Prepainted GI Steel Coil PPGI PPGL Color Coated Galvanized Corrugated Metal Roofing Sheet In Coil

Place of Origin Jiangsu China
Brand Name TISCO
Certification CE, ROHS, JIS, GS, ISO9001
Model Number ASTM, AiSi ASTM
Minimum Order Quantity 1 Ton
Price $500.00-$680.00/Tons
Packaging Details Standard Sea-worthy packing or customized package
Delivery Time 5-15 working days
Supply Ability 5000 Ton/Tons per Month

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0.12mm gi steel coil

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3mm gi steel coil

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g550 gi sheet coil

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Product Description

Hot dipped galvanized steel sheet & coil is made of carbon steel coated in zinc utilizing the hot-dip process. The end result of this process is a layer of zinc on each side of the steel sheet or coil that is tightly adhered to the steel through the formation of an iron-zinc alloy bonding layer. This bonding layer is formed by a diffusion process while the heated steel is in contact with molten zinc.

 

Galvanized steel is defined as a carbon steel sheet coated with zinc on both sides. There are two main processes used to produce galvanized steel: continuous hot dipping and electro-galvanizing.
The hot dipping process consists of passing the steel through a bath of molten zinc, while the electro-galvanizing process consists of the application of zinc through electrolytic disposition. The result is a layer of zinc tightly adhering to the base metal through an iron-zinc bonding layer. Our hot-dipped galvanized products are manufactured to ASTM A653 specifications; our electro-galvanized products conform to ASTM A879 specifications.
A zinc coating is one of the most effective and economical methods of protecting bare steel from a corroding environment. The zinc not only serves as a barrier between the steel and the environment, but it will also sacrifice itself to protect the underlying steel sheet. Sacrificial or galvanic protection occurs when two dissimilar metals are in contact and coupled with water and oxygen. Zinc corrodes preferentially to the iron in steel. This protection prevents corrosion of the steel in areas not covered with zinc. Thus, the spread of corrosion from cut edges, drill holes, etc. is minimized.

 

 

Standard astm a526 a528 a444, a653, jis g3302, en10142 en1012, etc
Grade DX51D+Z, DX52D+Z, DC52D+Z, DC51D+Z, S350GD+Z, G550, SGCC, DD52D+Z etc
Thickness 0.12-3.0mm (customize, above 3.0mm available)
Width 600-2000mm (customize)
Length as customer requirements
Coil inner diameter 508mm/610mm (customize)
Zinc coating 20-600g/m2
Raw material cold rolled base. (hot rolled base also available)
Technique hot dipped. (electro also available)
Coil weight 3-8 tons
Tolerance thickness +- 0.02 or +- 0.04, width +-5mm
Spangle type zero spangle, small spangle, regular spangle, big spangle
Surface treatment chromated/non-chromated, oiled/non-oiled, anti-fingerprints
Certification CE, ISO9001-2008, SGS
Monthly output 17000 tons
Packaging 3 layers. kraft paper outside + water-proof plastic film in the middle + steel plate covered with strips outside
Landing port qingdao/shanghai/tianjin port
Payment terms T/T, L/C, western union paypal etc
Delivery time it takes about 10 days for stock goods, or it will need 15-25 days if goods need to be customized
MOQ as customer needs. reminder: more quantity reduce your purchase cost greatly
Inspection third-party test
Cooperate brand anshan steel, baotou steel, jiangsu shagang etc

 

Usage Grade Yield Strength (MPA) Tensile Strength (MPA) Elongation rate %
Punching galvanized steel DX51D+Z ~ 270-500 >=20
DX52D+Z 140-300 270-420 >=22
DX53D+Z 140-260 270-380 >=26
DX54D+Z 140-220 270-350 >=30
Structure galvanized steel S220GD+Z >=220 >=300 >=18
S250GD+Z >=250 >=330 >=17
S280GD+Z >=280 >=360 >=16
S320GD+Z >=320 >=390 >=15
S350GD+Z >=350 >=420 >=14
S400GD+Z >=400 >=470 ~
S500GD+Z >=500 >=530 ~
S550GD+Z >=550 >=560 ~

Prepainted GI Steel Coil PPGI PPGL Color Coated Galvanized Corrugated Metal Roofing Sheet In Coil 0