of various industries, such as automotive, construction, and manufacturing.
- Q:How are steel strips tempered for improved toughness?
- Steel strips are tempered for improved toughness through a process known as heat treatment. This process involves heating the steel strips to a specific temperature, typically between 300-700 degrees Celsius, and then cooling it rapidly. This rapid cooling is done by quenching the steel in oil, water, or air, depending on the desired level of toughness. During the heating stage, the steel strips undergo a transformation known as austenitization, where the crystal structure of the steel changes. This results in the formation of a hard and brittle phase called martensite. While martensite provides high hardness, it lacks toughness and is prone to cracking under stress. To improve toughness, the steel strips are then subjected to the tempering process. During tempering, the steel strips are reheated to a lower temperature, typically between 150-300 degrees Celsius, and held at that temperature for a specific duration of time. This allows the martensite to transform into a more ductile phase called tempered martensite. The tempering process helps to relieve internal stresses within the steel strips, reduce brittleness, and improve toughness and ductility. It also allows for the adjustment of the final mechanical properties based on the specific requirements of the application. Overall, steel strips are tempered for improved toughness by subjecting them to a carefully controlled heat treatment process, which transforms the hard and brittle martensite phase into a more ductile tempered martensite phase. This ensures that the steel strips possess the desired combination of hardness and toughness for various industrial applications.
- Q:What are the different surface coatings available for steel strips?
- There are several different surface coatings available for steel strips, each offering unique benefits and characteristics. Some of the common surface coatings include: 1. Zinc Coatings: Zinc coatings are widely used to protect steel strips from corrosion. These coatings can be applied through various processes such as hot-dip galvanizing, electroplating, or zinc-rich paint. Zinc coatings provide excellent corrosion resistance and can be used in various environments. 2. Organic Coatings: Organic coatings, such as paints or powder coatings, are often used to provide an aesthetically pleasing appearance to steel strips. These coatings can also provide additional protection against corrosion and can be customized to meet specific requirements, such as color or texture. 3. Phosphate Coatings: Phosphate coatings are applied to steel strips to improve their corrosion resistance and provide a good base for subsequent painting or powder coating. These coatings also enhance the adhesion of organic coatings, making them an ideal choice for applications where paint or powder coating is desired. 4. Chromate Coatings: Chromate coatings, commonly known as conversion coatings, are applied to steel strips to improve their corrosion resistance and enhance the adhesion of organic coatings. These coatings are typically used in industries where high corrosion resistance is required, such as automotive or aerospace. 5. Tin Coatings: Tin coatings are often applied to steel strips to provide a protective layer against corrosion. These coatings are commonly used in food packaging applications, as tin is non-toxic and can prevent the steel from reacting with food or beverages. 6. Aluminum Coatings: Aluminum coatings, such as aluminum-zinc alloy coatings, are used to provide exceptional corrosion resistance to steel strips. These coatings are often used in highly corrosive environments or for long-term outdoor exposure. 7. Epoxy Coatings: Epoxy coatings are applied to steel strips to provide excellent chemical resistance and high durability. These coatings are commonly used in industrial applications where the steel is exposed to harsh chemicals or extreme conditions. It is important to consider the specific requirements of the application when choosing a surface coating for steel strips. Factors such as corrosion resistance, aesthetics, adhesion, and environmental conditions should be taken into account to select the most suitable coating.
- Q:How are steel strips used in the production of signage?
- Steel strips are commonly used in the production of signage as a durable and versatile material for mounting and reinforcing sign panels. They are often used as a backing or frame for signs, providing stability and strength. Additionally, steel strips can be used to attach sign components, such as letters or graphics, securely to the sign panel. Their resistance to bending and warping makes them ideal for outdoor signage that needs to withstand harsh weather conditions. Overall, steel strips play a crucial role in ensuring the structural integrity and longevity of signage.
- Q:What is the yield strength of steel strips?
- The yield strength of steel strips differs based on the unique grade and composition of the steel. Typically, steel strips possess a yield strength ranging from 210 to 550 megapascals (MPa). Yield strengths surpassing 1000 MPa are achievable in higher strength steels like high-strength low-alloy (HSLA) or advanced high-strength steel (AHSS). It should be emphasized that the specific yield strength will also be influenced by variables like the thickness and processing of the steel strips.
- Q:Can steel strips be cold-formed or bent?
- Yes, steel strips can be cold-formed or bent.
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Prepainted Zinc/aluzinc Steel Sheet In Coils
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 10000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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