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Galvanized Roofing Sheet
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product: view count: 213Galvanized Roofing Sheet 
unit price: Negotiable
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period for delivery: Consignment Deadline days
Expiry date: Long Effective
last update: 2018-05-22 18:29
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Description

Galvanized roofing sheet is a steel plate with a layer of zinc on the surface. It is commonly used economical and effective anti rust surface treatment. and it is used to prevent corrosion of metal sheet from prolonging its service life.


Main types

1. Alloying galvanized steel sheet

2. Electro galvanized steel sheet (EGS)

3. One side galvanization and double side differential galvanized steel plate

4. Alloy and composite galvanized steel sheet


Advantages

(1) It improves the flatness and smoothness and also to smooth the surface of the zinc particles to make the strip smooth, which is particularly favorable for the future deep drawing and other applications with high precision.

(2) After finishing, the surface has certain roughness. It can improve the adhesion force of the zinc coating, and store a certain amount of oil, which is beneficial to the lubrication of the stamping die when deep drawing.

(3) For the prepaint, the small zinc flower can still be visible through the paint layer though the surface is controlled by small zinc spangle. Therefore, for some galvanized plates with high demand, the surface of small zinc spangle should be treated by finishing. This will make the product get a more uniform silver appearance.

(4) The lower yield point can be reduced and the yield platform can be disappearing or not too obvious. The slip line can be prevented in the subsequent drawing or deep drawing process, and the possibility of deep drawing can be improved.


Parameters

Standard

B/T1839-2003, JIS G3302,ASTM A653,EN10143

Grade

SGCC,DC51D,DX51D,DX52D,,SGCD,Q195,Q235,

SGHC,DX54D, S350 GD,S450 GD,S550 GD

Design

Wave shape, flat, trapezoid shape

Width

500-1200 mm

Thickness

0.12-2.0 mm

Zinc coating

Z 30-150g/m2

Surface

chromed / skin pass / oiled/slightly oiled/ dry/ anti- fingerprint/galvanized, corrugated.

Treatment

Zinc Flower

zero spangle / small spangle / normal spangle/ big spangle

Length

1830 mm, 2000 mm, 2450 mm, 3048 mm, 4200 mm etc

Bundle  Weight

2.6-4  Metric Tons

Package

Standard seaworthy export package and simple package

Application

Roofing and walling, curved profiles, corrugated sheets

Payment terms

30% payment  in advance  and  70% balance against copy  of BL or 30% deposit(T/T) irrevocable 70% L/C at sight

Delivery time

It depends on the quantity. Usually delivery can be 30 days after receiving deposit

Characters

Full hard, semi hard, soft

 

Remarks

insurance is all risks

Certificate of  SGS and BV are acceptable.


Packaging & loading

http://www.galvanized-steel.com/

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