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Galvanized Aluminium Steel Coils for Roofing

Galvanized Aluminium Steel Coils for Roofing
1)Grade:SGCC DX51D, DC51D
2)Thickness:0.15—3.5mm
3)Width:600---1500mm
4)Zinc Coating:50-150g/m2
5)Technique:Zinc and Aluminum alloy Coating
6)Application:General use, construction industry, household appliance industry, automobile industry and industrial instruments.
7)Surface Treatments:Chromic acid,oiled, bright finish.
8)Spangle:Spangle Free/Min Spangle.
9)Coil Weight:4 tons or as per customer required
10)Coil ID:508mm
MOQ:
Availability:

Product Description

Galvanized Aluminium Steel Coils for Roofing is produce a similar process to that used to manufacture galvanized steel. While both products have steel base, galvanized steel has a coating of 100% zinc, whereas zinc-alum coated steel has an alloy coating of 43.5% zinc, 55% aluminum and 1.5% silicon.


Descriptions:

1)Grade:SGCC DX51D, DC51D 

2)Thickness:0.15—3.5mm 

3)Width:600---1500mm 

4)Zinc Coating:50-150g/m2 

5)Technique:Zinc and Aluminum alloy Coating 

6)Application:General use, construction industry, household appliance industry, automobile industry and industrial instruments. 

7)Surface Treatments:Chromic acid,oiled, bright finish. 

8)Spangle:Spangle Free/Min Spangle. 

9)Coil Weight:4 tons or as per customer required 

10)Coil ID:508mm


Features: 

a) has superior longer term corrosion resistance in most atmospheric conditions. 

b) Has a finely spangled silvery matt finish. 

c) is readily paintable using good quality primers and water-base acrylic topcoats. 

d) Performs exceptionally well in area not regularly washed by rainwater (heavy drainage area).

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The galvalume & aluzinc steel sheet in coil uses the cold-rolled steel sheet as a substrate and solidified by 55% aluminum, 

43.4% zinc and 1.6% silicon at 600 °C. It combines the physical protection and high durability of aluminum and the 

electrochemical protection of zinc. It is also called aluzinc steel coilplate.

 

Advantage:

 Strong corrosion resistance, 3 times that of galvanized steel sheet.

 The density of 55% aluminum is smaller than the density of zinc. When the weight is the same and the thickness of the 

plating layer is the same, the area of the galvalume steel sheet is 3% or larger than that of the galvanized steel sheet. 

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Product Name

Aluminum Zinc Coil

Standard

AISI, ASTM, BS, DIN, GB, JIS

Material

Q195 Q235 SGCC SGCH SGC340 SGC400 SGC440 SGC490 SGC570 SGHC SGH340 SGH400 SGH440 SGH490 SGH540 DX51D DX52D DX53D DX54D S220GD S250GD S280GD S320GD S350GD S400GD S500GD S550GD

Thickness

0.12-2.0mm

Zinc Layer

20-120g/m2

Width

600-1250mm

Zinc Spangle

Big, Medium, Small, Zero

Grade

Full hard/ CS-A, B, C/ FS-A/B/DQ/ SS-33, 37, 40, 50 and 80 Grades as per ASTM/EN/JIS/SASO

Shape

Coil, Strip, Flat, Sheet, Plate, etc

Application

Building Materials, Steel Structure, Home Construction, Roofing Sheets, etc

Surface Treatment

Regular spangle, Minimum Spangle, Zero Spangle, Big Spangle

Product Features

Good Performance, High Precise, High Straightness, High Evenness And Surface Finishing, Uniform Thickness, Easy For Coating Process, High Tensile Strength, High Pressing Property And Low Yield Point

 

Surface Finish

Surface Structure

Mini Spangle

Big Spangle

Weight of zinc coating

Zinc > 20g/sm

Zinc > 30g/sm

Surface Finish

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