HOt rolled Steel Coil/Sheet/strip/Sheet -SAE J403
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 500000 m.t./month
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Description:
Product: | Hot Rolled Steel Coils/Sheets |
Material: | Q195,Q235,A36,SS400,S235JR,Q345,ST37-2, CCSB etc |
Standard : | JIS G3002 GB/T251B |
Technique: | hot rolled |
Thickness | 1.2mm to 200mm |
Tolerance of thickness: | :+/-0.03mm |
Width: | 750mm-2000mm |
Tolerance of width: | :+/-5.00mm (aiming to +/-2.00mm) |
Normal width: | 914mm, 1000mm, 1200mm, 1219mm, 1250mm,1500mm |
Length: | According to requirement |
Coil ID: | 508mm-610mm |
Coil Weight: | 10-25 Metric Tons |
Surface: | Black, Chromate, fingerprint resistant treatment, slight oiled or non-oiled, dry |
Port of Loading: | Tianjin/Shanghai port |
Packaging Details: | Standard export packing or according to the clients required |
Delivery Time | Within 30 days after received 30% deposit or workable L/C |
Payment Terms: | L/C,T/T |
Images:
We can ensure that stable quality standards are maintained, strictly meeting both market requirements and customers’ expectations. Our products enjoy an excellent reputation and have been exported to Europe, South-America, the Middle-East, Southeast-Asia, Africa and Russia etc.. We sincerely hope to establish good and long-term business relationship with your esteemed company.
- Q: What are the different types of steel coil packaging techniques?
- There are several different types of steel coil packaging techniques that are commonly used in the industry. These packaging techniques are designed to protect the steel coils during storage, transportation, and handling, ensuring that they arrive at their destination in optimal condition. One type of steel coil packaging technique is known as "eye-to-the-sky" packaging. In this method, the steel coils are stacked vertically with the eye of the coil facing upwards. They are then secured using steel strapping or banding. This technique is often used for smaller coils and provides good protection against damage caused by handling and transportation. Another common packaging technique is known as "eye-to-the-wall" packaging. In this method, the steel coils are stacked horizontally with the eye of the coil facing the wall. They are then secured using steel strapping or banding. This technique is often used for larger coils and provides better stability during transportation. A third packaging technique is known as "shrink-wrapping." In this method, the steel coils are wrapped tightly in a plastic shrink-wrap material. This provides protection against moisture, dust, and other contaminants. Shrink-wrapping is often used when the steel coils need to be stored or transported outdoors or in harsh environments. Additionally, some steel coil packaging techniques involve the use of wooden pallets or skids. The coils are placed on these pallets or skids, which provide a stable base and allow for easy handling with forklifts or other equipment. The coils can then be secured to the pallets or skids using steel strapping or banding. Overall, the choice of steel coil packaging technique depends on factors such as coil size, transportation requirements, and environmental conditions. By selecting the appropriate packaging technique, steel coils can be effectively protected and delivered to their destination without damage or deterioration.
- Q: How are steel coils used in the production of metal enclosures?
- Steel coils are used in the production of metal enclosures as they provide the raw material needed for forming and shaping the enclosure. The steel coils are processed and cut into sheets or strips, which are then bent, welded, or stamped to create the desired shape and structure of the enclosure. These steel sheets offer strength, durability, and a smooth surface finish to the final product, making them ideal for manufacturing metal enclosures used in various industries such as automotive, electronics, and construction.
- Q: Are steel coils resistant to rust and corrosion?
- Yes, steel coils are typically resistant to rust and corrosion due to their protective coating or treatment that prevents the steel from coming into direct contact with moisture or oxygen.
- Q: What are the common size limitations for steel coils?
- The common size limitations for steel coils vary depending on the specific application and manufacturing capabilities. However, typical size limitations for steel coils range from a few millimeters in thickness to several millimeters or even meters in width and length.
- Q: This question gets beat to death from what ive seen online but im going to ask it since im searching for a few new knives. The question is as the titles states what is the best steel for a general purpose knife? I plan on buying several different types of knives, Folders, fixed blades, ect. I will carry them around with me all the time for basically anything i can think of to use it for. The reason i ask this question here is because looking online everyone has a differnt veiw. Some say stainless is too soft while others say carbon will chip and is more brittle. Even looking at just a single type of steel, carbon fort instance everyone has a different opinion as to whats best leaving me kind of lost for what i should get. Maybe the better word would be What is a good general purpose steel?. Any advice is much appreciated!!!!
- Do you want apples or oranges? It's that kind of question. Here's my opinion. For large blades (over 6) 5160 or L-6 done properly makes a nearly unbreakable knife. I once pulled my 65lb vice out of the work bench with an 8 L-6 blade. As carbon content goes up edge holding increases but at the cost of overall strength. For smaller blades I prefer O-1 and 52100, these steels have about twice the edge holding as 5160 but cannot pass the 90deg bend test without breaking. 1095 is a fine steel, I prefer to make damascus from it, but when I do make a blade I want to show a temper line as this steel will do it well. Then we get into high alloy, D-2 is about as balanced as they come and for a smaller blade is second to none save the CPM steels. The CPM steels are very expensive and like the homogonous steel come in many alloys. As far as a chipping edge, that's more an indication of improper heat treating than anything. Carbon steel has more strength and edge holding potential than stainless. D-2 has enough chromium to be somewhat stainless but not beyond the threshold that grain growth becomes an issue. One last thing, the grind is important. The popular hollow grind cuts easily but is weak at the edge because it is thin. A flat grind has more mass and done properly cuts as well as the hollow. The convex is the strongest and is best suited for chopping or a polished edge to push through the material.
- Q: How are steel coils inspected for bendability using bend testers?
- Bend testers are specialized machines utilized to inspect the bendability of steel coils, measuring their flexibility and resistance against bending. The inspection process involves multiple steps to guarantee precise and dependable outcomes. To begin with, the steel coil is prepared by securing it firmly in place, typically using clamps or other mechanisms to prevent any movement during testing. This ensures stability and enables consistent and repeatable measurements. Following that, the bend tester is set up according to the specified testing parameters. These parameters usually include the desired bend angle, the speed at which the bend is applied, and the number of cycles to be performed. The bend tester is equipped with a bending mechanism that applies a controlled force on the coil, simulating the bending conditions it may experience in its application or use. Once the bend tester is ready, the bending process commences. The machine gradually applies an increasing force to the steel coil until it reaches the desired bend angle. Careful measurement and monitoring of this force take place throughout the process to ensure accuracy. While the bending process is underway, the machine records and displays significant data, such as the applied force, the angle of bend, and any indications of cracking or other defects. This data is crucial for evaluating the bendability of the steel coil and determining its compliance with required standards. Once the desired bend angle is attained, the coil is released from the bending mechanism, allowing any residual stresses to relax. This relaxation period is essential for observing any potential spring-back effect, where the coil partially returns to its original shape after bending. The amount of spring-back is also measured and recorded for further analysis. Finally, the inspection results are analyzed to assess the overall bendability of the steel coil. If the coil meets the specified bendability criteria, it can be deemed acceptable for its intended application. However, if any cracks, fractures, or excessive spring-back are detected, further investigation and analysis may be necessary to identify the cause and determine appropriate corrective actions. In conclusion, bend testers play a crucial role in inspecting the bendability of steel coils. Through a controlled and systematic process, these machines accurately measure flexibility and resistance to bending, ensuring the quality and reliability of steel coils used in various industries.
- Q: What are the surface treatments for steel coils?
- Some common surface treatments for steel coils include galvanizing, painting, and coating. These treatments are applied to protect the steel from corrosion, improve its appearance, and enhance its durability.
- Q: What are the quality standards for steel coil production?
- The quality standards for steel coil production typically include factors such as dimensional accuracy, surface finish, mechanical properties, chemical composition, and adherence to industry-specific standards and specifications. These standards ensure that the steel coils meet the required strength, durability, and performance criteria, and are suitable for various applications in industries like automotive, construction, and manufacturing.
- Q: What are the different methods of coil flattening for steel coils?
- Coil flattening for steel coils can be achieved through various methods, each having its own advantages and limitations. Some commonly employed techniques are as follows: 1. Roller leveling: By passing the steel coil through a series of rollers that exert pressure, this method flattens the coil. The rollers can be adjusted to achieve the desired level of flatness. Roller leveling is a versatile approach capable of handling a wide range of coil sizes and thicknesses. 2. Precision leveling: This method employs a more advanced leveling machine that applies pressure to specific areas of the coil to eliminate any waviness or defects. Precision leveling is commonly used for high-quality steel coils that require exceptionally flat surfaces. 3. Stretch leveling: Also known as tension leveling, this technique involves stretching the steel coil beyond its yield point, causing permanent deformation and flattening. Stretch leveling is frequently used for thinner gauge coils and effectively eliminates coil set and crossbow defects. 4. Temper rolling: This method subjects the steel coil to a controlled low-temperature heat treatment followed by cold rolling. The combination of heat and cold rolling helps relieve internal stresses and improve flatness. Temper rolling is particularly suitable for coils that require enhanced surface quality. 5. Laser flattening: This advanced method utilizes laser technology to selectively heat and flatten specific areas of the coil. Laser flattening is highly precise and capable of correcting localized defects or unevenness. However, due to its higher cost, it is typically used for smaller coils. It is essential to consider various factors, such as desired flatness requirements, coil dimensions, material properties, and production budget, when selecting the most appropriate coil flattening method.
- Q: How are steel coils inspected for weldability?
- Steel coils are inspected for weldability using various methods, such as visual examination, non-destructive testing (NDT) techniques like ultrasonic testing or magnetic particle inspection, and chemical analysis. These inspections help identify any surface defects, internal discontinuities, or impurities that may affect the weldability of the steel coils.
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HOt rolled Steel Coil/Sheet/strip/Sheet -SAE J403
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 500000 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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