HDG Z100g Galvanized GI Steel Coil Steel Regular Spangle ASTM A653
Brand Name:Yinghang
Certification:SGS,ISO
Model Number:0.47mmx1200mm
Minimum Order Quantity:25 tons per size
Delivery Time:15 days after deposit
Place of Origin:China
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GI/HDG Z100 Zinc Coating Galvanized Steel Coils
Introduction of GI/HDG Z100 Zinc Coating Galvanized Steel Coils
For galvanized steel coils, the thin steel sheet is immersed in the
molten zinc tank so that a thin sheet with a zinc layer adheres to
the surface. Therefore, it is mainly produced by the continuous
galvanizing process; the coiled steel sheet is continuously
immersed in a galvanized bath with molten zinc to make it an
alloyed galvanized steel sheet.
Production process of GI/HDG Galvanized Steel Coils
Cold Rolled Steel Coil(CRC)→Decoil→Entry Looper→Skim→Cleaning→Air Dry→Annealing→Zinc Pot→Air Cooling→Leveller→Chromated→Dry→Exit Looper→Colling→Packing
Surface treatment of GI/HDG Galvanized Steel Coils
1 Passivation
Passivation treatment of the galvanized layer can reduce folding rust (white rust) under moisture storage and transportation conditions.
2 Oiling
Oiling can reduce the steel plate's corrosion. After the passivation treatment of steel plates and strips, repainting oil will further reduce corrosion under humid storage conditions.
3 Lacquer seal
Coating a fragile transparent organic coating film can provide an additional anti-corrosion effect, especially fingerprint resistance. In addition, it can improve lubricity during molding and serve as an adhesion base layer for subsequent coatings.
4 Phosphating
Various coating types of galvanized steel sheets can be coated through phosphating treatment without further treatment except for regular cleaning. This treatment can improve the coating adhesion and corrosion resistance and reduce the risk of corrosion during storage and transportation. Finish phosphating can be used with a suitable lubricant to improve molding performance.
The Advantage of Hot Dipped Galvanized/Galvanneal Steel Coils
1,The zinc layer has uniform thickness and strong adhesion. No
peeling and good corrosion resistance.The Surface is very smooth
and clean,zinc flower is symmetrical,beautiful.
2,Galvanized Coil With the cold rolled steel of different strength
and thickness as substrate, it is produced through applying the
zinc coated on both faces by hot dip process.
3,Large inventory All products are packed and warehousedafter
passing the inspection, and deliveredin one order. So as to ensure
that the customer's products can be delivered in the shortest time.
You don't have to worry about the quality and transportation of the
goods at all.
Application of Hot Dipped Galvanized/Galvanneal Steel Coils
Galvanized steel coils(GI steel coils) can be used for widely as
follows,
(1)In the construction industry: to manufacture exterior and
Interior products such as metal shingles, corrugated sheeting,
sandwich panels, profiles, metallic ceilings, skirting boards,
decorative panels inside heated and non- heated rooms, elevators,
doors window shutters, shelves etc.
(2)In the automotive industry: to manufacture external and internal
car body parts (car doors, car boots, oil filters, dashboards,
windscreen wipers etc.
(3)In manufacture of home appliances, furniture, and consumer
goods: metallic furniture, lighting equipment, shelves, radiators,
сar doors, car boots etc.
Specifications of GI/HDG Z100 Zinc Coating Galvanized Steel Coils
| 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.
The hot usage of GI/HDG Galvnaized Steel Coils
- Cutting to Sheet to Produce Corrugated Roofing Sheet
- Slitting to Steel Strips
Photos Display of GI/HDG Galvanized Steel Coils
HDG Z100g Galvanized GI Steel Coil Steel Regular Spangle ASTM A653
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