



We are excited to introduce our galvalume steel coil — China AZ50 grade, specifically developed to support a wide range of applications across the Thai market. Every batch of our wholesale galvalume steel coil is precisely engineered and meticulously processed, guaranteeing that only top-tier materials go into your project.
1.Grade: G550, all according to the customer's request
2.Thickness: 0.19mm-0.55mm, all available
3.Width: 914mm
4.Alu-zinc coating: AZ20 to AZ50
5.Length: according to per customer's requirement
6. Coil ID: 508/610mm
7.Coil weight: according to per customer's requirement
8.Spangle: regular spangle, small spangle, big spangle

11. Surface treatment: Chemical treatment, oil, dry, Chemical treatment and oil, anti-finger print.
| Steel Type | AS1397-2001 |
EN 10215-1995 |
ASTM A792M-02 |
JISG 3312:1998 |
ISO 9354-2001 |
|
Steel for Cold Forming and Deep Drawing Application |
G2+AZ |
DX51D+AZ |
CS type B, type C |
SGLCC |
1 |
|
G3+AZ |
DX52D+AZ |
DS |
SGLCD |
2 |
|
| G250+AZ |
S250GD+AZ |
255 |
- |
250 | |
|
Structural Steel |
G300+AZ |
- |
- |
- |
- |
| G350+AZ |
S350GD+AZ |
345 Class1 |
SGLC490 |
350 | |
| G550+AZ |
S550GD+AZ |
550 |
SGLC570 |
550 |
| Surface T reatment |
Feature |
| Chemical Treatment |
minimize the chance of humid-storage staining forms a dark gray surface discoloration on the surface |
|
retain the bright metallic luster for a long period |
|
| Oil |
minimize the tendency for humid-storage stain |
|
Chemical Treatment and Oil |
The chemical treatment provides very good protection against humid-storage staining, while the oil provides lubricity for operations. |
| Dry |
must be transported and stored with special precautions to preserve low-humidity conditions. |
| Anti-finger print |
minimize tlie chance of humid-storage staining forms a dark gray surface discoloration on the surface |
Our wholesale AZ50 galvalume steel coil offers outstanding durability and superior rust resistance, making it a perfect fit for Thailand's hot and humid climate. Whether your work involves construction, automotive manufacturing, or appliance production, our coil galvalume is versatile enough to handle a wide range of applications.
What's more, as a trusted coil galvalume manufacturer, we are proud to have earned the latest TISI certification, which confirms that our galvalume steel coil fully meets Thai industrial standards. This recognition reflects our strong commitment to quality and safety, giving you full confidence when selecting our products.
1.Fast delivery, without delaying the schedule
We are well aware of the significance of project progress. With efficient production scheduling and a mature logistics system, we can achieve rapid shipment, ensuring that you receive the products within the promised time frame, while never compromising on quality.
2. Advanced technology, stable quality
Each AZ50 galvanized steel coil is produced using modern manufacturing techniques and strictly adheres to international quality standards. From raw materials to finished products, every step is carefully controlled to ensure consistent product performance, reliability and durability.
3. Excellent corrosion resistance, suitable for harsh environments
The AZ50 coating offers outstanding corrosion protection, especially suitable for humid, hot, or rainy climatic conditions, thereby extending the service life of the material.
4. Wide applicability, flexible to meet demands
Whether it is in construction, industrial manufacturing, or home appliance production, our aluminized zinc steel coils can provide stable support and meet the requirements of different industries for strength, formability and weather resistance.
5. Customizable Services
We can offer various options in terms of width, thickness and roll weight according to customer requirements. We support OEM/ODM cooperation mode and can flexibly meet the needs of various projects.
Galvalume steel coil is a versatile material trusted across multiple industries for its durability, corrosion resistance, and heat reflectivity. Below are the key application areas where our galvalume coil delivers outstanding performance:
1. Buildings
From roofs and walls to garages, soundproof walls, pipes, and modular houses, galvalume steel coil provides long-lasting protection against weathering and rust, making it a preferred choice for modern construction.
2. Automobile
Our galvalume coil is widely used in automotive components such as mufflers, exhaust pipes, wiper accessories, fuel tanks, and truck boxes, where heat resistance and structural integrity are essential.
3. Household Appliances
Whether it's refrigerator back panels, gas stoves, air conditioners, electronic microwave ovens, LCD frames, CRT explosion-proof belts, LED backlights, or electrical cabinets, galvalume steel coil offers reliable performance and a clean, professional appearance.
4. Agricultural Use
From pig houses and chicken houses to granaries and greenhouse pipes, galvalume coil stands up to humid and corrosive farm environments, ensuring long service life with minimal maintenance.
5. Other Applications
Galvalume steel coil is also ideal for heat insulation covers, heat exchangers, dryers, and water heaters, where heat reflectivity and corrosion resistance are critical.
As China metal materials industry leading enterprises, the national steel trade and logistics "Hundred good faith enterprise",China steel trade enterprises, "Top 100 private enterprises in Shanghai”. Shanghai Zhanzhi industry Group Co., Ltd.,(shorted to Zhanzhi Group) takes the" Integrity, Practicality, Innovation, Win-Win " as its sole operation principle, always persist in putting the customer demand in the first place.


