BMP Z20 Prepainted rolled Steel Coil for Construction Roofing constrution

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

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Structure of BMP Z20 Prepainted rolled Steel Coil for Construction Roofing constrution

 BMP Z20 Prepainted rolled Steel Coil for Construction Roofing constrution

Description of BMP Z20 Prepainted rolled Steel Coil for Construction Roofing constrution

The cold rolling reduces the thickness of the steel and at the same time changes the mechanical properties of the steel. Cold rolled steel must be further processed, as the steel will react with water in the air and form rust. In most cases, it is covered with a thin layer of oil to prevent oxygen reacting with surface. The steel coils can be annealed (heated in a controlled atmosphere) to make the steel more formable (cold rolled annealed) or further processed on the metallic coating line, with a coating of either zinc (galvanized) or zinc

BMP Z20 Prepainted rolled Steel Coil for Construction Roofing constrution


Main Feature of BMP Z20 Prepainted rolled Steel Coil for Construction Roofing constrution

1) Excellent corrosion resistance: The zinc layer provides a good protection of Pre-painted Galvanizeed Steel Sheet.
2) High heat resistance: The reflective surface of the material aids in efficiently reflecting the sunlight away and in turn reducing the amount of heat transmitted. The thermal reflectivity converts into energy savings.
3) Aesthetics: Pre-Painted Galvanized steel sheet is available in plethora of patterns and multiple sizes as per the requirements that given by our customers.
4) Versatility: can be used in the various areas.


Applications of BMP Z20 Prepainted rolled Steel Coil for Construction Roofing constrution
it is ideal for a wide range of applications,, such as pre-engineered buildings, architectural panels, roofing, siding, cladding, and many other building components.and also used back plate of appliance; wide range of construction, furniture industry, transportation industry, etc.


Specifications of BMP Z20 Prepainted rolled Steel Coil for Construction Roofing constrution


ASTM  A653,   JIS    G3302,   GB/T3830-2006


SGCC, DX51D, A653, SGCH, Q235B





Base  metal

Galvanized  steel  coils,     Alumzinc  steel  coils, color coated steel coils

Zinc  coating


Coil  ID



Standard seaworthy export packing: 3 layers of packing, inside is kraft paper, water  plastic film is in the middle and outside GI steel sheet  to be covered by steel strips with lock, with  inner coil  sleeve.


Within  10-30days  after  signing    contract


FOB&   CNF&   CIF    price

Payment  terms

TT  or  LC,   Western  Union


1000MT  per   month




construction, the  manufacturing  of    cars,   ships,   containers  and    household  electric  appliances,other  industries  usage.


FAQ of BMP Z20 Prepainted rolled Steel Coil for Construction Roofing constrution

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

1. 1.Are you a factory or a trading company?

  CNBM is a trading company in this industry over 30 years, located in Beijing
2. Do you have QC teams?
  Yeah, sure, our QC team is very important, they will keep the quality control for our products..  

3.What's your normal delivery time?

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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Q:opinions on steel vs synthetic cable?
Steel is more dangerous, both in a fatal metal whip way and a metal splinters in my hand way. Steel weighs more. So why would anyone continue to use steel? Cost and care. Care: Steel can sit for years without having to worry about dry rot (as long as it's not out in too horrible of weather conditions). Steel is much more resistant to fraying. You don't have to baby steel so much to keep it in good conditions. Cost: As of right now, steel is less than half the cost of synthetic. A synthetic rope can cost as much as many electric winches which include a steel cable. I find that I don't use my winch nearly enough to warrent the extra care or cost of a synthetic. The weight savings would be nice, but I kind of ruined that a long time ago with the winch bumper, rock sliders, plate steel fenders/flares, belly armor and frame plating.
Q:How do you rate steel?
Grade 440C is one of the highest strength stainless steels. It is also very wear resistant. Good for use as ball bearings and other high wear applications. 400C has the highest carbon content of the 440 steels. 440A and 440B are identical but have lower carbon contents and have lower strengths and higher corrosion.
Q:Stainless steel or Carbon steel knives?
I hate stainless steel! I hate shiny blades also! When I was a kid knifes were awesome! You could actually sharpen them! :) If we bought a new knife we would take an orange and slice it and leave the juice on the blade to purposefully darken it. If you had a shiny blade that looked like stainless you were not cool. :) I think most anyone who had an old knife from back in the 70's or before would agree that these new stainless knives are crap. I have not seen anything perform close to the old blades in stainless. Today I bought a case CV Sod Buster hoping it will perform like the old knives. What reading I have done the Chrome Vanadium is supposed to be like the old steel. I sure hope it is. Now to find some fruit to get rid of this annoying shiny blade! :)
Q:EDC Knife (Cold Steel 4 inch Zytel Ti-Lite)?
Q:Steel WareHousing.......?
Compared to what?
Q:Galvanised Steel Questions?
Wipe the powder of and the rest should be safe, unless you stub your toe on the rusty metal.
Q:Quality of a 440A steel blade?
440 steel is fine for most knives, but there are better quality steels out there for specialized uses. If you like the knife you have, don't worry about what other people say. If you like the new knife more, trade for it. Sometimes I question why people have to ask so many questions about what's better than what.
Q:Which do u like better rolled oats or steel cut oats? and why?
Steel cut oats take very long to cook. They have a bit more bite to them but the flavor is really the same. It's more a question of which texture you prefer.
Q:Painting Stainless Steel......?
I've also learned something today! Good luck and have fun!
Q:How much can the metal steel lift?
Well, metal steel can lift an infinite amount of weight if necessary, BUT it can only withstand tensile PRESSURE up to a certain amount. That amount depends on what kind of steel you have; you can have low and high carbon steel, for example, here are some maximum tensile forces a lot of common steels can withstand: Coated Steel (Galvanized): 200-215 GPa Terne Coated Stainless Steel: 189 - 197 GPa Terne Coated Steel: 185-200 GPa AirMet100 High alloy steel: 193-203 GPa AF1410: 203 -213 GPa 17% Cobalt Steel: 199-209 GPa 36% Cobalt Steel: 199-209 GPa 6% Tungsten Steel: 218-229 GPa A-286: 201-211 GPa N-115: 201-211 GPa 250 Maraging Steel: 183 - 192 GPa 280 (300) Maraging Steel: 183-192 GPa And that's just Coated and High-alloy steels, I have yet to go through Cast Irons, Commercial-purity Iron, Low alloy steel, low carbon steel, medium alloy steel, medium carbon steel, stainless steels, tool steels, and very low carbon steels, and I'm not even sure if this is a complete list of the different types of steels in the world. TL;DR We need more information. EDIT: By pressure, I mean the negative tensile type of pressure. EDIT 2: At it's thinnest point, most supportive skeletal features will be able to support 132 pounds quite easily. However, if you want to make an effective light-weight strong skeleton, I would suggest using aluminium rather than steel.

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