• Cold Rolled Steel Coil--Best Quality in China System 1
  • Cold Rolled Steel Coil--Best Quality in China System 2
  • Cold Rolled Steel Coil--Best Quality in China System 3
  • Cold Rolled Steel Coil--Best Quality in China System 4
Cold Rolled Steel Coil--Best Quality in China

Cold Rolled Steel Coil--Best Quality in China

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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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Cold Rolled Steel Coil--Best Quality in China

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

Cold Rolled Steel Coil--Best Quality in China

Cold Rolled Steel Coil--Best Quality in China

Cold Rolled Steel Coil--Best Quality in China

 

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

Chemical composition:

C

Si

Mn

Cr

Ni

P

S

0.150

0.476

11.231

12.50

0.900

0.039

0.010

 

 

5. FAQ of Cold Rolled Steel

1.How to guarantee the quality of the products

We have established the international advanced quality management systemevery link from raw material to final product we have strict quality testWe 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:The knife will be large and thick. Like the Bowie knife Rambo uses in Rambo III. It doesn't need to be flexible or to hold the edge very well. But i need it to be exceptionally strong material and to stop corrosion at least decently. Is Damascus Steel good?Thank you, in advance.
Damascus steel is the poorest quality. The laminations separate under stress. Centuries ago the only way to get steel bars was to make it up by hammering wires together in a series of welds. The welds usually were porous and the steel would fail. The pattern of the welds is attractive to some people. An old file has good hard steel and wiill make up into a knife if it is annealed to make it easier to shape and cut. The hardness can be restored by tempering. Treating with oil is the cure to prevent rust.
Q:How are steel tape measures installed?
The spring piece is fixed on the shaft, the other end is connected with the measuring tape core, fixed tape shell with a shaft, the spring plate and a circle around the axis of the ruler core, wrapped after the ruler core extends from the outer end of the incision length of the shell, gently pull, the spring is tightened, the pull out the part from the incision and then removed around the shaft, then gently pull out, and then put the ruler core tied to the shaft, removed from the incision so repeatedly, until the spring to put all the ruler core recovery. Then a cotter pin on the central shaft installed on the lid, will tighten the screws.
Q:What are the different methods of surface inspection for steel coils?
There are several different methods of surface inspection for steel coils, each with its own advantages and limitations. Some of the most commonly used methods include: 1. Visual Inspection: This is the simplest and most basic method, where an inspector visually examines the surface of the steel coils for any defects such as scratches, dents, or discoloration. While this method is subjective and dependent on the skill and experience of the inspector, it can be a cost-effective option for detecting obvious surface defects. 2. Magnetic Particle Inspection (MPI): This method involves applying a magnetic field to the steel coil and then applying iron particles on the surface. Any defects or cracks in the surface will disrupt the magnetic field, causing the particles to gather at those areas and making the defects visible. MPI is particularly useful for detecting surface cracks and defects that may not be easily visible to the naked eye. 3. Eddy Current Testing (ECT): ECT is a non-destructive testing method that uses electromagnetic induction to detect surface defects on steel coils. A probe with a coil is placed near the surface of the coil, generating an alternating magnetic field. Any changes in the electrical conductivity or magnetic permeability of the steel due to surface defects will cause a change in the induced current, which can be detected and analyzed. ECT is effective for detecting cracks, corrosion, or other surface irregularities. 4. Ultrasonic Testing (UT): This method uses high-frequency sound waves to inspect the surface and subsurface of steel coils. A transducer sends ultrasonic waves into the steel, and the reflected waves are analyzed to detect any changes or anomalies in the material. UT can identify defects such as cracks, delaminations, or voids within the coil, providing valuable information about the overall structural integrity of the steel. 5. Optical Inspection: This method utilizes advanced imaging techniques, such as cameras or laser scanners, to capture high-resolution images of the surface of steel coils. These images can be analyzed for defects, such as scratches, pits, or other irregularities. Optical inspection can provide detailed information and is often used in conjunction with other methods for a comprehensive inspection. It is important to note that each method has its own limitations and may be better suited for specific types of defects or surface conditions. Therefore, a combination of these methods is often employed to ensure a thorough and accurate inspection of steel coils.
Q:What are the different types of steel coil edge conditioning methods?
There are several different types of steel coil edge conditioning methods, including slitting, trimming, chamfering, deburring, and edge rolling. Slitting involves cutting the coil into narrower strips, while trimming removes any excess material from the edges. Chamfering is the process of creating a beveled edge, while deburring removes any burrs or sharp edges. Edge rolling is another method used to smooth and shape the edges of the steel coil.
Q:How long can steel coils be stored before they need to be used?
Steel coils can typically be stored for an extended period of time without any significant degradation. However, it is recommended to use them within 6 to 12 months to prevent any potential corrosion or damage.
Q:Cold rolled steel coil steel, what is the difference?
Cold: hot rolled steel coil as raw material by pickling descaling after cold rolling, the finished rolling hard volumes, due to continuous deformation caused by cold hardening the volume rolling hard strength, hardness, toughness index rise decline, so the stamping performance will deteriorate, only for a simple deformation of parts. Rolled hard rolls can be used as raw material for hot galvanizing plants. Because the hot galvanizing units are equipped with annealing lines, the steel coils are rolled continuously at room temperature. Its strength is very high, but toughness, weldability is slightly worse, bright surface, not easy to corrosion, in order to prevent rust, the factory surface is coated with a protective layer of oil (hot rolling did not). Because of the complexity of the process, the price is higher.
Q:Not sure if stainless steel is actually sealable but what's the best way to clean a brushed stainless steel appliance to not get so many finger prints...etc. I have stainless steel wipes that I used on another appliance and they don't work so great.
Straight white vinegar on a clean white cloth does an amazing job on all my appliances. Makes the kitchen smell great to.
Q:How do steel coils contribute to the manufacturing of HVAC systems?
Steel coils play a crucial role in the manufacturing of HVAC systems. These coils are typically made from high-quality steel, which offers exceptional strength, durability, and heat resistance. One of the main uses of steel coils in HVAC systems is for heat exchangers. Heat exchangers are vital components that facilitate the transfer of heat between two different mediums, usually air and a refrigerant. In an HVAC system, steel coils are used in both the evaporator and condenser coils. The evaporator coil absorbs heat from the air inside a building, while the condenser coil releases heat to the outside environment. These coils are designed with numerous tubes that are coiled and connected with fins. The steel construction of these coils ensures that they can withstand high-pressure environments and resist corrosion, ensuring long-term reliability and efficiency of the HVAC system. Steel coils also contribute to the overall structural integrity of HVAC systems. They are commonly used in the fabrication of ductwork, which is responsible for distributing conditioned air throughout a building. The strength and rigidity of steel coils allow ductwork to maintain its shape and structural integrity under various conditions, including high air pressure and temperature fluctuations. Furthermore, steel coils are often used in the fabrication of HVAC system cabinets and enclosures. These cabinets house various components of the system, such as compressors, fans, and control panels. The robustness of steel coils ensures that the cabinets can withstand external forces, protect the internal components, and provide a secure housing for the entire HVAC system. In summary, steel coils are essential components in the manufacturing of HVAC systems. Their strength, durability, and heat resistance make them ideal for heat exchangers, ductwork, cabinets, and enclosures. By utilizing steel coils, HVAC manufacturers can produce systems that efficiently and effectively regulate temperature, improve indoor air quality, and provide comfort in various residential, commercial, and industrial settings.
Q:Which is more reactive? Zinc or Steel? And why?
Zinc. Steel is an alloy consisting mostly out of iron, In the reactivity seris, zinc is more reactive than iron. Therefore, zinc is more reactive than steel
Q:given the buoyant economic growth of india, what you guys think about steel industry? what can be the major issues in this industry in the coming days
Since2003, India has been the largest sponge iron producer in the world. In 2005, out of total global production of 56.05 mt of sponge iron, India produced around 11.1 mt (19.8%). In line with production target of 110 mt of steel (National Steel Policy) by FY20, many steel producers have announced their capacity expansion plans by signing MOUs with various state governments like Chattisgarh, Orissa and Jharkhand. The steel producers are expected to add around 8 mt of capacity by FY 08. CARE estimates that during 2006-09, demand for steel in the domestic market would grow at a CAGR of 8.4%. HR steel because of its widespread applicability is expected to grow at a CAGR of 17.5%. During this period, major demand drivers would be Consumer durables, Automobiles and Construction. Domestically, steel prices of flat products follow the international trend. Globally, steel prices are expected to firm up with continued growth in steel consumption. Further, the winds of consolidation have gathered pace with Arcelor-Mittal merger and latest acquisition of Corus by Tata Steel. The Indian steel industry has announced huge capacity expansions. With commissioning of these capacities demand-capacity ratio is expected to decline in FY 09 due to excess capacity. Will this lead to a drop in prices with commissioning of these capacities? With China and India becoming the focus of major global steel companies, will the consolidation of steel industry in these countries continue? For comprehensive analysis and CARE’s future outlook on the sector, please refer to the exhaustive report on the Indian Steel Industry by CARE Research.

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