HOT DIP Galvanized steel coils Z40-Z600 System 1

HOT DIP Galvanized steel coils Z40-Z600

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 10000 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	40g,60g, 80g, 90,100g, 120g, 140g,180g, 200g, 250g, 275g and so on.
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:I know that they have steel shot in smaller sized pellets....say, number 4 shot. I guess it's for waterfowl, etc.Do they make steel buckshot? If not, why not? Would the pellets be too heavy? Wouldn't they have excellent penetration ability?: I know of no one who makes steel buckshot. Probably for several reasons. Steel is much lighter than lead. Penetration depends on energy, which is the weight of the pellet vs. the velocity of the pellet, equated into ft.lbs. Steel pellets have to travel much faster to achieve the same energy as a lead pellet. Steel, being lighter, would lose energy much faster downrange. The weight difference would be like teeing up a golf ball, and striking it with a club, and teeing up a ping pong ball and striking it with a club. The distance in flight would be obvious. Steel also, is much harder than lead, and would be hard on the barrel, and choke. It also would not deform, which would cause ricochets. Steel shot was a handicap for waterfowler's when the USFWS made non toxic shot mandatory. Waterfowl are bottom feeders, and they were eating the spent lead pellets, and dying from lead poisoning. Steel shot cut the effective range of a shotgun from 45 yards to around 35, and resulted in many cripples and lost birds. Environmetal, makes a T size shot which is .20 caliber, and is called Hevi-shot. Lead is heavier than steel, and Hevi-shot is heavier than lead. At the same velocity, you have 12 to 15% more energy than lead. and probably 20% better than steel....Hope this helps

Q:I'm getting my nose pierced, meaning that i have to keep the piercing in for a prolonged time. i've always had reactions when wearing sterling silver or fake earrings (i dont know what types of metal they were) after wearing it overnight. Will I get a reaction on my nose piercing if the stud is surgical steel?: The chances of a reaction from the stud is minimal. Surgical steel is an alloy specifically designed to make sterile safe surgical equipment. Often made with titanium or nickel, surgical steel is highly reactive and forms an oxidized layer when made. This layer creates a stable surface. The titanium and nickel are both very hard and resistant to scratches which make for easy sterilization. This will help keep your piercing clean. Be sure to follow the directions you receive when you get your piercing and keep it clean.

Q:How are steel coils used in the production of steel tanks?: Steel tanks rely on steel coils as a vital element in their production. These coils, typically made from top-notch steel, act as the primary raw material for manufacturing steel tanks. The initial step involves unrolling and flattening the steel coils, which are usually supplied in a coiled form from the steel mills. Once unrolled, the coils are then cut into specific lengths and widths, depending on the desired dimensions of the steel tank. These cut pieces are molded and shaped into various tank components, including the cylindrical body, top and bottom ends, and additional fittings or accessories. The strength and durability of the tank heavily depend on the steel coils, ensuring its ability to withstand the demands of its intended use. The quality of the steel used in the coils is pivotal as it determines the tank's resistance to corrosion, pressure, and external forces. Additionally, employing steel coils enables efficient and cost-effective manufacturing of steel tanks. The standardized nature of the coils ensures consistent quality and dimensions, streamlining the production process. Precise cutting of the coils also minimizes waste and maximizes material utilization. Furthermore, steel coils offer design flexibility and customization options. They are easily formed and welded into intricate shapes, accommodating tanks of varying sizes, capacities, and configurations. This versatility makes steel coils the ideal choice for producing tanks across diverse sectors, including industrial, commercial, and residential applications. In conclusion, steel coils play a critical role in steel tank production. They provide the necessary raw material for manufacturing different tank components, guaranteeing strength, durability, and customization. By utilizing steel coils, manufacturers can efficiently produce high-quality tanks that meet the specific requirements of various industries.

Q:What are the common methods of forming steel coils?: There are several common methods for forming steel coils, each with its own unique advantages and applications. The most common method is known as hot rolling. This involves heating a large steel slab to a high temperature and passing it through a series of rollers to reduce its thickness. The steel is then coiled into a large, continuous roll. Hot rolling is typically used for producing steel coils with a consistent thickness and a smooth surface finish. It is commonly used in industries such as automotive, construction, and manufacturing. Another method is cold rolling, which is similar to hot rolling but is performed at room temperature. Cold rolling involves passing the steel through a set of rollers to further reduce its thickness and improve its surface finish. This process is often used to produce steel coils with precise dimensions and excellent mechanical properties. Cold-rolled steel coils are commonly used in applications that require high strength, such as in the production of appliances, electrical components, and structural components. A third method is known as galvanizing. This involves coating the steel coil with a layer of zinc to protect it from corrosion. The steel coil is first cleaned and then immersed in a bath of molten zinc. The zinc adheres to the surface of the steel, forming a protective layer. Galvanized steel coils are widely used in outdoor applications, such as roofing, fencing, and automotive parts, due to their excellent corrosion resistance. Lastly, there is the electro-galvanizing method. This process involves applying a thin layer of zinc to the surface of the steel coil through an electroplating process. The steel coil is immersed in an electrolyte solution and an electric current is passed through it, causing the zinc to deposit onto the surface of the steel. Electro-galvanized steel coils are commonly used in industries that require a smooth and aesthetically pleasing finish, such as in the production of appliances, automotive parts, and decorative items. Overall, these common methods of forming steel coils provide a wide range of options for different applications and requirements. Whether it is hot rolling, cold rolling, galvanizing, or electro-galvanizing, each method offers unique benefits in terms of strength, durability, surface finish, and corrosion resistance.

Q:Can steel coils be coated with thermally conductive materials?: Yes, steel coils can be coated with thermally conductive materials. These materials are designed to enhance the heat transfer capabilities of the steel coils, allowing for efficient dissipation of heat in various applications such as electronics, automotive, and industrial processes.

Q:How are steel coils inspected for camber using laser profiling?: The inspection of steel coils for camber involves the use of laser profiling, a measurement technique that does not require physical contact. Laser profiling works by emitting a laser beam onto the surface of the steel coil, creating a detailed profile of its surface. To detect camber, the laser profiling system scans the entire length and width of the coil, capturing data points at regular intervals. These data points are then analyzed to determine the deviation from a straight line, indicating the presence of camber. During the inspection process, the measured profile of the steel coil is compared to a reference profile, which represents an ideal or straight surface. The deviation between the measured profile and the reference profile is calculated, and if it exceeds a predetermined threshold, the coil is flagged as having camber. The use of laser profiling offers several advantages for camber inspection of steel coils. Firstly, it eliminates the need for physical contact, reducing the risk of damage. Additionally, laser profiling is highly accurate, capable of detecting even small deviations in the coil's surface. This ensures reliable detection of camber, allowing for necessary corrective actions to be taken. Overall, laser profiling is an efficient and accurate method for inspecting steel coils for camber. It enables manufacturers to maintain high-quality standards and deliver reliable products to customers.

Q:What are the challenges in the production of steel coils?: The production of steel coils faces several challenges. Firstly, one of the major challenges is ensuring consistent quality throughout the production process. Steel coils need to have uniform thickness, width, and flatness. Achieving this consistently can be challenging due to variations in raw materials, equipment, and operating conditions. Another challenge is managing the high temperatures involved in the production process. Steel coils are produced by heating steel slabs or billets to extremely high temperatures and then rolling them into coils. Maintaining the required temperatures and ensuring proper cooling can be a complex task, as any deviations can lead to inconsistencies in the final product. Furthermore, the production of steel coils requires a significant amount of energy. The steel industry is one of the largest energy consumers globally. Reducing energy consumption while maintaining production efficiency is a constant challenge. Implementing energy-efficient technologies and optimizing processes are necessary to address this challenge. Moreover, the production of steel coils generates a considerable amount of waste and emissions. Steel manufacturing involves various chemical reactions and releases pollutants such as carbon dioxide, sulfur dioxide, and particulate matter. Managing and minimizing these emissions to comply with environmental regulations is a significant challenge for the industry. Additionally, steel coils are often produced in large quantities, requiring efficient logistics and transportation systems. Ensuring timely delivery and minimizing damage during transportation can be a challenge due to the weight and size of the coils. Lastly, the steel industry faces market challenges, including fluctuating prices of raw materials, competition from other materials, and global economic conditions. Adapting to market demands and maintaining competitiveness is crucial for the sustainable production of steel coils. Overall, the challenges in the production of steel coils include maintaining consistent quality, managing high temperatures, reducing energy consumption and emissions, optimizing logistics and transportation, and adapting to market dynamics. Addressing these challenges requires continuous innovation, technological advancements, and a focus on sustainability.

Q:What are the challenges in coil leveling for coated steel?: Coil leveling for coated steel presents several challenges due to the additional layer of coating. Firstly, the coating can be sensitive to pressure and friction, making it prone to damage during the leveling process. Maintaining the integrity of the coating while achieving the desired flatness of the steel is a delicate balance. Additionally, the thickness of the coating can vary across the coil, leading to uneven leveling results. The choice of leveling equipment and parameters must be carefully determined to minimize coating damage and ensure consistent flatness throughout the coil. Moreover, the presence of coating can impact the accuracy of leveling measurements, as it may interfere with the sensors or affect the readings. These challenges require careful attention and expertise to successfully level coated steel coils while preserving the quality of the coating.

Q:Okay, I have looked all ovcer the net and it says diamonds are stronger, but why? I mean, why is diamonds used for the top equiptment rather than steel?: Diamonds okorder

Q:How are steel coils stored to prevent damage?: In order to prevent damage and maintain their integrity, steel coils are stored in a manner that is designed to minimize risks. One common approach involves horizontally stacking the coils, which helps evenly distribute the weight and reduces the likelihood of deformation or damage. Additionally, each layer of coils is often separated by wooden or steel dunnage to provide support and prevent shifting during storage or transportation. To protect the coils from harm, they are frequently stored indoors or in covered areas to shield them from exposure to the elements. This precaution serves to prevent rusting or corrosion, which could compromise the steel's quality. In situations where outdoor storage is necessary, weather-resistant tarps or protective coatings may be used to minimize the potential impact of rain, snow, or sunlight. Moreover, it is essential to consider the height at which the coils are stacked in order to avoid applying excessive pressure on the lower coils. To prevent damage, coils are typically stacked in a manner that ensures the weight from the upper layers is evenly distributed across the lower ones. This may involve the utilization of specialized stacking equipment or racks that are specifically designed to handle the weight and dimensions of the coils. In summary, the proper storage of steel coils entails careful attention to weight distribution, protection from the elements, and minimizing contact between coils to prevent damage and preserve their quality.

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