Cold Rolled Steel Coil Q195~Q345 China Best Quality

Cold Rolled Steel Coil Q195~Q345 China Best Quality System 1

Cold Rolled Steel Coil Q195~Q345 China Best Quality System 2

Cold Rolled Steel Coil Q195~Q345 China Best Quality System 3

Cold Rolled Steel Coil Q195~Q345 China Best Quality

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Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 50 m.t.

Supply Capability:: 10000 m.t./month

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1.Structure of Cold Rolled Steel Coil Q195~Q345 China Best Quality：

The raw material of cold rolled steel coil/sheet is high quality hot rolled product, and after pickling continuous rolling, degreasing, annealing,skin pass,slitting and cut to length line etc. Along with it many kinds of new technology and new process of global cold rolling production have been applied. Therefore the quality of the goods could be guaranteed.

2.Main Features of Cold Rolled Steel Coil Q195~Q34

• Excellent process capability

• Smooth and flat surface

• Excellent heat resistance performance

3. Cold Rolled Steel Images：

Cold Rolled Steel Coil Q195~Q345 China Best Quality

4.Cold Rolled Steel Specification

Standard:AISI,ASTM,DIN,GB,JIS,JIS G3302 ASTM 653M EN10142

Grade: Q195~Q345

Thickness: 0.16mm~2.0mm

Width: 1250mm MAX

Coil weight:3-12 MT

Coil ID:508/610mm

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

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: Can steel coils be cut to length?: Yes, steel coils can be cut to length.

Q: What is the role of steel coils in the manufacturing of bridges?: Steel coils play a crucial role in the manufacturing of bridges as they are used as the primary material for constructing the structural components of the bridge, such as beams, columns, and girders. These coils are manufactured by rolling steel into flat strips, which are then wound into large coils. The high strength and durability of steel make it an ideal choice for bridge construction, as it can withstand heavy loads, extreme weather conditions, and provide long-lasting support. The coils are processed further to fabricate the required bridge components, ensuring the structural integrity and stability of the bridge.

Q: How do steel coils impact the overall cost of production?: Steel coils can have a significant impact on the overall cost of production. The cost of steel coils is a major component in the production process, as they are used as raw materials in various industries such as automotive, construction, and manufacturing. Fluctuations in the price of steel coils can directly affect the cost of production, ultimately influencing the final price of the end product. Additionally, factors such as transportation and storage costs also contribute to the overall impact of steel coils on production costs.

Q: So...that means Wolverine can stab him, right? Because Adamantite is stronger than steel. Correct?: Not really, it's just a nickname. Wolverine couldn't stab Superman.

Q: so why shouldn't one use a steel cased 223 in an ar15?: You can. A steel case is cheaper to make than a brass case, resulting in cheaper ammo, in wich they normaly use cheap, corrosive loadings. So steel cased stuff will normally be very dirty to shoot. Clean your gun after shooting and you will be fine. The story of them wearing the extractor is crap, however: the extractor is made of a steel way harder than the cheapo-steel the case is made of. It wonn? scrach it. Even if it would, considering the amount of money you save with the cheap ammo like bear and wolf, changing the extractor once in a while would still be saving you a ton of money.

Q: What are the common welding methods used for steel coils?: There are several common welding methods used for steel coils, depending on the specific requirements and applications. Some of the most widely used methods include: 1. Shielded Metal Arc Welding (SMAW): Also known as stick welding, SMAW uses an electrode coated in flux to create an arc between the electrode and the base metal. This method is commonly used for its simplicity and versatility, making it suitable for a wide range of steel coil welding applications. 2. Gas Metal Arc Welding (GMAW): Also known as MIG (Metal Inert Gas) welding, GMAW uses a continuous wire electrode and a shielding gas to protect the weld pool from atmospheric contamination. This method is favored for its high welding speed and excellent control over the welding process. 3. Flux-Cored Arc Welding (FCAW): Similar to GMAW, FCAW uses a continuously fed tubular electrode filled with flux to protect the weld pool. This method is often preferred for its high deposition rates and ability to weld thicker steel coils, making it ideal for heavy-duty applications. 4. Gas Tungsten Arc Welding (GTAW): Also known as TIG (Tungsten Inert Gas) welding, GTAW uses a non-consumable tungsten electrode and an inert gas shield to protect the weld pool. This method is commonly used for its precise control, high-quality welds, and ability to weld thin materials. 5. Submerged Arc Welding (SAW): SAW involves the formation of an arc between a continuously fed wire electrode and the steel coil, while a granular flux covers the arc and weld area. This method is frequently used for its high productivity and ability to weld thick materials. Each of these welding methods has its own advantages and limitations, and the choice of method depends on factors such as the thickness of the steel coil, desired welding speed, weld quality, and application requirements.

Q: What are the different methods of roll forming steel coils?: There exists a variety of techniques for roll forming steel coils, each possessing distinct features and uses. Some prevalent methods encompass: 1. Conventional Roll Forming: This technique, widely employed, involves gradually shaping a continuous steel strip into the desired profile by passing it through a series of rollers. It offers high precision and repeatability, making it ideal for manufacturing intricate shapes and profiles. 2. Pre-Punch and Cut: With this method, the steel strip is pre-punched with holes or slots before undergoing roll forming. This facilitates easier cutting and shaping during the forming process, enhancing efficiency and reducing waste in specific applications. 3. Post-Punch and Cut: Similar to pre-punching and cutting, this method adds holes or slots after the roll forming process. It provides greater flexibility in creating customized shapes and designs since the holes can be precisely placed as required. 4. Post-Forming: On certain occasions, the steel strip is initially roll formed into a basic shape or profile, which is then further manipulated or formed. This approach allows for additional customization and enables the creation of more intricate geometries. 5. Progressive Roll Forming: This technique involves continuously passing the steel strip through a series of rollers, with each roller gradually adding a distinct feature or forming a specific part of the final profile. Progressive roll forming is commonly utilized for lengthy, continuous profiles with repetitive shapes. 6. Incremental Roll Forming: In this method, the steel strip is incrementally shaped by means of small movements of the rollers. It provides greater flexibility in shaping complex profiles and proves particularly useful for producing prototypes or low-volume production runs. Ultimately, the selection of a roll forming method depends on the specific requirements of the application, such as the desired shape, complexity, precision, and production volume. Each method presents its own advantages and limitations, and manufacturers typically choose the most suitable technique based on these factors.

Q: which cost more: ALLOY, GUNMENTAL OR STAINLESS STEEL. GIVE ME AN IDEA OF THE COST OF EACH.: Alloy okorder /

Q: What are the different methods of pickling steel coils?: There are several methods of pickling steel coils, including acid pickling, electrolytic pickling, and mechanical pickling. Acid pickling involves immersing the coils in a bath of diluted acid, such as sulfuric acid or hydrochloric acid, to remove surface oxides and impurities. Electrolytic pickling uses an electric current to remove the oxide layer from the steel coils, usually in a solution of sulfuric acid. Mechanical pickling involves scrubbing the coils with abrasive materials or using mechanical rollers to remove the scale and impurities. Each method has its own advantages and is chosen based on the specific requirements and conditions of the steel coils.

Q: What are the different types of steel coil surface treatment methods?: There are several different types of steel coil surface treatment methods, including galvanizing, painting, powder coating, and pickling. Galvanizing involves applying a layer of zinc to the steel surface to protect against corrosion. Painting provides a decorative and protective coating by applying a layer of paint. Powder coating involves electrostatically applying a dry powder onto the steel surface, which is then cured to form a durable coating. Pickling is a chemical process that removes impurities and scales from the steel surface, resulting in a clean and smooth finish.

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