• Prime quality square alloy steel billet 135mm Q235 System 1
  • Prime quality square alloy steel billet 135mm Q235 System 2
  • Prime quality square alloy steel billet 135mm Q235 System 3
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Prime quality square alloy steel billet 135mm Q235

Prime quality square alloy steel billet 135mm Q235

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
100 m.t.
Supply Capability:
10000 m.t./month

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Structure of Prime quality square alloy steel billet 135mm Q235

 Prime quality square alloy steel billet 135mm Q235

Description of Prime quality square alloy steel billet 135mm Q235 

1. Prepainted steel coil is coated with organic layer, which provides higher anti-corrosion property and a longer lifespan than that of galvanized or galvalume steel sheets. 

2. The base metals for prepainted steel coil consist of cold rolled, HDGI Steel, electro-galvanized and hot-dip alu-zinc coated steel. The finish coats of prepainted steel coil can be classified into groups as follows: polyester, silicon modified polyesters, polyvinylidene fluoride, high-durability polyester, etc.

3. The production process has evolved from one-coating-and-one-baking to double-coating-and-double-baking, and even three-coating-and-three-baking.

4. The color of the prepainted steel coil has a very wide selection, like orange, cream-colored, dark sky blue, sea blue, bright red, brick red, ivory white, porcelain blue, etc.

5. The prepainted steel coils can also be classified into groups by their surface textures, namely regular prepainted sheets, embossed sheets and printed sheets.

 Prime quality square alloy steel billet 135mm Q235

 

Main Feature of Prime quality square alloy steel billet 135mm Q235

Uncoated CR steel sheet 

With the features of in line with the international highest standards in demension and shape, excellent surface finish and properties, the products are mainly used in home appliance and automobile industries.

Galvanized steel sheet(include HDG and EG)

With the features of good corrosion resistance, the products are mainly used in automobile, home appliance, electronics, building and machinery manufacture industries, etc.

Precoated steel sheet

With the features of enviromental protection and good processablility, long lasting surface durability, rich in colors, the products are maily used in building, home appliance and furniture industries, etc.

 

Applications of Prime quality square alloy steel billet 135mm Q235

Construction
Manufacture anticorrosion, industrial and civil architecture roof boarding, roof grille
Light industries
Home appliance's case, civil chimney, kitchen utensils
Auto industry
Corrosion resistant parts of cars
Agriculture
Food storage, meat and aquatic products' freezing and processing equipment
Commerce
Equipments to store and transport materials, and packing implements

  Prime quality square alloy steel billet 135mm Q235

 

Specifications of Prime quality square alloy steel billet 135mm Q235

Product

Prime quality square alloy steel billet 135mm Q235

Material Grade

SGCC / SGCH  / DX51D+AZ, etc

Thickness

0.6-3.0mm

Width

500-1500mm

Tolerance

Thickness: +/-0.02mm , Width:+/-2mm

Zinc-coating

Z30-150g/m2

Technique

Raw material: Hot rolled steel coil --> Cold rolled_>hot dipped galvalume

Surface

Dried, Chromated, Unoiled

Spangle

Regular spangle , small spangle, zero spangle

ID

508MM 610MM

Coil weight

1-25MT

Export package

Cardboard inner sleeves, Waterproof paper, galvanized steel covered and steel strip packed

  

FAQ of Prime quality square alloy steel billet 135mm Q235

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

1. How Can I Visit There?
  Our company is located in Tianjin City, China, near Beijing. You can fly to Tianjin Airport Directly. All our clients, from home or aboard, are warmly   welcome to visit us!  
2. How Can I Get Some Sample?
  We are honored to offer you sample.  
3. Why choose CNBM?
  Our delivery time about 15-20days for standard sizes, if you have other requirements like hardness, quanity and width ,it is about 20-40days. But don't worry we also try our best for the delivery time ,because time longer and our cost is higher.


 


Q:How are steel billets used in the production of beams and columns?
Steel billets are used as a raw material in the production of beams and columns. They are heated and then passed through a series of rolling mills to be shaped into the desired beam or column profiles. The billets provide the necessary strength and durability required for structural applications, ensuring the final products can withstand heavy loads and provide support in construction projects.
Q:What are the main factors affecting the fatigue strength of stainless steel billets?
There are several main factors that can affect the fatigue strength of stainless steel billets. Firstly, the composition of the stainless steel plays a significant role in determining its fatigue strength. Stainless steel alloys with higher amounts of elements such as chromium, molybdenum, and nickel tend to have improved fatigue strength. These alloying elements enhance the material's resistance to corrosion and increase its ability to withstand cyclic loading, resulting in better fatigue performance. Secondly, the microstructure of the stainless steel billet is another important factor. The presence of defects or impurities within the microstructure can act as stress concentration points, making the material more prone to fatigue failure. Therefore, a well-controlled and homogenous microstructure is essential for achieving higher fatigue strength. Thirdly, the surface condition of the stainless steel billet can significantly impact its fatigue strength. Surface irregularities, such as scratches, nicks, or pitting, act as stress raisers and can initiate cracks under cyclic loading. Proper surface treatment, such as grinding, polishing, or passivation, can help to minimize these surface defects and improve the fatigue resistance of the material. Additionally, the manufacturing process and heat treatment of stainless steel billets can influence their fatigue strength. Processes such as forging, rolling, or extrusion can introduce residual stresses into the material, which may decrease its fatigue strength. Therefore, careful control of the manufacturing process and appropriate heat treatment techniques, such as annealing or quenching, are crucial to optimize the fatigue performance of stainless steel billets. Lastly, operating conditions, including the applied stress levels, temperature, and environmental factors, can also affect the fatigue strength of stainless steel billets. Higher stress levels or elevated temperatures can accelerate fatigue crack initiation and propagation, leading to reduced fatigue life. Similarly, exposure to corrosive environments can promote localized corrosion fatigue, causing premature failure. Therefore, understanding the intended operating conditions and selecting the appropriate stainless steel grade and surface protection can help to maximize the fatigue strength and prolong the service life of stainless steel billets.
Q:What is the role of steel billets in the manufacturing of construction machinery?
Steel billets play a crucial role in the manufacturing of construction machinery as they serve as the raw material for producing various components and structures. These billets are initially heated and then shaped or machined into different forms such as plates, beams, or rods, which are essential in constructing the frames, chassis, and other structural parts of construction machinery. The high strength and durability of steel make it ideal for withstanding heavy loads and harsh working conditions, ensuring the reliability and longevity of construction machinery.
Q:How often is it? What is the range of temperature in the process of rolling? What is the temperature of the final rolling?
The final rolling temperature is the rolling temperature of the last pass, and also the rolling temperature of the rolling pass at the last effective (very small level pass, not an effective rolling pass)
Q:What are the different surface finishes available for alloy steel billets?
Some common surface finishes available for alloy steel billets include mill finish, hot rolled, cold rolled, and polished.
Q:What are the potential applications of steel billets in the food and beverage industry?
Steel billets have numerous potential applications in the food and beverage industry. One of the main uses is in the production of stainless steel equipment, such as tanks, vessels, and processing machinery. Stainless steel is a preferred material in the food and beverage industry due to its corrosion resistance, durability, and hygienic properties. Steel billets are often used to manufacture stainless steel pipes and fittings, which are essential components in food and beverage processing plants. These pipes and fittings are used for conveying fluids, gases, and food products, ensuring a safe and reliable transportation system. In addition, steel billets can be used to produce stainless steel bar and rod, which are used in various applications such as kitchen equipment, cutlery, and utensils. Stainless steel bar and rod are highly resistant to staining, rusting, and chemical corrosion, making them ideal for use in food preparation and serving. Furthermore, steel billets can be used to manufacture stainless steel sheets and plates, which are used for food storage and packaging. Stainless steel sheets and plates provide a hygienic and durable surface for food storage containers, countertops, and shelving units. They are easy to clean, resistant to bacterial growth, and do not react with acidic or alkaline food products. Overall, steel billets play a crucial role in the food and beverage industry by providing the necessary raw material to manufacture stainless steel equipment, pipes, fittings, bar, rod, sheets, and plates. The use of stainless steel enhances food safety, ensures product integrity, and contributes to the efficient and hygienic operation of food and beverage processing facilities.
Q:What is the role of steel billets in the automotive industry?
Steel billets play a crucial role in the automotive industry as they are used as the primary raw material for manufacturing various components and parts of vehicles. These billets are transformed into different shapes and sizes through processes like forging, rolling, and machining to create engine parts, chassis components, axles, and other structural elements. With their strength, durability, and versatility, steel billets enable the automotive industry to produce high-quality and reliable vehicles, ensuring safety and performance for drivers and passengers.
Q:What are the different surface defects found in alloy steel billets?
Some common surface defects found in alloy steel billets include cracks, laps, seams, scabs, and surface scale. These defects can occur during the manufacturing process or as a result of handling and transportation.
Q:How do steel billets contribute to the marine industry?
Steel billets are an essential material in the marine industry as they play a crucial role in the construction and maintenance of various marine structures and vessels. These billets, which are essentially semi-finished steel products, are widely used in the marine industry due to their numerous benefits and contributions. Firstly, steel billets are highly durable and possess excellent strength properties. This makes them ideal for applications where resilience against harsh marine conditions, such as corrosion, extreme temperatures, and high-pressure environments, is required. Steel billets are frequently used in the construction of ship hulls, offshore platforms, and other marine structures that need to withstand the challenging conditions of the sea. Furthermore, steel billets can be easily shaped and molded into various forms, enabling their usage in a wide range of marine applications. Their versatility allows for the production of different components and parts, including propeller shafts, engine components, pipelines, and structural beams. Additionally, steel billets are often used in the manufacturing of anchors, chains, and other mooring equipment, which are critical for securing vessels and offshore structures. Moreover, steel billets are known for their excellent weldability, which is vital in the marine industry. Ships and offshore structures often require regular maintenance, repair, and modification. The ability to weld steel billets seamlessly allows for efficient repairs and alterations, ensuring the structural integrity and safety of marine vessels and infrastructure. In terms of sustainability, steel billets have a long lifespan and can be recycled multiple times. This makes them a sustainable choice for the marine industry, as they can be reused in various applications, reducing the demand for new raw materials and minimizing environmental impact. In conclusion, steel billets are indispensable to the marine industry due to their durability, strength, versatility, weldability, and sustainability. These qualities enable their use in the construction, repair, and maintenance of marine structures and vessels, ensuring their reliability and longevity in the challenging marine environment.
Q:How do steel billets contribute to the overall safety of a product?
Steel billets contribute to the overall safety of a product by providing a strong and durable foundation. They are used as raw material in the manufacturing of various products, including construction materials, automotive parts, and machinery. The high strength and structural integrity of steel billets ensure that the end products are able to withstand heavy loads, extreme conditions, and potential hazards, thus enhancing safety and reliability.

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