Hot dip galvanized steel coils Z40-Z600 DX51D

Hot dip galvanized steel coils Z40-Z600 DX51D System 1

Hot dip galvanized steel coils Z40-Z600 DX51D

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 100000 m.t./month

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Specifications

galvanized steel coil
1.Thickness:0.135-4.0mm
2.Width:600-1500mm
3.Zinc:40g-275g
4.Material:SGCC,DX51D,G550,SPGC,etc.

product name	Galvanized steel coils
thickness	0.135mm-4.0mm
width	600mm-1500mm762mm,914mm,1000mm,1200mm,1219mm,1250mm
zinc coating	Z40-Z600
standard	ASTM, AISI, DIN, GB
material	SGCC,DC51D,DX51D,DX52D,,SGCD,Q195,Q235,SGHC,DX54D, S350 GD, S450 GD,S550 GD
spangle	zero spangle, regular spangle or normal spangle
surface treatment	chromated and oiled, chromated and non-oiled
packing	export standard.
payment	T/T, L/C or DP
min order	25 tons (one 20ft FCL)
coil weight	3-8ton or as client requirement.
quality	soft or hard quality

Galvanized steel coils

STEEL GRADE	CHEMICAL COMPOSITION %						MECHANIC PROPERTY				C.B OF COATING		COATING
	C	Si	Mn	S	P	T.S		Y.S	E.L
	x103	x103	x102	x103	x103	Mpa		Mpa	%	d=0 180°		G/M²
JIS G3302 SGCC	12	30	41	31	21	480		300	13	OK		Z60-150
JIS G3302 SGCH	12	10	21	18	8	680		650		OK		Z60-150
ASTM A653 CS.B	20	30	60	35	30	386		205~380	20	OK		Z80-275
DX51D+Z	29	21	18	1.8	11	355		245	38	OK		Z80-275
G550	20	6	73	5	17	715		654	8	OK		Z80-275

Q: How are steel coils coated for added protection?: To enhance their durability and resistance to corrosion, steel coils undergo a process known as coil coating, wherein a protective layer is applied onto their surfaces. There are several methods employed to coat steel coils, but the most commonly used one is the continuous coil coating process. Under this process, the steel coil is unwound and extensively cleansed to eliminate any contaminants or impurities on its surface. This step ensures proper adhesion of the coating material. Once the steel coil is cleansed, it undergoes a pre-treatment to enhance its surface properties. Typically, this involves the application of a chemical solution or a conversion coating onto the coil's surface. The aim of this step is to create a surface that is receptive to the coating material and improves its adhesion. Following the pre-treatment, the steel coil is coated with a protective layer, which can be in the form of liquid paint, powder coating, or a combination of both. The coating material is applied evenly onto the coil's surface using techniques like roll coating, spray coating, or electrostatic coating. Once the coating is applied, the steel coil is cured or dried using heat or, in some cases, ultraviolet light. This curing process ensures a strong bond between the coating material and the steel surface, resulting in the desired protective properties. The coated steel coil then undergoes inspection to ensure quality control measures like thickness, adhesion, and appearance are met. If the specifications are satisfied, further processing may take place, involving cutting, slitting, or forming the coil into the desired shape or size. In conclusion, the process of coating steel coils for added protection involves thorough cleansing, pre-treatment, application of a protective coating, curing, and quality control. This ensures that the steel coils exhibit excellent resistance to corrosion, abrasion, and other environmental factors, making them suitable for a wide range of applications across various industries.

Q: Are steel coils used in construction?: Yes, steel coils are commonly used in construction. They are often used in the manufacturing of structural components, such as beams, columns, and trusses, as well as in the construction of metal buildings and infrastructure projects. Steel coils provide strength, durability, and versatility to various construction applications.

Q: What are the challenges faced in the recycling of steel coils?: The recycling of steel coils presents several challenges that must be overcome. To start, the collection and sorting process poses a significant hurdle. Steel coils are often utilized in large-scale industries and construction projects, making it challenging to gather and transport them for recycling purposes. Moreover, steel coils can become mixed with other materials, such as plastic or wood, further complicating the sorting process. Another obstacle is the size and weight of steel coils. Given that steel is a heavy material, handling and processing large coils can be quite difficult. Specialized equipment and machinery may be necessary to efficiently move and separate the coils, thereby increasing the cost and complexity of the recycling process. Additionally, the recyclability of steel coils can be impacted by varying quality. These coils may contain impurities or contaminants, such as oil or paint, that must be eliminated before recycling. Such impurities can compromise the integrity and quality of the recycled steel, making it less desirable for certain applications. Moreover, the recycling of steel coils demands substantial energy and resources. Melting down the steel requires a significant amount of energy, while the transportation and processing of the coils also consume resources and contribute to carbon emissions. Consequently, the environmental friendliness of the recycling process can be diminished. Lastly, the viability of the recycling industry can be influenced by fluctuating market demand for recycled steel coils. The demand for steel products can vary depending on economic conditions and industry trends, making it challenging for recyclers to find buyers for their recycled coils. This can potentially result in stockpiling or disposal difficulties. In conclusion, while recycling steel coils offers environmental benefits and resource conservation, several challenges must be addressed for its successful implementation. These challenges encompass collection and sorting, handling and processing, quality control, energy and resource consumption, as well as market demand.

Q: How are steel coils used in the production of metal roofing?: Steel coils are used in the production of metal roofing by being fed through a series of machines that shape, cut, and coat the steel to create the final roofing product. The coils are uncoiled and flattened, then formed into the desired profile using roll forming machines. The formed sheets are then cut into specific lengths and coated with protective layers to enhance durability and corrosion resistance. These coated steel sheets are then packaged and shipped to construction sites for installation as metal roofing.

Q: What are the dimensions of steel coils used in the HVAC industry?: The dimensions of steel coils used in the HVAC industry can vary depending on the specific application and requirements of the system. However, there are standard dimensions that are commonly used. One common dimension for the width of steel coils used in HVAC systems is around 24 inches (or 2 feet). This width allows for efficient airflow and heat transfer within the system. The thickness of the steel coils can also vary, but a common range is between 0.020 inches to 0.060 inches. Thicker coils may be used for heavy-duty applications or systems that require higher performance, while thinner coils are suitable for lighter-duty or more cost-effective systems. As for the length of the coils, it can also vary depending on the specific needs of the HVAC system. Coils are often produced in standard lengths, such as 50 feet or 100 feet, but they can be customized to meet specific requirements. It is important to note that these dimensions are just general guidelines and can vary depending on the manufacturer, supplier, and specific HVAC system requirements. Consulting with industry professionals or manufacturers can provide more specific information on the dimensions of steel coils for a particular HVAC system.

Q: Does the solution change, or does only the steel wool change color?: Steel is an iron alloy, and iron is more reactive than copper, so what you'd see is the blue colour of the solution becoming lighter, and a black precipitate appearing on the steel wool.

Q: What are the common coil packaging materials?: The common coil packaging materials include stretch film, shrink wrap, steel strapping, and wooden or cardboard cradles.

Q: I have a knife with AUS8 Stainless Steel. No idea what that means. I want to know some of the best stainless steels for knifes and all you can tell me about stainless steel would be great. I was browsing google and looking at grades and had no idea what all the numbers meant. Thanks!: Ok so listen she already likes me what should I say

Q: tinplate,hot rolled coil,hot rolled sheet,cold rolled coil,cold rolled sheet,d bar,wire rod,triangle,structural steel,steel pipe,steel tube,carbon steel pipe: Here are the top 30 steel producing companies in the world, listed by the megaton output: 1. 63.0 Mton Mittal Steel Company NV (Global) [2] 2. 46.7 Mton Arcelor (Europe) [3] 3. 32.0 Mton Nippon Steel (Japan) [4] 4. 30.5 Mton POSCO (South Korea) [5] 5. 29.9 Mton JFE (Japan) [6] 6. 23.8 Mton Shanghai Baosteel Group Corporation (China) 7. 19.3 Mton United States Steel Corporation (United States) 8. 18.4 Mton Nucor Corporation (United States) 9. 18.2 Mton Corus Group (Europe) [7] 10. 17.5 Mton Riva Group (Europe) [8] 11. 16.5 Mton ThyssenKrupp (Europe) [9] 12. 16.1 Mton Tangshan (China) 13. 13.9 Mton EvrazHolding (Russia) 14. 13.7 Mton Gerdau (Brazil) 15. 13.6 Mton Severstal (Russia) 16. 13.5 Mton Sumitomo Metal Industries (Japan) 17. 13.4 Mton SAIL (India) 18. 12.0 Mton Wuhan Iron and Steel (China) 19. 11.9 Mton Anshan (China) 20. 11.4 Mton Magnitogorsk (Russia) 21. 10.5 Mton Jiangsu Shagang (China) 22. 10.5 Mton Shougang (China) 23. 10.4 Mton Jinan (China) 24. 10.3 Mton Laiwu (China) 25. 10.3 Mton China Steel (Taiwan) [10] 26. 9.6 Mton Maanshan 27. 9.4 Mton Imidro 28. 8.7 Mton Techint 29. 8.7 Mton Usiminas (Brazil) 30. 8.5 Mton Novolipetsk (Russia)

Q: What are the different methods of edge camber correction for steel coils?: There are several methods for edge camber correction in steel coils, including mechanical methods, thermal methods, and combination methods. Mechanical methods involve using tension leveling or roller leveling processes to straighten the edges of the coil. Thermal methods involve using heat to soften the steel and then applying pressure to straighten the edges. Combination methods involve using a combination of mechanical and thermal processes to correct the edge camber of the steel coils.

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