• Corrugated steel sheets for roofing System 1
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Corrugated steel sheets for roofing

Corrugated steel sheets for roofing

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Loading Port:
China Main Port
Payment Terms:
TT OR LC
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Supply Capability:
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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

500/650/726/820/9/1000/1200/1219/1220/1250mm

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:Can steel sheets be used in architectural applications?
Yes, steel sheets can be used in architectural applications. Steel sheets are versatile, durable, and offer structural integrity, making them suitable for various architectural uses such as roofing, cladding, and facades. Additionally, steel sheets can be easily shaped, allowing for creative and unique designs in architectural projects.
Q:Are steel sheets resistant to water or moisture damage?
Yes, steel sheets are generally resistant to water or moisture damage due to their non-porous nature. However, prolonged exposure to water or moisture can lead to corrosion over time if the steel is not properly protected or coated.
Q:How is the normalized steel plate produced?
The main purpose of normalizing is to refine the structure, to improve the properties of the steel, and to obtain a structure close to the equilibrium state. Compared with the annealing process, the main difference between normalizing and annealing is that the cooling rate of normalizing is a little faster, so the production cycle of positive heat treatment is short. Therefore, when annealing and normalizing can meet the performance requirements of parts, normalizing shall be used as much as possible. Most medium and low carbon steel billets are usually treated with positive heat. General alloy billet material often adopts annealing, if normalizing, because the cooling rate is faster, make its normalizing higher hardness, is not conducive to cutting.
Q:What is the average moisture resistance of steel sheets?
The average moisture resistance of steel sheets can vary depending on the specific type of steel and its protective coatings. Generally, steel sheets have good moisture resistance due to their inherent corrosion resistance properties. However, the resistance can be further enhanced by applying various surface treatments such as galvanization, which adds a layer of zinc to protect against moisture and corrosion. In terms of specific values, it is difficult to provide an exact average moisture resistance without considering the specific steel grade, thickness, and coating. Typically, steel sheets with galvanized coatings can provide excellent moisture resistance, with some studies reporting corrosion rates as low as 0.1-0.5 micrometers per year in highly corrosive environments. It is crucial to note that the performance of steel sheets in resisting moisture can also be influenced by other factors such as the presence of scratches, cuts, or exposure to chemicals. Regular maintenance, inspection, and proper handling of steel sheets can help ensure their optimal moisture resistance over time.
Q:Are the steel sheets perforated or solid?
The steel sheets are perforated.
Q:Are the steel sheets suitable for outdoor applications?
Certainly, steel sheets prove to be a fitting option for outdoor applications. Boasting durability and strength, steel emerges as a material capable of withstanding diverse weather conditions and environmental elements. Its resistance to rust and corrosion renders it particularly ideal for outdoor utilization. Moreover, steel sheets can be subjected to treatment or coating processes, thereby augmenting their resilience against moisture and other external factors, further amplifying their appropriateness for outdoor applications. Whether the purpose entails construction, manufacturing, or decorative endeavors, steel sheets present themselves as a dependable selection for outdoor projects.
Q:What are the different surface finishes available for steel sheets?
There are several different surface finishes available for steel sheets, including hot rolled, cold rolled, galvanized, coated, and brushed finishes.
Q:How are steel sheets protected during transportation by sea?
Steel sheets are protected during transportation by sea through various measures to ensure their safety and prevent damage. One of the most common methods used is the application of a protective coating on the steel sheets. This coating acts as a barrier against moisture and saltwater, which are the primary causes of corrosion during sea transportation. The coating can either be a temporary solution, such as a layer of oil or wax, or a more permanent solution, such as a layer of paint or zinc. Additionally, steel sheets are often packaged in bundles or placed in shipping containers to provide added protection. These bundles are secured with straps or wires to prevent movement and potential damage during rough sea conditions. The shipping containers themselves are designed to withstand the rigors of sea transportation and protect the steel sheets from exposure to the elements. Furthermore, steel sheets may be wrapped in plastic or other waterproof materials to provide an extra layer of protection against moisture. This helps to prevent the sheets from coming into direct contact with seawater or rain, reducing the risk of corrosion. During loading and unloading, proper handling techniques are employed to minimize the risk of damage. Cranes or forklifts are used to lift and move the steel sheets carefully, ensuring that they are not dropped or subjected to excessive force that could cause dents or bends. Overall, a combination of protective coatings, secure packaging, and proper handling techniques are employed to safeguard steel sheets during transportation by sea, reducing the chances of damage and ensuring that they arrive at their destination in optimal condition.
Q:What are the different thicknesses available for steel sheets?
The different thicknesses available for steel sheets vary depending on the specific application and industry requirements. However, common thicknesses for steel sheets range from 0.5mm to 25mm or even higher.
Q:How do steel sheets perform in vibration and noise reduction?
Steel sheets are not particularly effective in vibration and noise reduction. Due to their rigid and dense nature, steel sheets tend to transmit vibrations and noise rather than absorb or dampen them.

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