GI Steel Coil-Hot Dipped Galvanized/Galvanneal Coils/Sheet for Construction Projects
Brand Name:Yinghang
Certification:SGS
Model Number:0.3mmx1200mm
Minimum Order Quantity:25 tons per size
Delivery Time:15 days after deposit
Place of Origin:China
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Shijiazhuang Hebei China
Address:
Shijiazhuang City, Hebei, China
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GI -Hot Dipped Galvanized/galvannel Steel Coils/Sheet
Introduction of GI-Hot Dipped Galvanized/Galvanneal Steel Coils/Sheet
Galvanized Steel coil, a thin steel sheet that is dipped into a
molten zinc bath to adhere a layer of zinc to its surface. It is
mainly produced by the continuous galvanizing process, in which
rolls of steel sheet are continuously dipped into a bath of molten
zinc to make galvanized steel sheet; alloyed galvanized steel
sheet. This steel sheet is also manufactured by the hot dipping
method, but immediately after leaving the bath, it is heated to
about 500°C to produce an alloyed coating of zinc and iron. This
type of galvanized coil has good paint adhesion and weldability.
Features of GI-Hot Dipped Galvanized/Galvanneal Steel Coils/Sheet
- Strong corrosion resistance: The zinc layer on the surface of the galvanized coil has good corrosion resistance, which can effectively resist external factors such as wind, rain, acid rain erosion and so on.
- Long service life: After galvanized coil, its service life can be more than twice as long as that of untreated steel, which greatly improves the service life of steel
- High safety: Galvanized coil not only has good corrosion resistance and aesthetics, but also has good flame retardancy, which makes it widely used in the construction field.
- Good environmental protection: During the production process of galvanized coils, certain waste gas, waste water and waste residues will be generated, but after treatment with modern technology, it can meet environmental protection standards and have no pollution to the environment.
Application of GI-Hot Dipped Galvanized/Galvanneal Steel Coils/Sheet
Galvanized steel coils(GI steel coils) can be used for making
outside and inside automotive plates,
structual parts,reinforcements,home appliance and basic plate for
coatting.Great quantities of them
have been used by main automobile makers
- Construction industry:roof sheet/panel,roof components,balcony window,newsstands,warehouse,rolling door,heaters,drainage etc.
- Household appliance:refrigerators,washing machines,switch cabinet,air conditioning,microwave oven,bread machine ctc.
- Furniture industry:lampshade,wardobe,desk,bookcase,counter,medical equipmenr etc.
- Transportation industry:cars,cars shell,tractor,container
ship,shipbuilding highway fence,ships bulkhead etc.
Specifications of GI-Hot Dipped Galvanized/Galvanneal Steel Coils/Sheet
| Width | 600mm-1750mm |
| Thickness | 0.13mm-5.0mm |
| Length | customized |
| Zinc Coating | Z40gr/m2-Z400gr/m2(both side total coating thickness) |
| Surface | Skin-pass/non Skin-pass |
| Chemical treatment | Chromated(Cr 3+,6+,0+) |
| Spangle | Regular/Zero/Big |
| Oil | Slight Oiled/Dry |
| Grade | JIS G3302-SGCC-SGC570,SGCH(full hard-G550),SGHC-SGH540 |
| Packing | Export standard packing ,3 Layers-kraft paper outside+waterproof plastic film in the middible+steel plate vovered with strips |
| Coil Weight | 3-14 tons |
| Coil ID | 508/610mm |
| HRB | Soft Hard(<60),Medium Hard(60-85),Full Hard(85-95) |
| Rar Materials | Cold rolled base |
| 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 | ~ |
Spangle is formed during the hot-dip galvanizing process. The size,
brightness, and surface of spangles mainly depend on the
composition of zinc layer and the cooling method. According to the
size, it includes small spangles, regular spangles, big spangles,
and free spangles. They look different, but the spangles almost
will not influence the quality of galvanized steel. You can choose
according to your preference and purpose.
Photos Display of GI-Hot Dipped Galvanized/Galvanneal Steel Coils/Sheet
GI Steel Coil-Hot Dipped Galvanized/Galvanneal Coils/Sheet for Construction Projects
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