Prime square alloy steel billet 80mm Q235

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Structure of Prime square alloy steel billet 80mm Q235

 Prime square alloy steel billet 80mm Q235

Description of Prime square alloy steel billet 80mm 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 square alloy steel billet 80mm Q235


Main Feature of Prime square alloy steel billet 80mm 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 square alloy steel billet 80mm Q235

 A. Corrugated design makes it excellent waterproof performance
 B. Materials as prepainted steel sheets, galvanized steel sheets, galvalume (Al-Zn coated sheets) are available to make corrugated sheet.
 C.Those material are durable, anti-corrosion in bad weather for 20-30 years based on it's Zinc(Galvanized) coating or AZ (Galvalume) coating.
 D. Different shape of the sheet make it suitable for any style of buildings.
 E.Easy to install, no need special tools to fix the sheet.
 F.Light weight due to high strength to weight ratio of steel. Light weight means easier handling lower shipping costs, easier installation
 G. Different color is availbe base on the RAL Standard make your building more beautiful.
 H. We will provide the best solutions if you don't have a exact idea of the specification you want for the steel sheet based on your weather conditions, engineering structure, construction budget and so on.

  Prime square alloy steel billet 80mm Q235


Specifications of Prime square alloy steel billet 80mm Q235



Material Grade

SGCC / SGCH  / DX51D+AZ, etc






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




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


Dried, Chromated, Unoiled


Regular spangle , small spangle, zero spangle


508MM 610MM

Coil weight


Export package

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


FAQ of Prime square alloy steel billet 80mm 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?
we always fix steel produce in container well to make it safe arrive at destination port 
we always provide best and professional forward service for our buyer 
we always apply 14days free detention for our buyers container in destination
we provide one set After-sales service for our buyer 
we provide China inland steel market price report 
we help our buyer become number one in local market .

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Q:What are the common defects in billet? What's the cause?
Three, radiographic inspection, surface defects; 3, 2, other defects, not welded and welded, undercut;Three, cold crack and fluorescence test;Four common welding defects are: 1; 4; 2:A;
Q:20 what is the difference between manganese silicon steel billet and Q235 billet?
20 manganese silicon steel billet for high strength steel,Q235 billet is almost the most common steel, requiring the lowest.
Q:What are the causes of internal cracks in continuous casting billet?
A French Research Institute of carbon, sulfur and phosphorus influence on continuous casting billet hot cracking, a total of three test groups of carbon manganese steel, carbon, sulfur and phosphorus content of each sample is different.
Q:What is the difference between steel and billet in the process?
Square is a square steel hollow, with iron produced; but it is a square steel billet is generally solid, forging or casting molding.
Q:What is the active carbon. What is the difference with the charcoal?
The chemical activation method. The activator of discharged gas, or by activating agent impregnated material, after the high temperature treatment can be activated carbon. The activated carbon has a microcrystalline structure, crystallite alignment completely irregular. The micro crystal (radius of less than 20, a: = 10-10 m), transition hole (radius 20 ~ 1000), big hole (radius of 1000 ~ 100000), so it has great inner surface, the surface area of 500 to 1700 meters / 2 grams.
Q:What is carbon accumulation?
Generally refers to the polycarbonate, PC, is a kind of thermoplastic plastics, good transparency, good mechanical properties, surface hardness, common uses such as CD, plastic glasses, a fence, protective window, public places, vacuum cleaners, coffee machine, juicer barrel, refrigerator shelf, pure such as the bucket.
Q:Charcoal is how to
Usually we measure the quality of charcoal mainly from the moisture content, volatile content, ash content, fixed carbon content and calorific value of charcoalTake it, thanks!!
Q:What is Alfa carbon? What is beta carbon?
Alfa is directly connected with the functional groups of carbon atoms of carbon atoms, such as CH3CH2COOH CH2 in which methylene propionate is Alfa carbon carbon carbon atom is the beta carbon atom is directly connected with the functional groups and the connection of the carbon (around Kazakhstan), such as the CH3CH2COOH CH3 propionic acid methyl carbon is the beta carbon
Q:Billet heating furnace prices?
Look at the video case, you can consult the advisory.
Q:What is alpha carbon? What is beta carbon?
The C atom separated from the functional group is called C beta atom, and alpha carbon and beta carbon are not unique

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