Hot-Dip Al-Zn Alloy Coated Steel 03
Hot-Dip Al-Zn Alloy Coated Steel 01
Hot-dip Galvalume Steel
Hot-Dip Al-Zn Alloy Coated Steel 02
Hot-Dip Al-Zn Alloy Coated Steel 04
Hot-Dip Al-Zn Alloy Coated Steel 03
Hot-Dip Al-Zn Alloy Coated Steel 01
Hot-dip Galvalume Steel
Hot-Dip Al-Zn Alloy Coated Steel 02
Hot-Dip Al-Zn Alloy Coated Steel 04

Hot-Dip 5%/ 55% Al-Zn Alloy Coated Steel Products

Hot-Dip 5%/ 55% Aluminum-Zinc Alloy Coated Steel Products (Metallic Coated Steel Products) provide exceptional corrosion resistance, high structural strength, and excellent formability, ensuring long-lasting protection and maintaining their integrity during bending, stamping, or forming processes. Hot-Dip 5%/ 55% Al- Zn Alloy Coated Steel Products are widely used in various applications, including building structures, automotive parts, flooring, and agriculture. Manufactured in compliance with international standards, these products are a trusted choice for industries seeking performance, reliability, and extended service life.

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Properties of Hot-Dip 5%/ 55% Al- Zn Alloy Coated Steel Products

Corrosion Resistance

Hot-Dip 5%/ 55% Al- Zn Alloy Coated Steel Products feature protective coatings composed of aluminum-zinc alloys. These coatings form a barrier that protects the steel substrate from oxidation and rust, particularly in harsh environments such as coastal, humid, or chemical exposure areas. Typical applications include building facades, roofing, guardrails, and agricultural structures.

Formability

The coatings on Hot-Dip 5%/ 55% Al- Zn Alloy Coated Steel Products offer excellent adhesion and ductility, allowing the steel to be bent, stamped, or cut without cracking or flaking. This superior formability makes the products ideal for applications requiring complex shapes, such as automotive panels, appliance housings, and formed components, thereby improving production efficiency and reducing manufacturing costs.

High Strength

Hot-Dip 5%/ 55% Al- Zn Alloy Coated Steel Products are manufactured from high-quality steel substrates that provide exceptional tensile strength and structural integrity. They can withstand heavy loads, strong winds, and extreme weather conditions while maintaining shape and stability, making them ideal for structural and load-bearing applications in construction and industrial sectors.

Available Size of Hot-Dip 5%/ 55% Al- Zn Alloy Coated Steel Products
Structure of Hot-Dip 5%/ 55% Al-Zn Alloy Coated Steel Products
Product Specifications of Hot-Dip 5% Al-Zn Alloy Coated Steel
Product Specifications of Hot-Dip 55% Al-Zn Alloy Coated Steel
Surface Finish and Coating Type
Packaging of Hot-Dip 5%/ 55% Al-Zn Alloy Coated Steel Products

Available Size of Hot-Dip Galvanized Steel

Product Base Type Thickness (mm) Width (mm)
Hot-Dip 5% Al-Zn Alloy Coated Steel Cold Rolled Base 0.20-2.00 700-1280
Hot Rolled Base 1.30-4.50 670-1280 (Untrimmed)
670-1260(Trimmed)
Hot-Dip 55% Al-Zn Alloy Coated Steel Cold Rolled Base 0.16-2.00 700-1538

* The tables above show the widest range of product dimensions. For a detailed acceptable order range, please contact our Marketing & CS Division.

Structure of Hot-Dip 5%/ 55% Al-Zn Alloy Coated Steel Products

Product Specification and Size of Hot-Dip 5% Al-Zn Coated Steel Coil

Specifications JIS G 3317 ASTM A875/A875M AS 1397 EN10346
  SZACC SZACD1 SZAC340 SZAC400 SZAC440 SZAC490 SZAHC SZAH340 SZAJ400 SZAJ440 SZAH490 SZAC570 Commercial Steel Type A, B, C

Forming Steel Type

A, B
DDS Structural Steel Grade 230 255 275 340 Structural Steel Grade 550 G1 G2 G3 G250 G300 G350 G450 G500 G550 DX51D DX52D DX53D S220GD S250GD S280GD S320GD S350GD S420GD S450GD S550GD
Base Steel Thickness (mm) 0.2 ‐ 1.5 0.3 ‐ 1.1 0.3 ‐ 1.25 1.3 ‐ 4.5 0.75 ‐ 2.0 0.20-4.50 0.20‐1.50 0.30‐ 1.10 0.3‐4.50 0.75-2.0 0.20‐4.50 0.20‐1.50 0.30‐1.10 0.20‐4.50 0.60‐1.75 1.00‐1.75 0.75‐2.00 0.20‐4.50 0.20‐1.50 0.30-1.10 0.30-4.50 1.55-4.50 0.75-2.00
Coating Mass
 

Y08 Y10

Y12 Y14

Y18 Y20

Y22 Y25

Y27 Y30

Y35

ZGF90

ZGF135

ZGF180

ZGF225

ZGF275

ZGF350

ZA90

ZA135

ZA180

ZA225

ZA275

ZA350

ZA095

ZA130

ZA185

ZA200

ZA255

ZA300

ZM120 ZM130 ZM140

ZM150 ZM160 ZM175

ZM190 ZM200 ZM250

ZM300 ZM310 ZM350

Remarks
  1. Spangle diameter above 3mm is regular spangle. Under 3mm is minimized spangle.
  2. Tolerance for thickness, width, flatness, and so on conforms to individual product specification.
  3. All products with a thickness of 2.0mm and under can be skin passed.
  4. The specification for thicknesses under 1.6mm for hot-rolled base metal according to JIS G 3323 will be the same as for thicknesses 1.6mm and above.
  5. The coil inside diameters can be either 508mm or 610mm. The maximum coil outside diameter is 2000mm.
  6. Please make inquiries to our Marketing & CS Division for products with special specifications.

Product Specification and Size of Hot-Dip 55% Al-Zn Coated Steel Coil

Specifications JIS G 3321 ASTM A792M AS 1397 2011  EN10346
  SGLCD
SGLCDD
SGLCC

SGLC400

SGLC440

SGLC570
CS
Type
A
B
C
FS
DS SS
Grade
230
255
275
340
550
G3 G1
G2
G250 G300 G350 G450 G500 G550 DX51D DX52D
DX53D
S220GD
S250GD
S280GD
S320GD
S350GD
S550GD

Base Steel

Thickness

(mm)
0.30-1.50 0.16-2.00 0.20-2.00 0.16-2.00 0.30-1.50 0.20-2.00 0.30-1.50 0.16-2.00 0.20-2.00 0.16-2.00 0.30-1.50 0.20-2.00 0.20-2.00
Coating Mass
Regular Spangle

AZ70

AZ90

AZ120

AZ150

AZ170

AZ185

AZM100

AZM110

AZM120

AZM150

AZM165

AZM180

AZ150

AZ100

AZ150

AZ185

Remarks
  1. Tolerance for thickness, width, flatness, and so on conforms to individual product specification.
  2. All products with a thickness of 2.0mm and under can be skin passed.
  3. The coil inside diameters can be either 508mm or 610mm. The maximum coil outside diameter is 2000mm.
  4. Please make inquiries to our Marketing & CS Division for products with special specifications. Coating mass beyond the specifications above can be provided by Yieh Corp. upon mutual agreement between customer and us.

Surface Finish and Coating Type

Texture Coating Type Production Method Characteristics Application Protection
Hot-Dip 5% Al-Zn Alloy Coated Steel The coating alloy comprises about 5% aluminum, mischmetals, and balanced Zn. Good formability, excellent paintability, and superior corrosion resistance. CZ purlin, gutters, door frame, auto parts, vending machines, and guardrails. Chromating, Oiled, Resin Coated (Anti-Fingerprint), or Green Treatment (Environmentally Friendly Anti-Fingerprint)
Hot-Dip 55% Al-Zn Alloy Coated Steel The coating alloy comprises about 55% Al, 1.5% Si, and balanced Zn. Uniform and pleasing appearance, and good adhesion. Ducts, auto parts, electrical appliances, vending machines, refrigerators, ovens, and pre-painting.

Packaging of Hot-Dip 5%/ 55% Al-Zn Alloy Coated Steel Products

Protective Wrapping and Labeling Reinforcement and Strapping Export Palletizing
The steel coil is wrapped with kraft paper or a waterproof liner, and edge protectors are applied to both the inner and outer circumferences to prevent impact damage. A label is then affixed to ensure product traceability and facilitate easy identification during handling and transportation. The entire coil is securely bound with steel straps to maintain structural integrity and prevent shifting during transport. This reinforcement also helps protect the packaging from loosening and exposure to moisture. The coil is positioned upright on wooden pallets to ensure stability and make forklift handling easier, which helps minimize the risk of damage during international shipping.

Application of Coated Steel

Agricultural Structures

Hot-Dip 5%/ 55% Al- Zn Alloy Coated Steel Products are ideal for grain bins, silos, and other agricultural storage structures due to their exceptional resistance to moisture and chemical corrosion. These coatings protect the steel from both internal and external corrosion, helping preserve structural integrity and ensure long-lasting performance in harsh farming environments.

Automotive

Hot-Dip 5%/ 55% Al- Zn Alloy Coated Steel Products are used in vehicle frames, body panels, and underbody components, where corrosion protection and strength are critical. They offer enhanced formability, making them suitable for complex automotive parts while reducing the risk of cracking or coating damage during manufacturing.

Building Components

Hot-Dip 5%/ 55% Al- Zn Alloy Coated Steel Products are commonly used in roofing, wall panels, framing, and structural supports. Their exceptional corrosion resistance, particularly in exposed or coastal environments, extends the lifespan of buildings. These coatings effectively resist oxidation and weathering, ensuring long-term durability, minimal maintenance, and lasting aesthetic appeal.

Floor Decking

Hot-Dip 5%/ 55% Al- Zn Alloy Coated Steel Products are ideal materials for floor decking, offering a combination of high structural strength, corrosion resistance, and long-term durability. These products are widely used in commercial, industrial, and high-rise construction projects where load-bearing performance and resistance to environmental degradation are critical.

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