Steel coils in china hot rolled with good price
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 16497 m.t./month
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Specification
Hot rolling is a mill process which involves rolling the steel at a high temperature (typically at a temperature over 1700° F), which is above the steel’s recrystallization temperature. When steel
is above the recrystallization temperature, it can be shaped and formed easily, and the steel can
be made in much larger sizes. Hot rolled steel is typically cheaper than cold rolled steel due to the
fact that it is often manufactured without any delays in the process, and therefore the reheating of
the steel is not required (as it is with cold rolled). When the steel cools off it will shrink slightly
thus giving less control on the size and shape of the finished product when compared to cold rolled.
Our Advantage: High quality steel products from 1 class mills in
Reasonable price
Professionalism of the products
On-time delivery
Complete documents and certificates
Sincere service to meet our clients' requirements
Standard and Grade :
Hot rolled steel coils | ||||
JIS | ASTM | SAE | EN | |
Commercial quality | G3131 SPHC | A569 A635 A659 A1011 CS Type A,B,C | 1006~1025 |
10111 DD11 |
Drawing quality | G3131 SPHD | 1006~1010 | 10111 DD12 | |
Deep drawing quality | G3131 SPHE | A622 A1011 DS Type A,B | 1006~1010 | 10111 DD13 DD14 |
General structure (T.S.<490N/MM2) | G3101 SS330 SS440 G3106 SM400A G3132 SPHT1 SPTT2 SPHT3 | A36 A283 GR.C A570 GR.30~40 A1001 SS GR.30~40 |
1010~1025 | |
General structure (T.S.≥490N/MM2) | G3101 SS490 G3106 SM490A SM490YA | A570 GR.45~50 A607 GR.45~70 A1011 SS GR.45,50 |
J1392 050X | |
Packing:
Packaging Detail | The packing of coil consists of anti-damp paper ,PVC film ,hardboard paper , steel box , strapped with steel strips, fitted with locks and edge protectors and guarantees the optimal condition of the delivered goods. Each coil can be additionally fitted with wooden/steel skids(eye of the side) or wooden pallets(eye of the sky) |
Delivery Time | within 30 days of receipt of LC original or prepayment |
Our Services
MOQ | FCL, 25 metric tons per 20GP, can be assorted with different sizes. |
LCL for trial order is acceptable. | |
Price Term | EX-WORK, FOB China Port, CNF, CIF |
Payment | T/T, 30% advanced payment before production and balance before shipment; OR Irrevocable L/C at sight. |
Delivery Time | within 30 days of receipt of LC original or prepayment |
(1) We cooperate with famousfactories with advanced equipment and well trained workers.
(2) We can provide factory price with trading company service.
(3) We continuously work on the improvement of our processes, guaranteeing
consistently high standards of quality to keep none compensation.
(4) We guarantee 24 hours response and 48 hours solution providing service.
(5) We accept small order quantity before formal cooperation.
(6) We deliver the agreed quality at the agreed time, reacting to changes in
customer wishes in a flexible way.
(7) Due to our volume and selling power, we have excellent freight rates with
shipping lines.
(8) We strive to always be fair and honest in our dealings with customers.
(9) We strive to work together with customers to achieve much more than we
can achieve alone.
(10) Through our passion and commitment we aim to be a market leader in all
our key markets. To maintain our position as market leader we must continue to
add value in all that we do.
FAQ:
1. 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.
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.
- Q: What is a steel coil?
- A steel coil is a long, continuous sheet of steel that has been wound into a coil shape. It is typically made from hot-rolled or cold-rolled steel and is used in various industries for manufacturing purposes, such as in automotive, construction, and appliance sectors.
- Q: Are steel coils affected by magnetic fields?
- Yes, steel coils can be affected by magnetic fields. Steel is a ferromagnetic material, which means it can be magnetized or attracted to magnets. When a magnetic field is applied to a steel coil, it can induce a magnetic field within the coil, causing the coil to become magnetized. This can have several effects depending on the strength and duration of the magnetic field. If the magnetic field is strong and the coil is exposed to it for a significant amount of time, it can cause the steel coil to retain some magnetism even after the magnetic field is removed. This can be problematic in certain applications where a non-magnetic material is required, as the magnetized steel coil may attract or interfere with other nearby objects. On the other hand, if the magnetic field is rapidly changing or fluctuating, it can induce electrical currents within the steel coil through electromagnetic induction. These induced currents, known as eddy currents, can generate heat within the coil, leading to energy losses and potential damage to the coil. Therefore, it is important to consider the effects of magnetic fields on steel coils in various applications. Protective measures such as shielding or demagnetizing processes may be necessary to minimize the impact of magnetic fields on steel coils when required.
- Q: is stainless steel a good steel for sensitive skin? or does it have to be surgical or sterling silver?
- idk about sensitive skin but i have stainless steal in i think right now. im sure any are good for a healed belly piercing, if it hasnt been 3 monthes yet then id stick with a surgical
- Q: What is the difference between steel coils and steel sheets?
- Steel coils and steel sheets, although both forms of steel, exhibit distinct differences. Steel coils, which are long rolls of steel wound into a coil shape, are typically produced at a steel mill and serve as raw materials for further processing or manufacturing. Various industries, including automotive, construction, and appliance manufacturing, commonly utilize steel coils in the production of items such as pipes, tubes, and automotive parts. Conversely, steel sheets are flat pieces of steel that are typically derived from steel coils. These sheets come in different sizes and thicknesses, making them versatile for various applications. Construction projects, such as roofing, siding, and structural components, often employ steel sheets. Additionally, they are utilized in manufacturing processes like stamping, forming, and fabricating diverse products. One primary distinction between steel coils and steel sheets lies in their shape and form. Steel coils adopt a cylindrical, rolled form, whereas steel sheets possess a flat, rectangular structure. This dissimilarity in shape renders steel coils more suitable for continuous production processes, while steel sheets find application in scenarios that demand flat surfaces. Another variation pertains to the handling and transportation of these steel forms. Due to their large size and weight, steel coils necessitate specialized equipment like coil cars or cranes for transport and storage. Conversely, steel sheets can be conveniently stacked, transported, and stored using conventional methods. Lastly, the processing requirements for steel coils and steel sheets differ. Steel coils often undergo additional processing steps, such as slitting, cutting, or coating, to meet specific customer requirements. Conversely, steel sheets may require minimal processing before being utilized in their intended applications. In summary, steel coils and steel sheets exhibit variances in shape, handling, transportation, and processing requirements. Steel coils, in their rolled, cylindrical form, are utilized for further processing, while steel sheets, cut from coils, serve specific applications. Recognizing these distinctions is crucial when selecting the appropriate steel form for a particular project or manufacturing process.
- Q: What are the common applications of steel coils in construction?
- Steel coils are commonly used in construction for a variety of applications such as roofing, wall cladding, structural beams, and framing components. They provide strength, durability, and versatility, making them ideal for supporting and reinforcing various structures and ensuring their stability and longevity.
- Q: If you keep it dry and clean, what steel will last the longest over the years with continued use and sharpening?
- Hard okorder /: The nature, composition, and thickness of the protective surface oxides that form on titanium alloys depend on environmental conditions. In most aqueous environments, the oxide is typically TiO2, but may consist of mixtures of other titanium oxides, including TiO2, Ti2O3, and TiO. High-temperature oxidation tends to promote the formation of the chemically resistant, highly crystalline form of TiO, known as rutile, whereas lower temperatures often generate the more amorphous form of TiO, anatase, or a mixture of rutile and anatase. Although these naturally formed films are typically less than 10 nm thick and are invisible to the eye, the TiO; oxide is highly chemically resistant and is attacked by very few substances, including hot, concentrated HCl, H2SO4, NaOH, and (most notably) HF. This thin surface oxide is also a highly effective barrier to hydrogen.
- Q: How are steel coils processed before they are used in manufacturing?
- Before being used in manufacturing, steel coils undergo several processing steps. The initial step, known as pickling, entails immersing the coils in an acid bath to eliminate any surface impurities such as rust or scale. This step serves to enhance the surface quality of the steel. After pickling, the coils are subjected to a process called cold rolling. This involves passing the coils through a set of rollers to decrease their thickness and enhance their dimensional accuracy. Additionally, cold rolling enhances the mechanical properties of the steel, rendering it stronger and more durable. Following cold rolling, the coils are annealed. This process involves heating the coils to a specific temperature and gradually cooling them. Annealing helps to alleviate internal stresses within the steel and improve its formability and ductility. Subsequently, the coils may undergo further surface treatments, such as galvanizing or coating. Galvanizing involves applying a layer of zinc to protect the steel from corrosion, while coating may involve applying various types of paint or polymer to enhance the steel's appearance or provide specific functionalities. Once the coils have undergone the necessary processing and treatments, they are typically cut into smaller sheets or strips according to the manufacturing requirements. These sheets or strips can then be utilized in various manufacturing processes, including stamping, forming, welding, or fabrication, to create a diverse array of products, ranging from automotive components to appliances, construction materials, and more. In summary, steel coils go through a series of processing steps, including pickling, cold rolling, annealing, and surface treatments, before they are prepared for use in manufacturing. These processes result in improved quality, strength, and formability of the steel, enabling it to be transformed into a wide range of products.
- Q: What are the advantages of using steel coils in the manufacturing industry?
- There are several advantages of using steel coils in the manufacturing industry. Firstly, steel coils provide excellent strength and durability, making them ideal for applications that require high load-bearing capacity. Secondly, steel coils are highly resistant to corrosion, making them suitable for outdoor or harsh environments. Additionally, steel coils offer consistent and uniform properties, ensuring reliable and precise manufacturing processes. Moreover, steel coils can be easily formed and shaped, allowing for versatile use in various industries. Lastly, steel coils are recyclable, making them an environmentally friendly choice.
- Q: How are steel coils inspected for defects?
- To ensure the quality of steel coils meets required standards, various methods are used to inspect them for defects. Visual inspection is a common method, where trained inspectors examine the coil's surface for visible defects like cracks, scratches, or dents. This can be done through direct observation or with the help of magnifying tools. Another method is magnetic particle inspection, which detects surface and near-surface defects like cracks or voids. Here, a magnetic field is applied to the coil, and magnetic powder is spread on the surface. If any defects are present, the powder will be drawn to them, making them visible to the inspector. Ultrasonic testing is also commonly employed to inspect steel coils for defects. It involves transmitting high-frequency sound waves into the coil and analyzing the reflected waves. Any deviations in the sound waves can indicate the presence of defects like cracks or voids within the coil. Eddy current testing is another method used to detect defects in steel coils. It works by using electromagnetic induction to generate eddy currents within the coil. Any changes in these currents caused by defects in the material are detected and analyzed by the inspector. Finally, in some cases, destructive testing is performed on steel coils. This involves taking a sample from the coil and subjecting it to tests such as tension or bend testing. These tests evaluate the mechanical properties of the steel and indirectly indicate the presence of defects. Overall, a combination of visual inspection, magnetic particle inspection, ultrasonic testing, eddy current testing, and potentially destructive testing is used to inspect steel coils for defects. These methods ensure that any defects are identified and addressed, guaranteeing the delivery of high-quality steel coils to customers.
- Q: How do steel coils contribute to the manufacturing of oil and gas equipment?
- Steel coils are an essential component in the manufacturing of oil and gas equipment. These coils are typically made from high-quality steel that is durable, strong, and resistant to corrosion, making them ideal for withstanding the harsh environments and conditions encountered in the oil and gas industry. One of the primary applications of steel coils in oil and gas equipment manufacturing is in the fabrication of pressure vessels. Pressure vessels are crucial components used for storing and transporting various fluids and gases under high pressure. Steel coils are used to form the cylindrical shells of these vessels, providing the necessary strength and structural integrity to withstand the internal pressure. Steel coils are also utilized in the construction of oil and gas pipelines. These pipelines are responsible for transporting vast quantities of oil and gas over long distances. Steel coils are used to manufacture the pipes that make up these pipelines, providing the necessary strength, durability, and resistance to corrosion. The coils are rolled and welded to form seamless or welded pipes, which are then coated or lined to prevent corrosion and enhance their longevity. Furthermore, steel coils are instrumental in the production of drilling equipment used in the extraction of oil and gas. This equipment includes drill bits, casings, and wellheads, which are crucial for drilling and completing wells. The coils are used to fabricate these components, ensuring they can withstand the demanding conditions encountered during drilling operations. In addition to their structural applications, steel coils are also used in the manufacturing of ancillary equipment such as tanks, storage containers, and heat exchangers. These components play a vital role in the processing, storage, and distribution of oil and gas. Steel coils provide the required strength and durability to handle the harsh conditions and corrosive substances encountered in these processes. Overall, steel coils are indispensable in the manufacturing of oil and gas equipment. Their strength, durability, and resistance to corrosion make them a preferred choice in the industry. By contributing to the fabrication of pressure vessels, pipelines, drilling equipment, and ancillary components, steel coils ensure the safe and efficient extraction, processing, and transportation of oil and gas.
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Steel coils in china hot rolled with good price
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 16497 m.t./month
OKorder Service Pledge
OKorder Financial Service
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