BMP Z21 PPGI Rolled Steel Coil for Roofing Constrution

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Loading Port:
Shanghai
Payment Terms:
TT OR LC
Min Order Qty:
100 m.t.
Supply Capability:
30000 m.t./month

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Structure of BMP Z21 PPGI Rolled Steel Coil for Roofing Constrution

 BMP Z21 PPGI Rolled Steel Coil for Roofing Constrution

Description of BMP Z21 PPGI Rolled Steel Coil for Roofing Constrution

Cold rolled steel coil is steel that has been worked below its recrystallization temperature by passing it between a pair of rollers. Recrystallization temperature is the temperature at which grains in the lattice structure of the metal have been rearranged, leaving it free of strain and deformations. Cold rolled steel coil is pre-treated before being cold rolled with a process known as pickling, which uses strong acids to remove scale and other impurities. The cold rolled steel coil is then passed through rollers to reduce its thickness. Most cold rolling takes place in multiple passes and as the size of the cold rolled steel coil is further reduced, its strength and hardness both increase, but its ductility decreases. After cold rolling, heating the metal up in a process known as annealing can restore some of its ductility. The final cold rolled steel coil may be manufactured in the form of sheets, strips, bars, or other forms.


BMP Z21 PPGI Rolled Steel Coil for Roofing Constrution

 

Main Feature of BMP Z21 PPGI Rolled Steel Coil for Roofing Constrution

The construction industry: The roof structure, keel, grill, Clapboard, ceilings, fire shutter doors, etc; The light industry, the Automobile, agriculture, animal husbandry, fishery, casing of household Electronic application, civilian smoke stack, etc. 

 

Applications of BMP Z21 PPGI Rolled Steel Coil for Roofing Constrution

1. Base metal for coated and dipped products.

2. Home appliance

3. Precise welding tube

4. Flux cored welding wire

5. Bicycle, battery shell,

6. Automobile fitting, hardware

7. Enameling industry etc.

  BMP Z21 PPGI Rolled Steel Coil for Roofing Constrution

Specifications of BMP Z21 PPGI Rolled Steel Coil for Roofing Constrution

Standard

ASTM  A653,   JIS    G3302,   GB/T3830-2006

Grade

SGCC, DX51D, A653, SGCH, Q235B

Thickness

0.125-1.0mm

Width

600-1250mm

Base  metal

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

Zinc  coating

40-275g/M2

Coil  ID

508mm/610mm

Packing

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.

Delivery

Within  10-30days  after  signing    contract

Price

FOB&   CNF&   CIF    price

Payment  terms

TT  or  LC,   Western  Union

Capacity

1000MT  per   month

MOQ

25MT/20GP

Usage

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

 

FAQ of BMP Z21 PPGI Rolled Steel Coil for Roofing Constrution

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

1.Do you have QC teams?

Yeah, sure, our QC team is very important, they will keep the quality control for our products.

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.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:How can the outer diameter and weight of steel coil be converted?
To obtain the outer diameter of the steel coil is calculated according to the density of 7850, according to the density, in general, hot-rolled is 0. 96~0, 98, cold rolled, according to 0. 98~0. Ninety-nine
Q:What are the characteristics of hot-rolled steel coils and cold rolled steel coils? What loading and unloading tools should be used? What items should be paid attention to?
General handling steel rolls are used for driving. Forklift trucks are OK, but a larger fork truck, usually cold rolled, weighs less than 15T. The hot rolled coil is below 30T.
Q:The difference between aluminized color steel roll and ordinary color steel roll
Substrate selection: AZ150 (aluminum zinc content 150g/m2); G345A high strength galvanized steel sheet (55% aluminum, 43% zinc and 1.6% silicon) corrosion resistance data: 5%NaCL 35 DEG C, 1000Hrs, Field good, Scribe, No, Blister, 2mm belowQ.U.V: 2000hrs, MAX.2 color, light to keep the rate above 90%, the above data show that aluminum zinc coated board (AZ150, G345A, PVDF) is very suitable for the extreme environment of buildings or other facilities, highly corrosion resistance and weather resistance, and the major steel plate can ensure the service life of 20 years. In addition, high strength steel has been widely used abroad, and it has good economic performance, and it is also the domestic development trend.
Q:The strip tower height
Causes: the strip has a larger snake shape; the take-up device holds the tension; the setting is unreasonable; the strip goes into the coiler; the centering is not good; the coil tension is not set properly.
Q:What brand steel tapes are of good quality?
Personal feeling is also good for the Great Wall Seiko tape, upstairs several estimates are the production of steel tape manufacturers, of course, that their goods well. Our unit now buy all the Great Wall Seiko goods, said the tape is good, not because it is so durable
Q:A roll of 1 meters wide color steel roll about how many tons?
In general, between 3.5 and 5 tons. Our company uses 0.17*1000 white color steel roll. The weight is usually around 4.5 tons. Different manufacturers will have different sealing rolls.
Q:What's the length of a coil of cold rolled steel? Is there a standard?
Generally, according to the volume measurement, each roll weighs 3~15 tons.
Q:How to solve steel plate storage
Avoid steel plates touching the ground, fixing steel coils, and using pads to reduce accidental or dangerous movement.
Q:Is a steel plate the same as a steel coil?
You must have an open book and a flat plate, and it is a little bit harder to cut the parts than the plate.
Q:On how to reinforce steel coils in a container
The inside of the container is rectangular, four angles with hook, so can the packing time for warehouse experienced workers in the upstairs said, with the steel wire rope and steel reinforcement will lock up, if the mud coil is hollow, the wire rope through the middle and then cross to get on fixed on the four corners, and on the floor on the wooden wedge nail to prevent steel coil rolling.

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