Cold Rolled Steel Plate

Your Professional Cold Rolled Steel Plate Manufacturer

 

TIANJIN BO YI DA IMPORT AND EXPORT CO.,LTD is a modern production and exporting enterprise with professional experiences in international business.Our Product: galvanized steel, galvalume steel, PPGI, PPGL, hot rolled steel, cold rolled steel, stainless, wire rod, H-beam, steel pipe etc. The company is committed to providing customers with high-quality and reasonable price steel products and strives to create value for customers as its own responsibility.

 

 
 
Why Choose Us
 

High Quality
We take pride in the craftsmanship of our products and ensure that each one meets our strict standards for quality.

 

Production Market
Our products are exported to all over the world, including Africa (West Africa, East Africa, South Africa), Southeast Asian countries (Philippines, Vietnam, Singapore, Indonesia), and South American countries, etc. Our products are widely used in construction projects.

 

Global Shipping
Our company has a strong and professional logistics and distribution system, ready to meet our customers' various needs at any time.

 

End-to-end Services
☆Pre-Sales service

* Inquiry and consulting support.
* Sample testing support
* View our Factory.
After-Sales Service
*Videos or photos will send to customers
*100% Granutee quanlity and quantity.
*Vessel tracking.

 

Products Specifications

 

Thickness

0.12-5mm

Width

600-1500mm

Length

Customize

Grade

SGCC, SGCD, DX51D, DX52D, S350GD+Z etc.

Standard

AISI, CE, GS, ISO9001

Applications

Construction, light industry etc.

Type

Steel Plate

 

Advantages of Cold Rolled Steel Plate
Bright Cold Rolled Steel Plate
Bright Cold Rolled Steel Plate
Bright Cold Rolled Steel Plate
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Superior surface finish: Cold rolled steel plates have a smooth and polished surface finish. The rolling process at room temperature allows for greater control over surface quality, resulting in a clean and uniform appearance. The absence of mill scale gives cold-rolled sheets a visually appealing and consistent surface.

 

Excellent dimensional accuracy: Cold rolled steel plates are known for their high dimensional precision. The process involves multiple rolling passes, which can achieve tighter thickness tolerances and more consistent width throughout the sheet. This dimensional accuracy makes cold-rolled sheets suitable for applications that require precise and uniform thickness, such as automotive body panels and appliances.

 

Increased Hardness and Strength: Cold-rolling imparts increased hardness and strength to the steel sheets. The reduction in thickness during the process refines the grain structure, resulting in a higher density of grains. This denser grain structure contributes to improved mechanical properties, including higher tensile strength and hardness.

 

Improved Flatness: Cold rolled steel plates exhibit excellent flatness due to the controlled rolling process. The uniform thickness and surface finish minimize the occurrence of waviness or buckling, ensuring the sheets lay flat and straight. This characteristic is crucial for applications where flatness is a critical requirement, such as electronic components and precision parts.
 

Application of Cold Rolled Steel Plate
 
 
 

Automotive Industry

Engineers utilise cold rolled steel plate to make car body panels, structural reinforcements, and chassis components.High-strength variations of this steel make vehicles weigh less without jeopardising their safety performance.

 
 

Construction and Infrastructure

Cold-rolled steel plates are widely used in roofing, wall panels, and structural components.The product offers excellent architectural suitability because its uniform shape and outstanding material finish remain outstanding.

 
 

Appliance Manufacturing

Cold-rolled steel plates are used in refrigerators, washing machines, ovens, and air conditioning units.The material delivers a uniform surface for painting applications and raises its longevity.

 
 

Furniture and Storage Systems

Cold-rolled steel plate sizes vary to accommodate furniture manufacturing, filing cabinets, and shelving units.The material creates a precise finishing surface for contemporary interior applications.

 

 

Manufacturing Process of Cold Rolled Steel Plate

 
 

Hot rolling: The process begins with hot rolling, where large steel slabs are heated above their recrystallisation temperature and passed through rolling mills to reduce their thickness and form long coils or sheets.

 
 

Pickling: The hot-rolled steel coils are then pickled in an acid solution to remove impurities, scales, and oxides from the surface. This step improves the surface quality and prepares the steel for cold rolling.

 
 

Cold rolling: The pickled coils are then cold rolled at room temperature or slightly below to achieve the desired thickness. The process involves passing the coils through a series of rollers that apply pressure, reducing the thickness and improving the mechanical properties.

 
 

Annealing: After cold rolling, the steel is often subjected to annealing, a heat treatment process that increases its ductility and removes internal stresses, making it more workable.

 
 

Skin pass or temper rolling: Sometimes, a skin pass or temper-rolling process follows annealing. This additional cold rolling step imparts a smooth and uniform surface finish, improving flatness and surface quality.

 

 

Packaging and Shipping

 

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FAQ

 

Q: Could You Provide The Compliment Samples?

A: Yes, we could provide the free samples on condition that it is available in stocks, however, the transportation fee is borne by buyer.

Q: Could You Produce According To The Samples?

A: Yes, we can customer-made by your samples or technique drawings, we can build the mold and fixtures.

Q: What's Your Delivery Time?

A: For stocks, we could transport the goods to loading port within 7 work days after we received the deposit. For production period, it usually takes about 15 days to 30 days after we received the deposit.

Q: What's The Terms Of Packing?

A: Generally, we pack our goods in bundles or coils with rods or belts, we could also pack the goods as the customers' requirement.

Q: What's Your Terms Of Payment?

A: 30%T/T as the upfront deposit, 70% before delivery, we will show you the photos and package before you pay the balance.

Q: How could you guarantee your products quality?

A: Each piece of products is manufactured by certified workshops, inspected by us piece by piece according to national QA/QC standard. We also could issue the warranty to customer to guarantee the quality.

Q: How is cold rolled steel different from hot rolled steel?

A: The key difference lies in the processing temperature. Hot rolled steel is processed at high temperatures (above 1700°F), while cold rolled steel is processed at room temperature. This difference in temperature affects the steel's properties, with cold rolled steel typically being stronger, having tighter tolerances, and a smoother finish.

Q: How is cold rolled steel made?

A: Cold rolled steel starts as hot rolled steel. The hot rolled steel is then further processed at room temperature through a series of rollers to reduce its thickness and improve its surface finish.

Q: Can cold rolled steel be welded?

A: Yes, cold rolled steel can be welded. However, due to its higher strength and potential for warping, proper welding techniques and procedures should be followed to ensure strong and accurate welds.

Q: Does cold rolled steel have a grain direction?

A: Yes, cold rolled steel has a grain direction due to the rolling process. It is generally stronger when the load is applied parallel to the grain and weaker when the load is applied perpendicular to the grain.

As one of the leading cold rolled steel plate manufacturers and suppliers in China, we warmly welcome you to buy high quality cold rolled steel plate in stock here and get quotation from our factory. Contact us for more details.

White Steel Plate, ASTM A36 Black Steel Plate, Bright Cold Rolled Steel Plate