Galvalume Steel Corrugated Roof Sheet
Galvalume steel corrugated roof sheet has designs of wavy, trapezoidal designs, ribbed galvanized roof panels, etc. It can be used as a single-layer board, covering an existing roof, or a steel sandwich panel. Galvalume sheet itself is more cost-effective than traditional roofing materials. In addition, it is light in weight and easy and quick to install. In addition, it is durable and recyclable and requires less maintenance. All these factors make galvalume steel corrugated roof sheet an economical choice. It has a bright and smooth surface. The corrugated design is also excellent from the outside. In addition, it has good adhesion, so you can paint it in different colors. Having a galvalume steel roof makes it easy to achieve aesthetic purposes.
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Product Description

Product Description

Galvalume steel corrugated roof sheet has designs of wavy, trapezoidal designs, ribbed galvanized roof panels, etc. It can be used as a single-layer board, covering an existing roof, or a steel sandwich panel. Galvalume sheet itself is more cost-effective than traditional roofing materials. In addition, it is light in weight and easy and quick to install. In addition, it is durable and recyclable and requires less maintenance. All these factors make galvalume steel corrugated roof sheet an economical choice. It has a bright and smooth surface. The corrugated design is also excellent from the outside. In addition, it has good adhesion, so you can paint it in different colors. Having a galvalume steel roof makes it easy to achieve aesthetic purposes.

 

Superior Corrosion Resistance

The aluminum layer makes the aluminized zinc steel have excellent corrosion resistance. When the zinc wears, the aluminum will form a dense aluminum oxide layer, preventing the corrosion-resistant substance from further corroding the interior. Therefore, the corrosion resistance of GL plate is 3 times that of galvanized plate. Under the same circumstances, the service life of GL roof panels is 2-6 times that of GI roof panels.


Application scope

Commercial buildings: hospitals, schools, shops, government buildings, etc.

Residential projects: private houses, apartments, temporary houses, garages, etc.

Industrial application: warehouse, factory, etc

Agricultural use: barn, storage room, greenhouse, etc


Product parameters

Product NameGalvalume Steel Sheet
Thickness0.12mm-6.00mm
Width600mm-1500mm
Length1m-12m, support customization
StandardAISI, ASTM, DIN, JIS, GB, JIS, SUS, EN, etc.
Aluminum zinc coating thickness30-185g/m²
Aluminum zinc coating contentAl:55%, Zn:43.5%, Si:1.5%

 

Chemical Composition

AlZnSiFeCuCdPbSnNiTi+Ba+Cr
55-5841-431.5-20.250.030.050.010.050.050.05

 

Mechanical behavior

GradeYield strength MPa≥Tensile strength MPa≥Elongation A%≥
DX51D+Z/ZM/AZ/AM240-380270-50022
DX52D+Z/ZM/AZ/AM140-300270-42026
DX53D+Z/ZM/AZ/AM140-360270-38030
DX54D+Z/ZM/AZ/AM120-220260-35036
S220GD+Z/ZM/AM22030020
S250GD+Z/ZM/AZ/AM25033019
S280GD+Z/ZM/AM28036018
S300GD+ZM/AM30038018
S320GD+Z/ZM/AM32039017
S350GD+Z/ZM/AZ/AM35042016
S450GD+Z/ZM/AM45048015
S550GD+Z/ZM/AZ/AM550550-

 

Galvanized surface options

Zero zinc flowerSmall zinc flowerNormal zinc flowerBig zinc flower
    

 

Coating typeRecommended coating weight
Aluminum zinc alloy30/40/50/60/75/90/100/150
A: The coating mass is 50g/㎡, which is approximately equal to the coating thickness of 13.3pm.

 

 

ProjectClassificationSymbol
Coating typeAluminum zinc alloyAZ
Surface finishRegular SequinsR
Minimize sequinsM
Skin PassS
Surface treatmentChromate passivationC
Non-chromate passivationC5
Chromate passivation + oilingCO
Chrome-free passivation + oilingCO5
Anti-fingerprintN
Chromate-free anti-fingerprintN5
Chromate-free, highly weather-resistant and anti-fingerprintNW
oiling0
No treatmentU

 

Material comparison

Chinese standardEuropean standardAmerican standardJapanese standard
DC51D+AZDX51D+AZCS Type B, Type CSGLCC
DC52D+AZDX52D+AZDSSGLCD
S250GD+AZS250GD+AZ255-
S300GD+AZ---
S350GD+AZS350GD+AZ345345
S550GD+AZS550GD+AZ550SGLC570

 

 

FAQ

Q: Do you accept third-party inspection?

A: Yes, we absolutely accept it.

 

Q: Do you provide samples? Free or extra?

A: The cost of samples is calculated based on the value. Shipping fee is necessary.

 

Q: Do you have a large inventory of steel?

A: Yes, we have a large indoor warehouse with a total annual spot inventory of more than 200,000 tons.

 

 

Q: What is your delivery time and supply capacity?

A: The delivery time is usually within 15~28 working days, and we can supply about 10,000 tons per month.

 

Q: How to order?

A: Buyer sends inquiry-->Buyer gets quotation-->Order confirmation-->Buyer sends deposit-->Seller prepares goods-->Seller strictly inspects-->Buyer arranges balance payment-->Packaging and delivery.

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