



We are pleased to offer Chinese-made AZ50 galvalume steel coils, tailored specifically for the Thai market. As a trusted wholesale supplier, every galvalume steel coil we deliver is manufactured with precision and stringent quality control, ensuring you receive premium materials that perform reliably in your projects.
1.Steel Grade: G550, customizable as per client specifications
2.Thickness Range: 0.19mm up to 0.55mm, full range available
3.Sheet Width: 914mm standard
4.Coating Layer: Alu-zinc from AZ20 to AZ50 grade
5.Length Options: adjustable based on project needs
6.Inner Diameter: 508mm or 610mm
7.Unit Weight: flexible to meet order requirements
8.Surface Finish: available in regular, small, or large spangle patterns

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 |
Designed to withstand Thailand's tropical climate, our wholesale galvalume coil stock offers exceptional durability and corrosion resistance. Whether serving the construction, automotive, or appliance sectors, these aluzinc coated steel coil solutions adapt to a wide range of industrial applications.
As a dedicated manufacturer, we are proud to hold the latest TISI certification, confirming that our GL steel coil products meet rigorous Thai industrial standards. This official recognition reflects our unwavering commitment to quality and safety, ensuring complete confidence with every order.
1.Outstanding corrosion resistance performance
It is coated with AZ50 aluminized zinc, which possesses excellent anti-oxidation and corrosion resistance properties.
It is particularly suitable for tropical climate regions such as those in Thailand. It can withstand the challenges of high temperatures, high humidity and frequent rainfall.
Effectively extend the service life of the materials and reduce the long-term maintenance costs.
2. Wide applicability and adaptability
Applicable to multiple industries such as construction, automobiles, and household appliances.
Can meet the diverse application requirements of different fields
The product specifications are flexible and can be customized according to the specific requirements of the project.
3. Authoritative Certification Assurance
Has obtained the latest TISI certification and fully complies with the Thai industrial standards.
The certification reflects our firm commitment to product quality and safety.
It provides reliable guarantee and a reassuring experience for customers when choosing our products.
4. Rapid delivery capability
Have an efficient logistics system and supply capability
Ensure that all project materials are delivered on time to guarantee the progress of the project.
Help customers manage the project schedule and avoid additional costs caused by delays.
5. Advanced production techniques
Adopting modern manufacturing processes and strict quality control systems
Each roll of AZ50 aluminized zinc steel coil has undergone precise processing.
Ensure that the product performance is stable and the quality is reliable, meeting the requirements of high-standard engineering projects.
6. Reliable quality assurance
From the selection of raw materials to the final production of the finished product, the entire process is subject to quality control.
Provide customers with reliable solutions for construction and manufacturing materials
With professional services, we help clients achieve project success.
Construction engineering field:
Roofing systems, wall insulation, garage buildings, sound barriers, piping works, modular houses, etc.
Automobile manufacturing sector:
Silencer components, exhaust pipe systems, wiper accessories, fuel tank shells, truck compartments, etc.
Appliance manufacturing sector:
Refrigerator back panels, gas stoves, air conditioning units, electronic microwave oven housings, LCD frames, CRT explosion-proof strips, LED backlight components, electrical control cabinets, etc.
Agricultural application fields:
Pig house construction, chicken coop building, grain storage, greenhouse and greenhouse building piping, etc.
Other industrial fields:
Insulation covers, heat exchanger equipment, drying machine shells, water heater exteriors, etc.
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.


