G550 Aluzinc Galvalume Steel Coil for Roofing Construction
G550 Aluzinc Galvalume Steel Coil for Roofing Construction
Feature
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As reliable Aluzinc Galvalume Steel Coil, G550 grade stands out for high tensile strength and outstanding anti‑rust performance. As one trusted Az50 Galvalume option, this material works great for roofing, wall cladding and multiple outdoor‑exposed components. Tianjin Zhanzhi Steel acts as professional Coil Galvalume Manufacturer, supplying stable‑quality Wholesale Galvalume Steel Coil and bulk Wholesale Az50 Galvalume for overseas buyers.
1.Standard: AISI, ASTM, BS, DIN, GB, JIS
2.Grade: G550, all according to the customer's request
3.Standard: JIS3321/ASTM A792M
4.Thickness: 0.16mm-2.5mm, all available
5.Width: customized
6. Length: according to per customer's requirement
7.Coil ID: 508/610mm
8. Coil weight: according to per customer's requirement
9.Alu-zinc coating: AZ50 to AZ180
10.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 |
S25OGD+AZ |
255 |
- |
250 | |
|
Structural Steel |
G300+AZ |
- |
- |
- |
- |
| G350+AZ |
S35OGD+AZ |
345 Class1 |
SGLC490 |
350 | |
| G550+AZ |
S55OGD+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 |
1.Al-Zn-Si alloy coating — delivers 2-6 times longer anti-corrosion service life than conventional hot-dip galvanized coil
2.G550 full-hard substrate — high tensile strength, ideal for roll forming roof profiles from Aluzinc Galvalume Steel Coil
3.Multiple spangle options — small, regular and big spangle to meet different visual requirements for China Az50 Galvalume
4.Good processing property — supports cutting, bending, welding and further painting operations
5.Stable high-temperature performance — fine heat-resistant capacity for outdoor building environments
6.Diverse surface finishes — anti-fingerprint and passivation choices reduce humid-storage staining during sea transit
7.Clear metallic spangle texture — can be directly used as exterior decorative panels without top paint
8.Strict coating thickness control — each roll of Wholesale Galvalume Steel Coil meets international coating weight standards
1.Strong group backing — Tianjin Zhanzhi Steel is backed by ZZ GROUP founded in early-1980s Shanghai, a large-scale comprehensive steel enterprise
2.Complete factory & warehouse layout — more than 20 subsidiaries together with 6 factories across China for stable output as an Az50 Galvalume Factory
3.Large-volume supply capability — annual steel sales over 4.5 million tons, capable of handling big orders for Wholesale Az50 Galvalume
4.Professional QC procedure — raw-material inspection plus finished-coil test for every shipment of Aluzinc Galvalume Steel Coil
5.Rich overseas export experience — familiar with documentation and delivery requirements for global clients sourcing China Az50 Galvalume
6.Flexible custom solutions — adjust thickness, coating weight, spangle and surface treatment according to project drawing
7.One-top export service — product consultation, cutting guidance, seaworthy packing and shipping tips supported by this Coil Galvalume Manufacturer
8.Customer-oriented business philosophy — follows Integrity, Practicality, Innovation, Win-Win principle for long-term cooperation
Building roofing & wall cladding — primary usage for Aluzinc Galvalume Steel Coil on industrial and residential construction
Modular & prefabricated houses — outer metal panels for temporary and permanent pre-engineered buildings
Agricultural facilities — livestock sheds, granary wall panels and greenhouse structural parts using Wholesale Galvalume Steel Coil
Automobile accessory parts — muffler shell, exhaust component and truck cabinet inner protective panels
Household appliance shells — refrigerator backboard, air-condition cabinet and electrical equipment housings
Ventilation & heat-exchange equipment — air duct, heat-insulating cover and dryer component from China Az50 Galvalume
Outdoor metal structures — storage tanks, pipeline protective covers and other exposed metal work suitable for Wholesale Az50 Galvalume
Q1: What makes G550 Aluzinc Galvalume Steel Coil different from regular galvanized coil?
A: Its 55%-aluminum aluzinc alloy coating provides far superior anti-corrosion and heat-resistant performance. G550 grade also offers higher hardness for roll-forming roofing profiles.
Q2: Can Tianjin Zhanzhi Steel produce Az50 Galvalume for wholesale projects?
A: Yes. As an experienced Coil Galvalume Manufacturer, we can supply large-batch Wholesale Az50 Galvalume with AZ50 up to AZ180 coating options.
Q3: What spangle choices are available for China Az50 Galvalume orders?
A: Small spangle, regular spangle and big spangle can be selected. Big spangle is widely chosen for projects requiring natural metallic decorative appearance.
Q4: Which surface treatment should I pick for sea-shipped Wholesale Galvalume Steel Coil?
A: Anti fingerprint or chemical-treatment plus oil are highly recommended, they effectively reduce humid-storage staining on long sea voyages.
Q5: What are the typical application limits for G550 grade Aluzinc Galvalume Steel Coil?
A: G550 is full-hard material best suited for roll-forming simple profiles; it is not recommended for deep-drawing stamping processing scenarios.
Application
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.
- INTEGRITY
- WIN-WIN
- PRAGMATIC
- INNOVATION
