Hot Rolled Steel Coil with Standard ASTM

Hot Rolled Steel Coil with Standard ASTM

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 50 m.t.

Supply Capability:: 10000 m.t./month

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Product Details

Basic Info.

Model NO.:cm-191

Standard:ASTM, JIS, GB

Steel Grade:Q235

Certification:ISO

Surface Treatment:Coated

Technique:Hot Rolled

Stock:Stock

Export Markets:Global

Additional Info.

Packing:in Bundles

Origin:China

Production Capacity:100, 000mt/Year

Product Description

Hot Dipped Galvanized Steel Coil

JISG3302/ DX51D

SGCC/ SGCH

Full Hard/ Soft

Regular spangle/ Big spangle/ Small Spangle

Chromated

Unoiled

Z60/Z80/Z100/Z120/Z150/Z180/Z275

Thickness: 0.12-3.0mm

Width: 610-1250mm

Hot Rolled Steel Coil with Standard ASTM

FAQ:

1. What is the minimum order quantity ?

Our MOQ is 50mt for each size. And we will consider to give more discount if you make big order like 1000 tons and more. Further more, the more appropriate payment term your offer the better price we can provide.

2. How long can we receive the product after purchase?

Usually within thirty working days after receiving buyer’s advance payment or LC. We will arrange the factory manufacturing as soon as possible. The cargo readiness usually takes 15-25 days, but the shipment will depend on the vessel situation.

3. How to guarantee the quality of the products？

We have established the international advanced quality management system，every link from raw material to final product we have strict quality test；We resolutely put an end to unqualified products flowing into the market. At the same time, we will provide necessary follow-up service assurance.

4.What is the validity of your quotation?

Normally 7 days.

5.What is your advantage?

24 hour quick response /Customer oriented/ Credit foremost/ Top quality Excellent

Q: How does the thickness of a steel coil affect its applications?: The applications of a steel coil are significantly affected by its thickness. The thickness of the coil is what determines its strength, durability, and versatility, thus making it suitable for various uses in different industries. In industries where strength is of utmost importance, such as construction, thicker steel coils are preferred. Thicker coils provide higher structural integrity and load-bearing capacity, which are essential in projects involving buildings, bridges, and infrastructure. Moreover, thicker steel coils offer better resistance against bending, warping, and other forms of deformation, making them ideal for heavy-duty applications. The durability of a steel coil is also influenced by its thickness. Thicker coils exhibit greater resistance to wear, corrosion, and damage, making them suitable for harsh environments or applications that involve constant friction or exposure to elements. For instance, thicker steel coils are commonly utilized in the manufacturing of heavy machinery, automotive parts, and mining equipment, where durability is of paramount importance. Furthermore, the thickness of a steel coil determines its versatility and adaptability. Thinner coils can be easily shaped into different forms and sizes, making them suitable for applications that require intricate designs or tight tolerances. Industries such as automotive, aerospace, and consumer electronics often rely on thinner steel coils due to their lightweight and flexible nature. On the other hand, the weight and reduced flexibility of thicker steel coils may limit their range of applications. They are better suited for applications that prioritize strength and durability over versatility. These applications include structural components, large-scale machinery, and industrial equipment. To summarize, the thickness of a steel coil plays a pivotal role in determining its applications. Thicker coils offer increased strength, durability, and resistance, making them ideal for heavy-duty applications in the construction and manufacturing industries. Conversely, thinner coils provide versatility and adaptability, making them suitable for applications that require intricate designs or lightweight properties.

Q: Hello people.Me and the life mate have been working on a fantasy book together and we are currently in the process of outlining the cultures. The culture of our antagonists' is a sort of woodland tribal/celtic[ish] deal and they are very nature oriented. Being a detail freak and wanting to have some real world credibility in the story, I am trying to decide how they produce steel. I want steel to be an important part of the culture, but a thing that is in limited supply. I also do not want there to be a large amount of resources committeded to mining or processing iron ore for steel. So does anyone have any real world ideas explaining how the people can produce steel without using underground mining operations, large processing facilities, and without raping the land?All help and ideas are appreciated: Well, steel is just modified iron, so you're going to have to start with acquiring the iron first. For that, you're most likely going to be using some sort of underground mining somewhere - either they do that themselves, or they purchase the iron elsewhere. Assuming you're not dealing with meteoric iron (which is possible, but pretty uncommon), or iron sands (not likely in a woodland area), then unless you're dealing with a rocky outcropping with iron veins out in the open, I'm pretty sure there needs to be somebody doing some digging. That said, it doesn't need to be a full raping of the land scenario. A couple of minor mines, some small-scale smelting operations, and somebody knowing the secret of making steel, and it could give you small amounts of steel without making an ecological disaster.

Q: How are steel coils used in the production of construction materials?: Due to their strength, durability, and versatility, steel coils find widespread usage in the manufacturing of construction materials. Typically made from high-quality steel, these coils are shaped into continuous, cylindrical forms. In the realm of construction material production, steel coils serve different purposes. One primary application involves their use in the creation of steel beams, vital components in constructing buildings, bridges, and other structures. By processing and shaping the steel coils to the desired dimensions, they can easily be formed into beams capable of bearing heavy loads and providing structural support. Another significant utilization of steel coils in construction materials lies in the production of roofing materials. Transforming these coils into corrugated sheets, which are commonly employed as roofing panels, proves highly beneficial. Steel's durability and ability to withstand harsh weather conditions make it an ideal choice for safeguarding buildings against rain, snow, and strong winds. Moreover, these steel coils can be coated with protective layers to enhance their longevity and prevent corrosion. In addition, steel coils play a crucial role in fabricating construction materials such as pipes, tubes, and poles. By shaping the coils according to desired specifications, robust and reliable components for infrastructure projects can be created. Whether for underground pipelines, structural support systems, or utility poles, steel coils provide the necessary strength and durability required for these construction materials. Furthermore, steel coils assume a vital role in the production of construction materials employed in the fabrication of various fixtures and fittings. Through processing and shaping, steel coils can be transformed into door frames, window frames, reinforcement bars, and wire mesh, among other essential elements. This versatility allows for the creation of a wide range of construction materials indispensable for completing buildings and infrastructure projects. In conclusion, the utilization of steel coils in the production of construction materials is driven by their strength, durability, and versatility. Whether in the form of steel beams, roofing materials, pipes, or fixtures, these coils are molded into various shapes and sizes that cater to the specific requirements of construction projects. The incorporation of steel coils guarantees that construction materials possess strength, reliability, and the ability to withstand the demands of the built environment.

Q: What are the different methods of corrosion protection for steel coils?: There are several methods of corrosion protection for steel coils, including but not limited to: 1. Coating: Applying a protective layer such as paint, polymer, or zinc coating on the surface of the steel coil to prevent direct contact with corrosive agents. 2. Galvanizing: Immersing the steel coil in a bath of molten zinc, creating a protective coating that prevents corrosion. 3. VCI (Vapor Corrosion Inhibitor): Using volatile corrosion inhibitors that release molecules to form a protective layer on the steel coil, preventing corrosion. 4. Oil or Wax Coating: Applying a layer of oil or wax on the surface of the steel coil to act as a barrier against moisture and corrosive elements. 5. Cathodic Protection: Using sacrificial anodes or impressed current to protect the steel coil by providing a more easily corroded metal that attracts corrosion instead. 6. Desiccants: Placing desiccant materials such as silica gel or molecular sieves inside the packaging to absorb moisture and prevent corrosion. 7. Environmental Control: Maintaining controlled humidity levels, temperature, and proper ventilation in storage areas to minimize the risk of corrosion. 8. Proper Handling and Storage: Implementing safe handling practices during transportation and storing steel coils in dry, covered areas away from corrosive substances. It is important to select the appropriate method based on the specific application, environment, and desired level of protection for the steel coils.

Q: What are the common methods of protecting steel coils from corrosion during storage?: To safeguard steel coils from corrosion during storage, there are multiple commonly employed techniques. These methods aim to shield the steel coils from moisture and other environmental factors that could trigger corrosion. 1. VCI (Volatile Corrosion Inhibitor) Packaging: VCI packaging is extensively utilized for steel coil protection. It incorporates VCI materials into the packaging, such as plastic bags or films. These materials emit a vapor that forms a protective layer on the surface of the steel coils, effectively preventing the intrusion of moisture and corrosive agents. 2. Oil Coating: Another widely adopted approach involves applying a thin layer of oil onto the steel coil surface. This oil acts as a barrier, obstructing the contact between the steel and moisture or oxygen. It proves particularly effective for long-term storage or transportation situations. 3. Desiccants: Silica gel packets or similar desiccants can be placed inside the packaging to absorb any trapped moisture. By reducing humidity levels within the packaging, the risk of corrosion is minimized. This method is often combined with VCI packaging or oil coating. 4. Proper Ventilation: Adequate ventilation is crucial to prevent moisture buildup around the steel coils during storage. By facilitating the free circulation of air, humidity levels are reduced, and the formation of condensation, which can lead to corrosion, is prevented. 5. Controlled Environment: Storing steel coils in a controlled environment is an effective corrosion prevention measure. This entails maintaining constant temperature and humidity levels that are unfavorable for corrosion. Temperature and humidity control can be achieved using air conditioning or dehumidification systems. It should be noted that the choice of specific protection methods or combinations thereof depends on various factors, including storage duration, environmental conditions, and specific steel coil requirements. Regular inspections and maintenance are also vital to ensure ongoing corrosion protection.

Q: Will hot dip galvanizing affect the properties of the steel: depends on what your are dipping...i.e what its composition and properties were, was it a spring steel prior?

Q: What are the common coil thickness tolerances?: The common coil thickness tolerances can vary depending on the specific industry and application. However, typical tolerances for coil thickness range from +/- 0.001 inches to +/- 0.005 inches.

Q: How are steel coils used in the production of storage systems?: Steel coils are used in the production of storage systems as they are transformed into various components such as beams, columns, and shelves. These components are then assembled to create the framework and structure of the storage systems, providing strength, stability, and durability to store items efficiently.

Q: Is there any way to melt steel without the intense heat of a blast furnace?: How To Melt Steel

Q: How are steel coils inspected for yield strength?: Steel coils are inspected for yield strength through a series of testing methods. The most common and widely used method is the tensile test. In this test, a small sample is taken from the steel coil and subjected to a controlled load until it reaches its yield point. During the tensile test, the sample is gradually stretched until it deforms and ultimately breaks. The load and elongation data are continuously recorded during this process. The yield strength is then determined by identifying the point on the stress-strain curve where the material begins to exhibit plastic deformation or permanent elongation. Another method used to inspect steel coils for yield strength is the hardness test. Hardness is often correlated with yield strength, and therefore, a hardness test can provide an estimation of the material's yield strength. This test involves measuring the resistance of the steel coil's surface to indentation or penetration using instruments like a Rockwell or Brinell hardness tester. Additionally, non-destructive testing methods such as ultrasonic testing and magnetic particle inspection can also be employed to evaluate yield strength. Ultrasonic testing involves the use of high-frequency sound waves to detect any internal defects or inconsistencies in the material's structure. Magnetic particle inspection, on the other hand, relies on the application of magnetic fields and the use of magnetic particles to identify surface cracks or defects. Overall, various testing methods are available to inspect steel coils for yield strength. These methods provide manufacturers and inspectors with valuable information about the quality and performance capabilities of the steel, ensuring that it meets the required standards and specifications.

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