Best Quality Hot Rolled Steel Coil by Steel Coil Manufacturers from China
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT or L/C
- Min Order Qty:
- 50 m.t.
- Supply Capability:
- 50000 m.t./month
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General Information of Hot Rolled Steel Coil
Rolled to its final dimensions while it’s hot enough to scale, our hot-rolled steel is an amalgamation of the various qualities of steel.
It can be in the form of plates, sheets and coils.
Our Hot-Rolled Steel Sheets and Coils are applied to a wide range of uses such as automobile, electrical appliance, machinery manufacturing, container manufacturing, shipbuilding, bridge, pipeline, and receive high acclaim from our customers for its excellent quality.
Specification of Hot Rolled Steel Coil
1. Thickness 14mm - 60mm
2. Width 1800mm - 2500mm
3. Sheets Length 6000mm - 12000mm
4. Internal Diameter 508mm or 610mm
5. Steel Grade Q235B, Q235C, Q235D, Q345B, SPHC 510L, Q345A, Q345E, SS400, Q345G, Q345F
6. FOB 620-720USD per ton
7. Standard ASTM
8. Rolling Precision A/B
9. Edge Q/BQ
Technical Information of Hot Rolled Steel Coil
Chemical Composition
C | Si | Mn | P | S |
0.04-0.05% | 0.01-0.02% | 0.18-0.22% | 0.014-0.016% | 0.006%-0.009% |
Technical Data
1. Yield Strength (Mpa) 280-320
2. Tensile Strength (Mpa) 340-390
3. Elongation 23%-41%
4. Reverse Impact 9J
5. T-bending ≥2T
6. Pencil Hardness ≥2H
7. Duration Of Salt Spray Test 500 H
8. Bending At 180 Degree No crack, purling and fraction
Application of Hot Rolled Steel Coil
As raw material for:
1. Container &Pipe Production
2. Carbon Structural Steel
3. Low Alloy Steel
4. High Quality Carbon Structural Steel
5. Atmospheric Corrosion Resistant Steel
6. Low Carbon Steel (Commericial Quality, Drawing Quality, Deep Drawing Quality)
Export Package of Hot Rolled Steel Coil
BULK SHIPMENT PACKED WITH STEEL BELT.
- Q:I wanted to know what is steel fabricating?
- Steel Fabricating/or Steel Fabricators is just a fancy way of saying that they sell steel products and a variety of related services. Thomas steel products has a wide range of steel products and services, from Windsor Republic Door Dist, Tie Wire, Steel Doors Frames, Snap Ties, S Parker Hardware Distributor, Reinforcing Steel Detail Drawings Avail, Rebar Fabrication, o_O.
- Q:How are steel coils inspected for elongation?
- Steel coils are typically inspected for elongation by conducting a tensile test. A small sample is cut from the coil and subjected to tension until it breaks. The elongation is then calculated by measuring the increase in length of the sample at the point of fracture.
- Q:How are steel coils inspected?
- Steel coils are inspected using various methods such as visual inspection, ultrasonic testing, magnetic particle inspection, and eddy current testing. These techniques help identify any defects, irregularities, or damages in the steel coils, ensuring their quality and suitability for further processing or use.
- Q:What are the common methods of testing the durability of steel coils?
- Steel coils undergo various testing methods to assess their durability, strength, and resistance to different stresses and conditions. Some commonly used techniques include: 1. Tensile testing: This method measures the maximum stress a coil can bear before breaking or deforming by subjecting it to tension. It provides valuable insights into the strength and ductility of steel coils. 2. Bend testing: This method evaluates the flexibility and resistance to deformation of steel coils by bending them to a specific angle and checking for cracks or fractures. It is essential for assessing coil durability in industries like construction or automotive. 3. Impact testing: This method determines the ability of steel coils to withstand sudden shocks or impacts. It involves striking the coil with a heavy object and measuring energy absorption or deformation. Impact testing helps identify coil toughness and resistance to sudden loading conditions. 4. Corrosion testing: Steel coils often face corrosive environments like moisture or chemicals. Corrosion testing examines the resistance of steel to degradation caused by these agents. Salt spray or electrochemical testing simulates and evaluates coil durability in corrosive conditions. 5. Fatigue testing: This method assesses the ability of steel coils to endure repeated loading and unloading cycles. It subjects the coil to cyclic stresses until failure. Fatigue testing is crucial in machinery or infrastructure applications where coils experience repetitive loading. 6. Hardness testing: This method gauges the resistance of steel coils to indentation or scratching, providing information about their strength and wear resistance. Common hardness tests include Brinell, Rockwell, and Vickers methods. 7. Non-destructive testing: In addition to the destructive methods mentioned above, non-destructive techniques like ultrasonic testing, magnetic particle inspection, or X-ray testing are used to detect internal defects or flaws without damaging the coil. By utilizing these testing methods, manufacturers and industries can ensure that steel coils meet the required durability standards and perform reliably in their intended applications.
- Q:How are steel coils inspected for paint adhesion using adhesion testers?
- Steel coils are inspected for paint adhesion using adhesion testers in a systematic and rigorous manner. Adhesion testers are devices specifically designed to evaluate the bond strength between the paint and the underlying steel surface. The inspection process begins by selecting representative samples from the steel coils. These samples are usually cut into smaller sections, ensuring that they are free from any defects or surface irregularities that could affect the adhesion test results. Once the samples are prepared, the adhesion testers are employed to measure the force required to detach the paint coating from the steel surface. The most commonly used adhesion tester is the cross-cut adhesion tester. This device consists of a set of blades arranged in a grid pattern. The blades are used to create a series of cuts through the paint coating down to the steel surface, forming a grid of squares or rectangles. After the cuts are made, a specialized tape is applied to the grid area and pressed firmly onto the surface. The tape is then rapidly pulled off at a 90-degree angle to the surface. The force required to remove the paint coating from the steel is measured and recorded. The results of the adhesion test are evaluated based on predetermined standards or specifications. These standards typically define the minimum acceptable adhesion strength for the specific application or industry. If the measured adhesion strength falls below the specified threshold, it indicates poor paint adhesion, which could lead to issues such as paint delamination or corrosion. In addition to the cross-cut adhesion tester, other adhesion testing methods may also be used, such as the pull-off adhesion tester, where a hydraulic or mechanical device applies a tensile force to a small circular or dolly-shaped test area. The force required to pull off the dolly is measured and used to assess the paint adhesion. Overall, the use of adhesion testers ensures that steel coils are thoroughly inspected for paint adhesion. This helps to identify any potential adhesion issues early on, allowing for appropriate remedial measures to be taken to ensure the longevity and performance of the paint coating.
- Q:Why is steel used for building purpose and not any other metal?
- Steel is used for building purpose because of its steadfast quality. The steel has an intense resistance which renders it completely immune to dangers of corrosion, climatic variations, weather fluctuations and other environmental hazards, thereby making it the most suitable metal for exterior surface of the building. Internal structure of steel also helps the building to have strength at the core which enables it to stand erect for a longer time.
- 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:What are the different methods of tension leveling for steel coils?
- There are various techniques available for tension leveling steel coils, each with its own benefits and applications. 1. Roller leveling: By passing the steel coil through a series of rollers under high tension, strategically positioned to exert pressure on the coil, this method effectively stretches and elongates the coil. It is commonly used for thinner gauge coils and effectively eliminates defects such as coil set, crossbow, and edge wave. 2. Stretch leveling: This technique involves subjecting the steel coil to a combination of tension and elongation. The coil is held by clamps at both ends and then stretched using hydraulic or mechanical devices. This process helps remove residual stresses, flatten the coil, and enhance shape control. Stretch leveling is particularly suitable for thicker gauge coils, effectively eliminating wavy edges and center buckle. 3. Temper rolling: By passing the steel coil through a series of temper rolls that apply pressure on the surface, this method is primarily used to improve the surface finish and enhance the mechanical properties of the steel. It also helps reduce coil set and improve flatness. 4. Skin pass rolling: After the primary leveling process, the steel coil is passed through a series of rolls that apply light pressure on the surface. This technique is typically performed to further improve surface finish, enhance flatness, and reduce surface defects such as scratches or marks. 5. Stretcher leveling: This technique involves clamping the steel coil at both ends and applying tension to stretch it. The stretched coil is then held in this position for a specific duration to allow for stress relief and shape correction. It is commonly used for thicker gauge coils and effectively removes defects like coil set, crossbow, and center buckle. Each tension leveling method offers distinct advantages and is suitable for different types of steel coils and specific requirements. The choice of method depends on factors such as coil thickness, desired flatness, surface finish, and the specific defects that need to be corrected.
- Q:How are steel coils used in the manufacturing of pipes?
- Steel coils are used in the manufacturing of pipes by being uncoiled and fed into a pipe-making machine. The steel is then shaped and welded to form a continuous pipe, which is cut and shaped to the desired length and diameter.
- Q:Where can you buy a steel polearm in a shop or if someone has a file in Scania than can you sell me one ill buy it for 150k my account is tonypark500
- you dont buy it, you earn it in the lottery cassandra was doing(it passed).
JNSTEEL was founded in 1958, 38,000 employees , total assets of 42.2 billion yuan , the products in the plate , plate, hot-rolled sheet , cold-rolled sheet based, is now the Shandong is the state-owned Assets supervision and Administration Commission provincial conglomerates.
1. Manufacturer Overview |
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|---|---|
| Location | Shandong, China |
| Year Established | 1958 |
| Annual Output Value | |
| Main Markets | Mid East Northern Europe North America Eastern Asia Africa Eastern Europe Southeast Asia Western Europe Southern Europe |
| Company Certifications | ISO 9001 |
2. Manufacturer Certificates |
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|---|---|
| a) Certification Name | |
| Range | |
| Reference | |
| Validity Period | |
3. Manufacturer Capability |
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|---|---|
| a)Trade Capacity | |
| Nearest Port | Tianjin; Qingdao |
| Export Percentage | 80% |
| No.of Employees in Trade Department | 100People |
| Language Spoken: | English; Chinese; Korean |
| b)Factory Information | |
| Factory Size: | |
| No. of Production Lines | |
| Contract Manufacturing | OEM Service Offered; Design Service Offered |
| Product Price Range | Average |
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Best Quality Hot Rolled Steel Coil by Steel Coil Manufacturers from China
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT or L/C
- Min Order Qty:
- 50 m.t.
- Supply Capability:
- 50000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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