As1397 G550 Galvalume Steel Coil Aluzinc Zincalume For Steel Frame And Trusses

Short Description:

The coating structure of the galvalume steel strip is Zn-Al alloy, and the coating composition is 55% Al, 43.3% Zn, and 1.6% Si. Because of its excellent corrosion resistance, this kind of steel is widely used all over the world.

The development of aluzinc steel. In terms of supply and demand, after years of adjustments and market competition, China’s galvalume steel coil industry has gradually stabilized. The market supply and demand relationship is relatively balanced. The production and sales rate is above 90% every year, and a considerable amount of products are exported every year.

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Galvalume Steel Strip Specification

Galvalume steel strip is also named aluzinc steel strip or zincalum steel strip. The base material is non-alloy low carbon cold rolled steel coil. The surface composition is 55% aluminium, 43.4% and 1.6% silicon cured at 600℃.Galvalume has a gorgeous silver-white surface.

Thickness	0.12mm-3mm, according to customer's requirement
Width	50-500mm, according to customer's requirement
Standard	GBT2518-2008, ASTM A653,JIS G3302,EN 10142,AS NZS1397 and etc
Material Grade	DX51D,SGCC,G300,G550,SGCH570
AZ Coating	AZ30-AZ150
Surface Treatment	Passivation or Chromated, Skin Pass,Oil or Unoiled,or Antifinger print
Spangle	Normal(non-skinpassed) / Skinpassed / Regular / Minimized
Coil weight	0.5-1.5tons, one package is 3-6 tons or as customer's requirement
Coil inner Diameter	508/610mm or as per your request
Hardness	Soft hard (HRB60), Mediun hard (HRB60-85), Full hard (HRB85-95)

Product Advantages
1.Available for customized specification on customers' request.
2.Perfect Corrosion Resistance. The service life of galvalume is 3-6times as long as that of galvanized surface.
3.Perfect Processing Performance. Fully meet the requirement of roll processing, stamping, bending, ect.
4.Perfect Light Refelectivity. The ability of reflecting light and heat is twice that of galvanizing.
5.Perfect Heat Resistance. Galvalume products can be used at 315 degree Celsius for a long time without discoloration.
6.Excellent adhesion between the paint. Easy to paint and can be painted without pretreatment and weathering.