Best Quality of Cold Rolled Steel Coil of China

Best Quality of Cold Rolled Steel Coil of China System 1

Best Quality of Cold Rolled Steel Coil of China System 2

Best Quality of Cold Rolled Steel Coil of China

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 100 m.t.

Supply Capability:: 100000 m.t./month

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1.Structure of Cold Rolled Steel Description：

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. The product is widely used in outdoor and interior decoration, furnishing manufacturing, home appliance, automobile etc.

2.Main Features of the Cold Rolled Steel：

• Excellent process capability

• Smooth and flat surface

• Workability, durability

• Excellent heat resistance performance

• High strength

• Good formability

• Good visual effect

3.Cold Rolled Steel Images

Best Quality of Cold Rolled Steel Coil of China

4.Cold Rolled Steel Specification

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

Grade: Q195~Q345

Thickness: 0.16mm~1.5mm,0.16-1.5mm

Width: 1250,600-1250mm

Coil weight:3-12 MT

Coil ID:508/610mm

Chemical composition:

0.150

0.476

11.231

12.50

0.900

0.039

0.010

5.FAQ of Cold Rolled Steel

We have organized several common questions for our clients，may help you sincerely：

1.How about your company？

A world class manufacturer & supplier of castings forging in carbon steel and alloy steel，is one of the large-scale professional investment casting production bases in China,consisting of both casting foundry forging and machining factory. Annually more than 8000 tons Precision casting and forging parts are exported to markets in Europe,AmericaandJapan. OEM casting and forging service available according to customer’s requirements.

2.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.

3. 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: I am doing a project on how revolvers work and what materials they use and would like to know what specific grade of stainless steel they use for the manufacturing of the frame and cylinder?: *Rifle barrels are usually made from steel alloys called ordinance steel, nickel steel, chrome-molybdenum steel, or stainless steel, depending upon the requirements of the cartridge for which they are chambered. The higher the pressure and velocity of a cartridge (pressure and velocity usually go up together), the faster it will wear out a barrel. To give a satisfactory service life, barrels for high velocity cartridges must me made from tougher and harder steel than barrels for lower pressure cartridges. *The 400 (416) series SS commonly known as ordnance grade , is what barrels are made from . *If you want your barrel to be made from super alloy then it is 718 Inconel ,but a costly affair.

Q: How are steel coils used in the production of steel drums?: Steel coils are used in the production of steel drums by being unwound and shaped into circular sheets. These sheets are then formed into the body of the drum, providing the necessary strength and durability.

Q: I am a complete idiot when it comes to anything musical, so please forgive me if this is a stupid question. I bought my son his first guitar, acoustic and didnt realize until after I purchased it that it has steel strings. Can I have the strings changed from steel to nylon???: Haha, You're too cute for me. Did you buy Alex the guitar? Just wait until your boys become the next Jonas Brothers :)

Q: What are the key factors affecting the strength of a steel coil?: The key factors affecting the strength of a steel coil are the quality of the raw material used, the manufacturing process employed, the level of heat treatment, and the presence of any impurities or defects in the steel.

Q: What are the common industry standards for steel coils?: The common industry standards for steel coils include specifications related to dimensions, weight, chemical composition, mechanical properties, and surface finish. These standards are often set by organizations such as the American Society for Testing and Materials (ASTM), International Organization for Standardization (ISO), and the Steel Industry Associations.

Q: How are steel coils used in the manufacturing of automotive accessories?: Steel coils are used in the manufacturing of automotive accessories as they are processed and shaped into various components such as brackets, frames, and supports. These coils are typically cut, molded, and stamped into specific shapes before being assembled into the final product, adding strength and durability to the accessories.

Q: What does "steel roll number" mean?: For the future production, improve production efficiency, reduce operating costs.

Q: What are the common tests performed on steel coils for quality assurance?: Steel coils undergo various tests to ensure their quality and compliance with industry standards and customer needs. Dimensional inspection is a prevalent test that measures the length, width, and thickness of the coils to verify their specified dimensions. Any deviations in dimensions can indicate potential quality issues. A thorough visual inspection is also conducted to identify defects and surface imperfections like scratches, dents, or rust. This examination is crucial to identify any visual flaws that may affect the coils' performance or appearance. Furthermore, mechanical tests are carried out to assess the strength and durability of the steel coils. Tensile tests measure the maximum force the steel can withstand before breaking, determining its tensile strength, yield strength, and elongation properties. Another commonly performed mechanical test is the hardness test, which determines the steel's resistance to indentation, indicating its strength and toughness. These tests are typically conducted using methods like Rockwell, Brinell, or Vickers. Corrosion resistance is also evaluated as a vital aspect of steel coil quality. Tests such as salt spray or humidity tests simulate harsh environmental conditions to assess the steel's ability to resist corrosion. Lastly, chemical composition analysis is performed to ensure that the steel coils contain the necessary elements in the correct proportions. This analysis verifies that the steel meets the required chemical properties, which significantly impact its performance and suitability for specific applications. In summary, these common quality assurance tests guarantee that steel coils meet industry standards, customer requirements, and are suitable for their intended use.

Q: What are the different types of steel coil cutting blades?: There are several different types of steel coil cutting blades, each designed for specific cutting applications. 1. Slitting Blades: Slitting blades are used for cutting steel coils into narrow strips. They typically have a straight cutting edge and are available in various widths to accommodate different slitting requirements. These blades are commonly used in industries such as automotive, construction, and metal fabrication. 2. Shearing Blades: Shearing blades are designed for cutting steel coils into flat sheets. They have a curved cutting edge that facilitates a clean and precise cut. Shearing blades are commonly used in steel service centers, where large coils are processed into flat sheets for further manufacturing processes. 3. Circular Blades: Circular blades, also known as rotary blades, are used for cutting steel coils in a continuous motion. These blades have a circular shape with sharp teeth around the edge, enabling them to cut through the coil as it passes through the cutting machine. Circular blades are commonly used in industries such as packaging, printing, and paper manufacturing. 4. Guillotine Blades: Guillotine blades are used for cutting steel coils with a straight downward motion. These blades have a straight cutting edge that moves vertically to cut through the coil. Guillotine blades are commonly used in heavy-duty cutting applications, such as cutting thick steel coils or large quantities of material. 5. Slitter Knives: Slitter knives are similar to slitting blades but are typically smaller and used in slitting machines that require multiple blades. They are often used in industries that require high-precision slitting, such as the production of electrical transformers or precision metal stamping. Each type of steel coil cutting blade has its own unique design and characteristics that make it suitable for specific cutting tasks. The selection of the appropriate blade depends on factors such as the thickness and width of the steel coil, the desired cut quality, and the specific application requirements.

Q: How are steel coils used in the production of wire products?: Steel coils are used in the production of wire products by being fed through a series of machines that shape and form the steel into wire. The coils are unrolled and passed through a rolling mill, where the steel is gradually reduced in thickness and elongated into wire. This wire is then further processed and treated to meet specific requirements, such as being annealed for improved strength or coated for corrosion resistance. Overall, the steel coils serve as the primary raw material for wire production, providing the necessary material for various wire applications across industries.

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