BMP Z25 PPGI Rolled Steel Coil for Construction Roofing Constrution

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Structure of BMP Z25 PPGI Rolled Steel Coil for Construction Roofing Constrution

 BMP Z25 PPGI Rolled Steel Coil for Construction Roofing Constrution

Description of BMP Z25 PPGI Rolled Steel Coil for Construction Roofing Constrution

PPGI is made by cold rolled steel sheet and galvanized steel sheets as baseplate, through the surface pretreatment (degreasing, cleaning, chemical conversion processing), coated by the method of continuous coatings (roller coating method), and after roasting and cooling. 

BMP Z25 PPGI Rolled Steel Coil for Construction Roofing Constrution


Main Feature of BMP Z25 PPGI Rolled Steel Coil for Construction Roofing Constrution

1.     Aluzinc coating mass: 30g-275g/sqm
2.     Coil weight:4-6 tons per coil
3.     Edge treatment: Mill edge or cut edge. 
4.     Technical treatment: Bright annealed, flatting, cold harden.
5.     Surface treatment: Annealed, bright finish, dull/bright finish, slit edge. 
6.     Spangle: Normal/small/big/zero spangle. 
7.     Delivery terms: FOB / C&R / CIF 


Applications of BMP Z25 PPGI Rolled Steel Coil for Construction Roofing Constrution

If the yield point is not pronounced, the value applies to R p0.2 ; if the yield point is pronounced, the value applies to R el . When the thickness is less than or equal to 0.7 mm and greater than 0.5 mm, the minimum value for elongation is reduced by 2 units. For a thickness less than or equal to 0.5 mm, the minimum value is reduced by 4 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.

  BMP Z25 PPGI Rolled Steel Coil for Construction Roofing Constrution

Specifications of BMP Z25 PPGI 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


5000MT  per   month




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


FAQ of BMP BMP Z25 PPGI Rolled Steel Coil for Construction Roofing Constrution

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

1.Are you a factory or a trading company?

  CNBM is a trading company in this industry over 30 years, located in Beijing
2.Are the products tested before shipping??
  Yes, all of our PPGI and GI was qualified before shipping. We test every batch every day.  

3.Why choose us?
ISO system
SGS and BV audited company.
Industry experience over 10 years.
Management systems-internal software
Finished product inventory-more than 500 tons.
Raw material inventory -over 800 mertic tons.
Shipment of goods -more than 30 countries worldwide.
We have the most convenient transport and prompt delivery.
We offer competitive price with best service.
We have high technical production line with top quality products.
We have win high reputation based on best quality products.


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Q:Questions about Steel. Please Help?
It's going to be made from a Shock Resisting Tool Steel ideally. Those steels average .50-.55 % carbon. They combine the ability to withstand repeated blows with excellent hardenability and toughness.
Q:Is Titanium stronger than mild steel?
I was researching titanium as it pertained to protective footwear. The only thing mentioned was lighter as the advantage. Nowhere did I find the strength comparison. You might want to research the product you are interested in.
Q:Mag. Wheel (steel and aluminum info)?
Negative facts for steel wheels: (1) Not as many style choices as aluminum. (2) Rust easily even when painted or powder coated, due to rock chips. (3) Heaver than aluminum, as far as fuel economy. Negative facts for aluminum wheels: (1) More sensitive to proper torquing of lug nuts. IE torque must be checked more often. (2) Susceptible to impact damage from road hazards much more than steel. (3) Need constant attention to prevent oxidation. Are these what you are looking for? I hope so. Wingman
Q:How can a spider's web be stronger than steel?
Most importantly, spider silk is extremely lightweight: a strand of spider silk long enough to circle the Earth would weigh less than 500 grams (18 oz). Spider silk is also especially ductile, able to stretch up to 140% of its length without breaking. It can hold its strength below −40 °C. This gives it a very high toughness (or work to fracture), which equals that of commercial polyaramid (aromatic nylon) filaments, which themselves are benchmarks of modern polymer fiber technology. What this means in regard to what you have heard is that if you compared the tensile strength (type 'tensile strength' on wikipedia if you do not know what it means) of spider silk and a strand of steel at the same thickness, the silk would have a higher tensile strength than many grades of steel, upto that of high grade steel - of which they are about the same.
Q:which is heavier: concrete or steel?
The denisty of reinforced concrete is taken to be 150 lbs/ft^3 The density of carbon structural steel is 490 lbs/ft^3
Q:Steel shot?
Steel,as you say has a shorter effective range that heavier metals, use at least two shot sizes larger with steel, i.e. if you normally use 6's, use 4's. Also check that your barrels are suitable for steel shot, most old guns are not. The more expensive alternatives are worth the money, although my experience of tin shot was not very impressive. I would recommend bismuth or, the best in my experience, tungsten matrix shot. P.S. All of the alternatives to lead are hard on the teeth!
Q:Cleaning granite and stainless steel?
The best home remedy for that is shaving cream. Use men's shaving cream, not the gel, and not the ones with aloe, but regular shaving cream. It'll get the crud off and it'll shine it up for you. Just make sure you wipe it down really well, so there aren't any streaks.
Q:aluminum vs. steel?
You would think that is the case, right? Well, it isn't. Steel rims are necessarily made of very thin sheet. This sheet, when formed into a rim tends to dent very easily. On top of that, because the material is so thin it can and does flex- a lot. Aluminum rims on the other hand are formed by a process called extrusion... basically, a big block of material is shoved through a die (think PlayDoh shape maker) and then formed into rims. This forming process along with the stiffer nature of aluminum (in this instance) makes an aluminum rim far stronger and far lighter than a steel counterpart.
Q:Conductivity question for electricity through stainless steel?
Stainless Steel Conductivity
Q:Can you WELD STEEL to ALUMINUM? How much heavier/stronger is STEEL?
You should not attempt to do any traditional welding of steel to aluminum as they can form a hard and brittle inter metallic compound known as iron aluminide. You would have to employ a process that did not melt either species. Cladding could be an option but you are kind of limited to flat products that are sandwiched together. There is also explosive which does almost the same thing as cladding. Friction stir welding might be possible but I cant vouch for that. The temperature does get pretty hot, so I am not sure what would happen. But any of these suggestions would take specialized equipment not available to the average user. For weight, Al is 2.7 g/cc and Iron is about 7.8 so it is about 3 times heavier for the same volume. How strong either of them are greatly depends on specific alloys and heat treatment. I think some of the strongest aluminum alloys have a yield strength of about 50,000 psi which would relate to a relatively weak steel. For steel, there are alloys that can have yield strengths in the hundreds of thousands psi.

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