Prepainted Galvanized/Aluzing Steel coil for Roofings

Prepainted Galvanized/Aluzing Steel coil for Roofings

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 50 m.t.

Supply Capability:: 10000 m.t./month

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Product Details

Basic Info.

Model NO.:G550, FULL HARD, SGHC

Type:Steel Coil

Standard:ASTM, GB, JIS

Certification:ISO, SGS, BV

Surface Treatment:Coated

Technique:Hot Rolled

Special Use:High-strength Steel Plate

Base Metal:Galvanized or Galvalume Steel

Width:914/1000/1200/1219/1220/1250mm

Thickness:0.16-1.2mm

Zinc-Coating:Z50-150G/M2 or Az40-100G/M2

Top Side Painting:15-25 Micron

Back Side Painting:5-8 Micron

Colour:Ral Standard or According to Customers′ Requirment

Coil Weight:3-6 Mt

Coil ID:508/610 Mm

Export Markets:North America, South America, Eastern Europe, Southeast Asia, Africa, Mid East, Eastern Asia

Additional Info.

Packing:Seaworthy Packing

Standard:0.135-1.2MM

Origin:China, Shandong

HS Code:72107000

Production Capacity:180000mt

Product Description:

1. Standard: AISI, ASTM, BS, DIN, GB, JIS, ASTM, JIS, GB
2. Steel Grade: DX51D, SGCC, SGCH, SPCC, SPCD, DC01, ST12, ST13, Q195, 08AL
3. Thickness: 0.13-0.5mm
4. Width: 600-1250mm
5. Length: Up to The Thickness or as require
6. Spangle: Zero, Mini, Regular, Big, Skin Pass
7. Audited Certificates: BV, SGS, ISO, CIQ
8. Zinc Coating: 40g-200g
9. Surface: Chromated, dry/oiled, Cr3 treated anti-finger
10. Package: Standard exporting package (or as required)
11. ID: 508/610mm

Specification:

commodity	Color Coated Steel Coil (PPGI/ PPGL)
Techinical Standard:	JIS G3302-1998, EN10142/10137, ASTM A653
grade	TSGCC, TDX51D / TDX52D / TS250, 280GD
Types:	For general / drawing use
Base metal	galvanized, galvalume, cold rolled steel
Thickness	0.14-1.0mm(0.16-0.8mm is the most advantage thickness)
Width	610/724/820/914/1000/1200/1219/1220/1250mm
Type of coating:	PE, SMP, PVDF
Zinc coating	Z60-150g/m2 or AZ40-100g/m2
Top painting:	5 mic. Primer + 15 mc. R. M. P.
Back painting:	5-7 mic. EP
Color:	According to RAL standard
ID coil	508mm / 610mm
Coil weight:	4--8MT
Package:	Properly packed for ocean freight exportation in 20' ' containers
Application:	Industrial panels, roofing and siding for painting / automobile
Price terms	FOB, CFR, CIF
Payment terms	20%TT in advance+80% TT or irrevocable 80%L/C at sight
delivery time	25 days after recepit of 20% TT
Remarks	Insurance is all risks
	MTC 3.1 will be handed on with shipping documents
	We accept SGS certificatation test

Details of Type:

Prepainted Galvanized/Aluzing Steel coil for Roofings

FAQ:

1.What's your MOQ?
25MT, it is for one container.
2.Do you have QC teams?
Yeah, sure, our QC team is very important, they will keep the quality control for our products.
3. What's your normal delivery time?
Our delivery time about 10-20days for standard sizes, if you have other requirements like hardness and width ,it is about 20-40days. But don't worry ,we also try our best for the delivery time ,because time longer and our cost is higher.
4.Are the products tested before shipping?
Yes, all of our PPGI and GI was qualified before shipping. We test every batch every day.

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Q:Can steel coils be painted?: Yes, steel coils can be painted. Painting steel coils not only enhances their aesthetic appearance but also provides a protective coating against corrosion and other environmental factors. The coils are typically pre-treated and primed before the application of paint to ensure proper adhesion and durability.

Q:I've created something but it's a huge secret. Anyways I need to know everything and anything about steel. Like the iron steel. ANYTHING AND EVERYTHING. Best answer goes to the person with the most correct information. Please this is really important.: If you want to know everything about steel, there's no way you're going to get an answer on Yahoo that is comprehensive enough. What you want to do is get some books on steel metallurgy, engineering properties of materials, and maybe machine design depending on your application. Topics will include molecular structure, material properties, alloying, stress and strain, work hardening, creep, computing damage and lifetime cycles, corrosion, toughness vs hardness, heat treating, and a ton of others. If you want to sharpen steel, that is a whole topic in itself concerning different blade profiles and their sharpness, edge holding, ease of sharpening, type of grind etc.

Q:How are steel coils labeled and identified?: Steel coils are typically labeled and identified using various methods such as tags, stickers, or printed markings. These labels usually contain important information including the coil's dimensions, weight, grade, manufacturer, and any specific customer requirements. Additionally, unique identification numbers or barcodes may be used for easy tracking and inventory management.

Q:How are steel coils inspected for chemical composition using spectroscopy?: Steel coils can be inspected for their chemical composition using spectroscopy, specifically techniques like X-ray fluorescence (XRF) or laser-induced breakdown spectroscopy (LIBS). In XRF, an X-ray beam is directed onto the surface of the steel coil, causing the atoms in the sample to emit characteristic X-ray fluorescence radiation. By analyzing the energy and intensity of these emitted X-rays, the elemental composition of the steel can be determined. XRF is a non-destructive and rapid technique, allowing for quick and accurate assessment of the chemical composition of the steel coil. LIBS, on the other hand, involves focusing a laser beam onto the surface of the steel coil, creating a high-temperature plasma. The plasma emits light, which is then collected and analyzed using a spectrometer. The emitted light contains characteristic atomic and ionic emissions, allowing the identification and quantification of various elements present in the steel. LIBS is also a non-destructive technique, providing real-time results and requiring minimal sample preparation. Both XRF and LIBS offer advantages in terms of speed, non-destructiveness, and ease of use for inspecting steel coils for their chemical composition. These spectroscopic techniques play a crucial role in quality control and assurance, ensuring that the steel meets the required specifications and standards for various industrial applications.

Q:What is the average width tolerance for steel coils?: The average width tolerance for steel coils can vary depending on the specific industry and application. However, in general, the standard width tolerance for steel coils is typically around ±0.005 to ±0.020 inches.

Q:How are steel coils used in the manufacturing of automotive fuel tanks?: Steel coils are used in the manufacturing of automotive fuel tanks as they provide strength, durability, and resistance to corrosion. These coils are formed and welded into shape to create the fuel tank, ensuring it can withstand the pressure and vibrations associated with storing and transporting fuel safely.

Q:How are steel coils used in the manufacturing of exhaust manifolds?: Steel coils are used in the manufacturing of exhaust manifolds as they provide the raw material for creating the manifold's structural components. These coils are typically cut, shaped, and welded to form the intricate and durable design required for efficient exhaust gas flow.

Q:why does steel have a density range when other metals do not?: Steel is not a pure element it is an alloy. Steel is primarily iron but it has many elements blended in that change it's density including carbon,silicon, nickel, chrome, etc. Aluminum and copper , magnesium and so forth can be the pure element or they can be alloys too. If they are alloys, then their densities vary also

Q:What are the challenges in coil blanking for complex shapes?: Coil blanking for complex shapes presents several challenges that need to be addressed in order to achieve accurate and efficient results. One significant challenge lies in the precise positioning and alignment of the coil material. Complex shapes often require intricate cutting patterns, and any misalignment or deviation can lead to inaccurate cuts and wasted material. Another challenge is the selection and optimization of the blanking tooling. Complex shapes often require specialized dies and punches, which need to be carefully designed and manufactured to ensure accuracy and consistency. This not only involves the selection of appropriate tooling materials but also the consideration of factors such as cutting forces, wear resistance, and tool life. The complexity of the shapes also poses challenges in terms of material deformation and springback. During the blanking process, the material undergoes various deformations and stresses, which can cause distortions and dimensional variations in the final product. Achieving the desired shape while minimizing these deformations requires a thorough understanding of material properties and advanced techniques such as compensation and adjustment in the die design. Furthermore, the high-speed nature of coil blanking for complex shapes can lead to increased vibration and noise levels. The dynamic forces involved in cutting intricate shapes can result in tool chatter and excessive noise, which not only affects the quality of the cut but also the overall operational efficiency. Implementing effective damping and vibration control measures, such as tool coatings and optimized cutting parameters, is crucial to mitigate these challenges. Lastly, the complexity of the shapes can also impact the overall production efficiency. Complex shapes often require longer tool setup times and more frequent tool changes, which can lead to increased downtime and reduced productivity. Additionally, the intricate nature of the cuts may require multiple passes or additional machining operations, further adding to the production time and complexity. To overcome these challenges, manufacturers need to invest in advanced technologies, such as computer-aided design and simulation software, to optimize the blanking process. Additionally, continuous research and development efforts focused on improving tooling materials, cutting techniques, and process control can help address the challenges associated with coil blanking for complex shapes.

Q:How are steel coils used in the production of shipping pallets?: Steel coils are used in the production of shipping pallets to reinforce the structure and provide additional strength and stability. The coils are typically placed within the wooden frame of the pallet to prevent bending, warping, or breaking during the transportation and storage of heavy goods.

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