Z31 BMP Prepainted Rolled Steel Coil for Construction

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100 m.t.
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30000 m.t./month

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Structure of Z31 BMP Prepainted Rolled Steel Coil for Construction

 Z31 BMP Prepainted Rolled Steel Coil for Construction

Description of Z31 BMP Prepainted Rolled Steel Coil for Construction 

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.

 Z31 BMP Prepainted Rolled Steel Coil for Construction


Main Feature of Z31 BMP Prepainted Rolled Steel Coil for Construction

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 Z31 BMP PPGI Prepainted Rolled Steel Coil for Construction
 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.

  Z31 BMP Prepainted Rolled Steel Coil for Construction


Specifications of Z31 BMP Prepainted Rolled Steel Coil for Construction


Z31 BMP Prepainted Rolled Steel Coil for Construction

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 Z31 BMP Prepainted Rolled Steel Coil for Construction

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.


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Remaining: 4000 characters

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Q:At what temperature would steel evaporate?
Steel is to broad. There are many types of steel with different melting/boiling points. Iron* has a boiling point of 5182 °F and a Heat of vaporization of 340 kJ·mol−1. iron is the main ingredient of steel, along with carbon and other various elements.
Q:Which one is bigger? Steel Force in Dorney Park or Tidal Force in Hershey Park?
steel force breaks the 200ft mark and is a steel out and back roller coaster. Tidal force is a water ride that is about 100 ft tall. If you can do Steel Force then you should be able to handle anything at Hersheypark. the on;y ride they have bigger is the Kissing Tower
Q:Is carbon steel a type of alloy?
Carbon steels are alloys. This is evident in the carbon-iron phase diagram:
Q:Do Case Knives Use Good Steel?
Old Case Knives
Q:Steel content of kitchen knife any good?
I okorder.com/
Q:Best Steel Road bike?
steel bikes are now mostly custom and expensive colnago lemond are factory [expensive] though giant doesn;t make them that i know of wle.
Q:What's the process of making steel?
Adding 6% carbon to molten iron makes steel.
Q:What are the components of Stainless Steel?
The basic ingredient is from 11%-30% chromium, however in many stainless steels nickel or manganese are important secondary ingredients. There are two basic types of stainless steels: 1)austenitic stainless steels, and 2)ferritic stainless steels. In austenitic SS the important ingredients are Chromium and Nickel. (Chromium and manganese are occasionally use instead of nickel.) It's important to note that many austenitic SS's contain almost no carbon, so by some definitions they are not steel at all but iron/chromium/nickel alloys. the additions of nickel (or manganese) actually changes the crystal structure of the iron, so the properties of these types are quite different from normal carbon steels. Austenitic SS have very good to excellent corrosion resistance, and fairly good heat resistance. In ferritic stainless steels, the important ingredients are chromium and carbon. Ferritic stainless steels have markedly greater strength than austentitic types. However since they contain less chromium than austenitic types they are only moderately corrosion resistant and are much less heat resistant. Without the addition of nickel and/or manganeese adding more than about 20% chromium tends to make the steel brittle. Most stainless steel is melted under an inert argon atmosphere in an airtight furnace. Melting stainless in open air would preferentially oxidize the chromium, forming slag which would float to the surface of the steel, thus reducing the chromium content. Chromium also tends to react with nitrogen in the air at high temperatures, exposure to nitrogen tends to cause brittleness in stainless steels. As long as the manufacturer keeps careful control of the composition of the metal and the level of impurities during melting, stainless is endlessly recyclable.
Q:What is the accuracy of steel tape inspection?
The project is through the detection of steel tape, steel tape each batch have the error him different, so do projects each into a batch of steel tape has to go through the inspection department, let this batch of steel tape has reached the same error range. All the measuring tools in this project are unified into these steel tape measures, so that the measurement error is guaranteed.
Q:Acoustic Guitar Strings? Nylon vs. steel?
Steel strings sound much better as in brightness and tone. Nylon strings sound dull and don't hold tune well but are easier to press. You need to build calouses on your finger tips and using steel will do this, just take it easy until they form and stop when they start hurting moderately. When you put new strings on a guitar, it's very good to break them in by pulling on them from the neck upwards to stretch them out. If you don't, you will need to tune them much until they wear themselves in. Good luck and make some sweet music !!

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