Corrugated steel sheets

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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
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:What is the difference between a hot rolled and hot dipped galvanized steel sheet?: The main difference between a hot rolled and hot dipped galvanized steel sheet is the process they undergo. Hot rolled steel sheets are produced by heating the steel above its recrystallization temperature and then rolling it to the desired thickness. On the other hand, hot dipped galvanized steel sheets are formed by immersing the steel sheet into a bath of molten zinc, creating a layer of zinc coating on the surface. This zinc coating provides excellent corrosion resistance to the steel, making it suitable for applications where protection against rust is important.

Q:Can steel sheets be used for mezzanine floors?: Yes, steel sheets can be used for mezzanine floors. Steel sheets are commonly used in construction for their strength and durability, making them suitable for supporting the load requirements of mezzanine floors. They can provide a solid and stable surface for various applications, such as storage or additional workspace.

Q:Can steel sheets be used for industrial machinery parts?: Yes, steel sheets can be used for industrial machinery parts. Steel sheets are commonly used in the manufacturing of industrial machinery parts due to their strength, durability, and versatility. They can be easily cut, bent, and formed into various shapes to meet the specific requirements of different machinery components. Additionally, steel sheets offer excellent resistance to wear, corrosion, and heat, making them suitable for use in demanding industrial environments.

Q:Can steel sheets be painted or powder-coated after installation?: Yes, steel sheets can be painted or powder-coated after installation. Painting or powder-coating steel sheets after installation is a common practice to enhance their aesthetic appeal and provide additional protection against corrosion. The process involves thoroughly cleaning the steel surface, applying a primer to ensure good adhesion, and then applying the desired paint or powder coating. This can be done on-site or in a specialized facility, depending on the size and complexity of the steel sheets. Additionally, it is important to ensure that the chosen paint or powder coating is suitable for exterior use and can withstand the environmental conditions to which the steel sheets will be exposed.

Q:How do steel sheets perform in marine environments?: Steel sheets are well-suited for marine environments because they possess high strength and corrosion resistance properties. The presence of saltwater and high levels of moisture in these environments can cause significant damage to many materials; however, steel sheets are specifically designed to endure such conditions. Corrosion resistance is a key factor contributing to the performance of steel sheets in marine environments. Typically, steel sheets are coated with zinc or other protective coatings like epoxy or galvanized coatings, which act as a barrier against corrosion. These coatings prevent direct contact between the steel and saltwater, reducing the risk of rust and deterioration. Moreover, the high strength of steel sheets makes them highly durable in marine environments. They can withstand harsh conditions such as waves, strong winds, and impact from debris. This strength ensures that steel sheets maintain their structural integrity and offer long-term performance. Furthermore, steel sheets are known for their fire resistance, which is crucial in marine environments where safety is a top concern. Steel has a high melting point and does not contribute to the spread of fire, making it a reliable choice for marine applications. Nevertheless, it is important to note that even with their excellent performance, steel sheets may still require regular maintenance and inspection in marine environments. This includes monitoring for signs of corrosion, repairing or replacing damaged coatings, and addressing any potential issues promptly to ensure continued performance. In conclusion, steel sheets are a reliable option for marine environments due to their corrosion resistance, high strength, and fire resistance. They can withstand the challenging conditions of saltwater, moisture, and impact, making them an ideal material for various marine applications.

Q:Can steel sheets be used in earthquake-resistant construction?: Yes, steel sheets can be used in earthquake-resistant construction. Steel has excellent strength and ductility properties that allow it to withstand the forces generated during an earthquake. Additionally, steel sheets can be easily fabricated, assembled, and incorporated into various structural systems, making them a popular choice for earthquake-resistant construction.

Q:What are the different edge treatments for steel sheets?: There are several edge treatments available for steel sheets, including deburring, chamfering, hemming, and beading. These treatments help to remove sharp edges, create a smooth finish, enhance aesthetics, and improve safety during handling and assembly processes.

Q:Can steel sheets be used for chimneys and flue systems?: No, steel sheets are not suitable for use in chimneys and flue systems as they cannot withstand high temperatures and are prone to corrosion.

Q:Are the steel sheets suitable for electrical applications?: Yes, steel sheets are suitable for electrical applications as they have good conductivity and can be easily shaped into desired forms for various electrical components.

Q:Can the steel sheets be used for magnetic shielding?: Yes, steel sheets can be used for magnetic shielding. Steel is a ferromagnetic material, which means it can effectively redirect and absorb magnetic fields. When steel sheets are used to shield against magnetic fields, they create a barrier that helps to prevent the penetration of magnetic flux into a designated area. This property makes steel sheets an excellent choice for applications where magnetic shielding is required, such as in electronics, medical devices, and sensitive laboratory equipment. However, the effectiveness of steel sheets for magnetic shielding can depend on various factors, including the thickness and composition of the steel, as well as the strength and frequency of the magnetic field being shielded. Therefore, it is important to consider these factors and consult with experts to ensure the appropriate steel sheets are selected for optimal magnetic shielding.

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