Prime Galvalume steel coils

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Loading Port:: China Main Port

Payment Terms:: TT OR LC

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Excellent Hot-Dip Galvanized/ Aluzinc Steel DX51D

Commodity	Hot dip galvanized steel coil and sheet
Technical Standard:	JIS 3302 / ASTM A653 / EN10143
Grade	DX51D / DX52D/ DX53D/ S250,280,320GD
Types:	Commercial / Drawing / Deep Drawing / Structural quality
Width	500/650/726/820/914/1000/1200/1219/1220/1250mm
Thickness	0.12-2.8mm
Type of coating:	Galvanized
Zinc coating	Z30-275g/m2
Surface Treatment	Chromed / Skin-pass/ Oiled/Slightly Oiled/ Dry/ Anti-fingerprint
Surface structure:	Zero spangle / minimized spangle / regular spangle/ big spangle
ID coil	508mm or 610mm
Coil weight	3-8 MT per coil
Package:	Properly packed for ocean freight exportation in 20''containers
Application:	Industrial panels, roofing and siding for painting
Price terms	FOB,CFR,CIF
Payment terms	T/T or L/C
Delivery time	Within 30 days
Remarks	Insurance is all risks
	MTC will be handed on with shipping documents
	We accept the third party certification test,such as SGS/BV

Technical data :

Hot dipped galvanized coil Technical Data

Chemical Composition
GRADE	C	Si	Mn	P	S	Ti
SGCC/DX51D+Z	≤0.10	≤0.50	≤0.60	≤0.10	≤0.030	≤0.020
DX52D+Z	≤0.10	≤0.50	≤0.60	≤0.10	≤0.030	≤0.020
SGCD/DX53D+Z	≤0.10	≤0.30	≤0.50	≤0.05	≤0.030	≤0.020
SGCE/DX54D+Z	≤0.10	≤0.30	≤0.30	≤0.03	≤0.020	≤0.020
DX56D+Z	≤0.10	≤0.30	≤0.30	≤0.03	≤0.020	≤0.020
Structural	≤0.20	≤0.60	≤1.70	≤0.10	≤0.045

Hot dipped galvanized steel coil Mechanical Properties
GRADE	Yield Strength MPa	Tensile Strength MPa	Elongation %
SGCC(DX51D+Z)	≥205	≥270	-
SGCD(DX53D+Z)	-	≥270	38
SGCE(DX54D+Z)	-	≥270	40
DX56D+Z	-	≥270	42

Q:How are steel coils used in the production of metal staircases?: Steel coils are used in the production of metal staircases as the main raw material. They are uncoiled and cut into sheets, which are then shaped and welded to create the structural components of the staircase, such as the stringers and treads. The strength and durability of steel make it an ideal material for constructing sturdy and long-lasting staircases.

Q:Can steel coils be stored in unheated warehouses?: Yes, steel coils can be stored in unheated warehouses. Steel coils are not typically affected by low temperatures, as they are durable and resistant to cold weather conditions. However, it is important to ensure that the warehouse is dry and free from moisture, as prolonged exposure to dampness can cause rust and corrosion on the steel coils.

Q:How are steel coils transported?: Steel coils are typically transported using specialized flatbed trucks or railcars. The coils are carefully loaded onto these vehicles and secured using straps or chains to prevent any movement during transit. In some cases, shipping containers are also used to transport steel coils via cargo ships.

Q:and what type of metal is steel?: Steel is an alloy consisting mostly of iron, with a carbon content between 0.2% and 2.14% by weight (C:110–10Fe), depending on grade. Carbon is the most cost-effective alloying material for iron, but various other alloying elements are used such as manganese, chromium, vanadium, and tungsten. Carbon and other elements act as a hardening agent, preventing dislocations in the iron atom crystal lattice from sliding past one another. Varying the amount of alloying elements and form of their presence in the steel (solute elements, precipitated phase) controls qualities such as the hardness, ductility, and tensile strength of the resulting steel. Steel with increased carbon content can be made harder and stronger than iron, but is also more brittle.

Q:How do steel coils contribute to energy efficiency in transportation?: Steel coils contribute to energy efficiency in transportation in several ways. Firstly, steel coils are lightweight and have a high strength-to-weight ratio. This means that less steel material is required to carry the same load compared to other materials, such as wood or concrete. As a result, the overall weight of the transport vehicle is reduced, which leads to lower fuel consumption and emissions. Secondly, steel coils are highly durable and can withstand harsh conditions during transportation. They have excellent resistance to corrosion, impact, and fatigue, ensuring a longer lifespan for the transport vehicle. This durability reduces the need for frequent repairs or replacements, resulting in reduced energy consumption and material waste. Furthermore, steel coils are easy to handle and transport. They can be easily loaded and unloaded from trucks, trains, or ships due to their compact and standardized size. This efficiency in handling reduces the time and energy required for loading and unloading operations, thereby increasing overall transportation efficiency. Additionally, steel coils can be efficiently stacked and stored, maximizing the use of available space in transport vehicles. This reduces the number of trips required to transport the same amount of goods, resulting in less energy consumption and lower transportation costs. Lastly, steel is a highly recyclable material. At the end of their life cycle, steel coils can be easily recycled and used to produce new steel products. This reduces the demand for raw materials and the energy required for manufacturing new products, contributing to overall energy efficiency in transportation. In conclusion, steel coils contribute to energy efficiency in transportation through their lightweight, durable, easy-to-handle, and recyclable nature. These characteristics result in reduced fuel consumption, lower emissions, decreased maintenance needs, efficient use of space, and reduced material waste, all leading to a more sustainable and energy-efficient transportation system.

Q:How are steel coils used in the manufacturing of roofing materials?: Steel coils are used in the manufacturing of roofing materials as they serve as a primary raw material for producing metal roofing sheets and tiles. These coils are processed through a series of steps such as cleaning, coating, and shaping to create durable and weather-resistant roofing products. The steel coils are rolled out and cut into the desired size and shape, ensuring uniformity and precision in the manufacturing process. These roofing materials made from steel coils offer exceptional strength, longevity, and protection against various weather conditions, making them a popular choice for residential and commercial buildings.

Q:How are steel coils inspected for coil weight accuracy after processing?: Steel coils are inspected for coil weight accuracy after processing through the use of weighing scales or load cells. These devices measure the weight of the coil and compare it to the predetermined weight specifications. If the weight falls within the acceptable range, the coil is deemed accurate.

Q:How are steel coils used in the production of agricultural storage tanks?: Steel coils are used in the production of agricultural storage tanks to create the structural framework and walls of the tanks. The coils are rolled and formed into the desired shape, providing strength and durability to store various agricultural materials such as grains, fertilizers, and liquids.

Q:What are the different testing methods used for steel coils?: There are several testing methods used for steel coils, including visual inspection, dimensional measurements, hardness testing, chemical composition analysis, and various non-destructive testing techniques such as ultrasonic testing, magnetic particle testing, and eddy current testing. These methods help ensure the quality and integrity of steel coils by detecting any defects, flaws, or deviations from the required specifications.

Q:How are steel coils straightened?: Steel coils are straightened using a process called leveling. This involves passing the coils through a series of rollers that gradually flatten and align the steel, resulting in straightened coils.

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