cold rolled steel coil DC03

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Packaging & Delivery

Packaging Detail:Wrapped by plastic film and waterproof peper,and then fastened on wooden or steel pallet,OR as customer's requirement
Delivery Detail:Within 20 days after T/T 30% deposit or L/C at sight

Specifications

Cold rolling / cold rolled sheet / cold rolled roils / cold rolled plate
Q195A-Q345A,,SPCC,SPCD,SPCE,ST12-15,DC01-06

Cold rolling / cold rolled sheet / cold rolled roils / cold rolled plate

1)high quality material and can fulfill the demands of different customers.

2) professional steel dealer
3)Experienced export staff
4)Reliable & Honorable

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high quality cold rolled plate1.0*1250*C DC03


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Q:What are the characteristics of cold rolled strip technology?
Pickling process: remove the oxide film on the surface of the raw material to ensure the high quality of the material;Rolling process: the raw material is rolled into the thickness required by the customer with a high precision mill;Bell type bright annealing: the material which is hardened by rolling can be restored to normal flexibility;Fine leveling: the softened material is refined into flat and easy to process finished material;Finished product: the finished product is packed with fine finish;Flat, strip: according to different requirements of customers, finished products straight, strip.
Q:What's the difference between hot rolled strip and cold rolled strip? What's the difference between hot rolled coil and cold rolled coil?
The term "steel coil" is strip steel whose width is greater than 600mm and its width is less than 600mm. It is called "narrow band", so hot rolled coil is called hot rolled strip steel. As for the difference between hot rolled coil and cold rolled sheet, it is aimed at the rolling state of the steel plate. The hot rolled coil is made by rolling the hot rolled slab.
Q:What is the hardness of cold rolled steel strip?
The thickness of cold rolled strip and sheet is 0.1 ~ 3mm, and the width is from 100 to 2000mm. The products are made of hot rolled strip or steel plate and rolled in cold rolling mill at room temperature. Cold rolled strip and sheet have the advantages of smooth surface, smooth surface, high dimensional accuracy and good mechanical properties. Most of the products are formed into rolls, and a large part of them are processed into coated steel plates. The roll cold rolled sheet has the advantages of high production efficiency, convenient operation and favorable follow-up processing. Therefore, widely used, it has gradually replaced the same thickness of hot rolled sheet. Only a small number of cold rolled alloy sheets for special purposes are rolled by single plate. The production of cold rolled strip and sheet steel accounts for about 30% of the total output of steel in developed countries. In addition to ordinary carbon steel, there are silicon steel, stainless steel and alloy structural steel, etc..
Q:What are the raw materials for making strip steel?
The cold rolled strip used for packing is made of plain carbon steel, low alloy structural steel, fine carbon steel and alloy structural steel. It is specially used for packing and strapping.
Q:What's the difference between strip 235 and 235b?
Q235 is Q235a, Q235 material according to the sulphur and phosphorus content from high to low is divided into ABCD four grades, grade a sulfur phosphorus was the highest relative performance (welding, plasticity) is the worst, D performance is the highest, the lowest content of parathion
Q:Reasons for black side of hot strip galvanizing
The content of zinc chloride in plating bath is too low, which leads to some parts can not be plated and lead to local blackening.
Q:Specification and use of cold rolled strip
Cold rolled strip specifications: cold rolled strip and sheet, the general thickness of 0.1 ~ 3mm, width of 100 ~ 2000mm; are hot rolled strip or steel plate as raw material, at room temperature by cold rolling rolling. Grades are generally: SPCC, Q195, Q235-B.
Q:What are the sectors in which galvanized steel strips can be used?
Galvanized steel strip is no exception. The production process of wire and cable is also improving, the quality of continuous progress, and give full play to the unique characteristics of galvanized steel strip. Considering that the cable is often subjected to radial external force during use, a galvanized steel pin mounting layer is added outside the cable shielding layer (between the shielding layer and the steel pin mounting layer). Galvanized steel is mainly used as the radial mechanical cable protection layer, at the same time, it also plays additional total shielding effect, especially steel tape and copper wire, copper tape shielding, adopts two different shielding materials, play a complementary role in electromagnetic shielding, shielding effect will be better. From this we can see that the quality of galvanized steel strip industry is continuously improving, and the application is also developing in a broad and meticulous way.
Q:What is the difference between steel strip and coil?
The coil is a thin steel sheet with a thickness of not more than 6 mm, usually less than 3 millimeters, but is rolled with a large mill due to its wide width. The width of the rolled strip is no more than 0.2 meters; the mill used is small, of course, the same thickness of the same material, the price of the coil is also more expensive than strip.
Q:65 what is the hardness of the best heat treatment of manganese steel strip?
65, the best heat treatment hardness of manganese steel strip depends on the application and heat treatment methods, such as the general in 45~50HRC, general heat treatment at 48 degrees, the best comprehensive mechanical properties.

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