Galvanized Steel Coil

OVERVIEW OF ALUZINC STEEL COIL

Also known as galvalume or zincalume steel, aluzinc steel is a form of cold-rolled galvanized steel with a metal coating composed of 55% aluminum, 43% zinc, and 1.6% silicon. Its unique composition gives aluzinc steel some distinctive features by the combination of the physical protection and high durability of aluminum and the electrochemical protection of zinc.

Aluzinc is the world’s fastest-growing metallic coating. This is due to the fast combined strength, formability, and recyclability of steel with the proven long-term anti-corrosion performance of the AI-Zn alloy coating. This combination results in an economical product with superior eco-friendliness attributes of durability, recyclability, energy efficiency, and scarce resource utilization.

Thickness	1 mm
Material	Aluzinc Steel
Minimum Order Quantity	10 Kg
Standard	JIS / EN / ASTM Standard
Grades	SGLCC / SGL400 / SGL440 / SGL570 / SGLCD
	ASTM A792M CS-A / CS-B / CS-C
	SS230 / SS255 / SS275 / SS340 / SS550
	DX51D / DX52D / DX53D
	S220GD / S250GD / S280GD / S320GD / S350GD / S550GD
Coating	AZ40-AZ150
Alu-Zinc Coating	20-165g/m2
Spangle	Regular Spangle
Sizes	Thickness: 0.23mm – 3.0mm Width: 900mm-1250mm
Surface Treatment	Chromate Treatment, Anti-fingerprint
Coil Weight	0.5 Tons – 25 Tons
Technique	Other, Hot Rolled-Cold Rolled-Galvanized Surface Treatment
Application	Other, Structural use ,roofing, Commercial Use, Household Appliance, Industry
T Bending(top/back)	≤ 3T/4T
Anti-MEK  Wiping	100times
We support customization of color-coated coils of various specifications and uses

Classification of zinc flowers:

The European Standard (EN) is divided into two categories (EN 10346):

1. normal zinc bloom (N): no control of the solidification process of the zinc layer is required and various sizes of zinc bloom or no bloom are allowed;

2. Mini zinc bloom (M): requires control of the solidification process of the zinc layer, obtaining small zinc blooms (usually not visible to the naked eye).

The classification of the Japanese standard JIS G3302 is closer to the European standard.

The American Standard ASTM classifies three categories (ASTM A653):

1. Normal zinc bloom: does not require control of the solidification process of the zinc layer, allowing various sizes of zinc bloom to be generated during the natural solidification process;

2. Small zinc bloom: requires control of the solidification process of the zinc layer to obtain a relatively uniform and small size of zinc bloom, but still visible to the naked eye;

3. Zero zinc bloom: control means to obtain a fine zinc bloom that is not visible to the naked eye.

The national standard GB/T 2518 classification is closer to the American standard.