Sheet steel in coil hot rolled for sale in different grade
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 16792 m.t./month
OKorder Service Pledge
OKorder Financial Service
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Specification
Hot rolled steel actually reconfigures itself during the cooling process, giving the finished product looser tolerances than the original material and when compared to cold rolled steel products. Hot rolled steel is more malleable, allowing it to be forced into a variety of different shapes.
This makes hot rolled steel a good choice for the manufacturing of structural components, such as I beams or simple cross sections, such as rail tracks. It is also used to produce sheet metal.
Our Advantage: High quality steel products from 1 class mills in China
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 |
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 are the different methods of tempering steel coils?
- There are several different methods of tempering steel coils, each with its own advantages and disadvantages. Some of the most common methods include: 1. Air cooling: This is the simplest and most common method of tempering steel coils. The coils are heated to a specific temperature and then allowed to cool naturally in ambient air. This method is relatively quick and cost-effective, but it can result in uneven cooling and may not provide as precise control over the final properties of the steel. 2. Water quenching: In this method, the steel coils are heated and then rapidly cooled by immersing them in a bath of water. Water quenching provides a more rapid and controlled cooling rate than air cooling, resulting in greater hardness and strength. However, it can also lead to increased distortion and the formation of internal stresses in the steel. 3. Oil quenching: Similar to water quenching, oil quenching involves immersing the steel coils in a bath of oil to rapidly cool them. Oil quenching provides a slower and more uniform cooling rate compared to water quenching, resulting in reduced distortion and internal stresses. However, it also produces slightly lower hardness and strength compared to water quenching. 4. Salt bath quenching: This method involves immersing the steel coils in a heated bath of molten salt to rapidly cool them. Salt bath quenching provides an even and controlled cooling rate, resulting in improved hardness and strength compared to air or water quenching. However, it requires specialized equipment and may not be suitable for all types of steel. 5. Induction hardening: In this method, the steel coils are heated using an induction heating process and then rapidly cooled using either air, water, or oil quenching. Induction hardening allows for precise control over the heating and cooling process, resulting in specific hardness and strength properties in desired areas of the steel. However, it requires specialized equipment and is typically used for specific applications or parts of the steel coils. Overall, the choice of tempering method depends on various factors such as the desired properties of the steel coils, the type of steel being used, and the specific requirements of the end application.
- Q:What are the different types of steel grades used for coil production?
- There are various types of steel grades used for coil production, including carbon steel, stainless steel, and high-strength low-alloy (HSLA) steel. These grades are selected based on the specific requirements and application of the coils, such as strength, corrosion resistance, and formability.
- Q:What are the different methods of surface treatment for steel coils?
- There are several different methods of surface treatment for steel coils, each with its own benefits and applications. Some of the most common methods include: 1. Hot-dip galvanizing: This is a process where the steel coil is immersed in a bath of molten zinc, which forms a protective coating on the surface. Hot-dip galvanizing provides excellent corrosion resistance and is commonly used in outdoor applications such as roofing, fencing, and automotive parts. 2. Electro-galvanizing: In this method, a thin layer of zinc is electroplated onto the surface of the steel coil. Electro-galvanizing offers similar corrosion resistance as hot-dip galvanizing, but with a thinner coating. It is often used in applications where a smooth and aesthetically pleasing finish is desired, such as appliances, electrical equipment, and automotive components. 3. Powder coating: Powder coating involves applying a dry powder to the surface of the steel coil, which is then cured under heat to form a durable and protective layer. This method provides excellent resistance to chipping, scratching, and fading, making it suitable for a wide range of indoor and outdoor applications. 4. Painting: Steel coils can also be treated with conventional liquid paint coatings, which provide both protection and aesthetic appeal. Paint coatings can be customized to meet specific requirements such as corrosion resistance, UV protection, or chemical resistance. They are commonly used in industries such as construction, automotive, and appliances. 5. Pickling and oiling: This method involves removing any scale or rust from the surface of the steel coil by dipping it in an acid solution (pickling), followed by a coating of oil to prevent reoxidation. Pickling and oiling are typically used for temporary corrosion protection during storage and transportation of steel coils. 6. Pre-painted coatings: Steel coils can be coated with pre-painted finishes at the manufacturing stage. Pre-painted coatings are applied in a continuous process, where the steel coil is passed through a coating line, and a layer of paint is applied. This method provides a wide range of colors and finishes, making it popular in the construction, automotive, and appliance industries. These are just a few of the methods commonly used for surface treatment of steel coils. The choice of method depends on factors such as the desired level of corrosion resistance, aesthetics, environmental conditions, and the specific application requirements.
- Q:Does steel have a valence number and if so, what is it?
- Steel is a mixture, so it doesn't have any valence number. On the other hand, all of the components of the steel mixture are in their elemental forms, so all the various valences are zero.
- Q:What's the best material for color coated steel coil?
- The base material of color coated coil is mainly galvanized steel or galvanized alloy steel plate.
- Q:How are steel coils processed for cold rolling or hot rolling?
- Steel coils are processed for cold rolling or hot rolling through a series of steps. For cold rolling, the steel coils are first cleaned and pickled to remove any impurities. They are then passed through a series of rolling mills, where the steel is gradually reduced in thickness and elongated. This process improves the steel's strength and surface finish. In contrast, for hot rolling, the steel coils are heated to high temperatures and then passed through a series of rolling mills. The hot rolling process allows for greater deformability and shaping of the steel, resulting in different thicknesses and shapes.
- Q:How are steel coils used in the HVAC industry?
- Steel coils are commonly used in the HVAC industry as a key component in air conditioning and heating systems. They are used to transfer heat energy, allowing the system to cool or heat the air efficiently. The steel coils act as heat exchangers, absorbing heat from the air and releasing it into the environment or vice versa. This process helps regulate the temperature and improve the overall performance of HVAC systems.
- Q:How are steel coils used in the manufacturing of drivetrains?
- Steel coils are commonly used in the manufacturing of drivetrains as they provide the necessary strength and durability required for these critical components. The steel coils are typically formed into various shapes, such as gears, shafts, and axles, which are then machined and assembled to create the drivetrain system. These steel components help transfer power from the engine to the wheels, allowing the vehicle to move efficiently and smoothly.
- Q:I recently got in a car accident with a steel mailbox, on a snowy day. I was wondering if i can do anything since the steel mailbox caused my car to be totaled. Otherwise it would have been fine and would have suffered only minor damage. Anything I can do here to maybe get some money back? Thanks!
- That's exactly what happened last winter where I worked. The driver's insurance (it was a late model SUV) paid for the damage to the vehicle and to our mailbox. The 4 inch steel post really bent the SUV.
- Q:What are the different types of steel coil surface finishes?
- There are several different types of steel coil surface finishes available, each with its own unique characteristics and applications. Some of the most common types include: 1. Hot rolled: This finish is achieved by rolling the steel at a high temperature, which results in a rough and textured surface. Hot rolled steel coils are commonly used in applications where aesthetics are not a priority, such as structural or industrial projects. 2. Cold rolled: In contrast to hot rolled steel, cold rolled steel coils are processed at lower temperatures, resulting in a smoother and more refined surface. This finish is ideal for applications where a clean and polished appearance is desired, such as automotive parts, appliances, and furniture. 3. Galvanized: Galvanized steel coils are coated with a layer of zinc to protect them from corrosion. This finish provides excellent resistance to rust and can be used in a variety of outdoor applications, including roofing, fencing, and signage. 4. Stainless steel: Stainless steel coils have a unique finish that is resistant to corrosion, staining, and rust. This makes them highly versatile and suitable for a wide range of applications, including kitchen appliances, medical equipment, and architectural projects. 5. Coated: Coated steel coils are treated with a protective layer of paint or other coatings to enhance their durability and aesthetic appeal. This finish is commonly used in the construction industry for applications such as roofing, siding, and garage doors. 6. Pre-painted: Pre-painted steel coils are coated with a layer of paint or resin before they are formed into the final product. This finish offers a wide range of colors and finishes, making it popular for applications such as building cladding, appliances, and automotive parts. Overall, the choice of steel coil surface finish depends on the specific requirements of the project, including aesthetics, corrosion resistance, and durability. Each finish has its own advantages and disadvantages, and it is important to consider these factors when selecting the appropriate type of steel coil surface finish for a particular application.
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Sheet steel in coil hot rolled for sale in different grade
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 16792 m.t./month
OKorder Service Pledge
OKorder Financial Service
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