Hot DIP Galvanized Steel Coil for Construction and Manufacturing

Product Description

Product Description

Hot Dip Galvanized Steel Coil for Construction and Manufacturing

Our premium Hot Dip Galvanized (HDG) Steel Coils are manufactured using high-quality cold-rolled steel substrates processed through a continuous hot-dip galvanizing line. This advanced production method ensures a uniform, tightly adherent zinc coating that provides exceptional protection against corrosion and oxidation. Available in various zinc coating masses (Z40-Z275) and spangle options (Zero, Mini, Regular), our coils meet international standards such as ASTM A653, EN 10346, and JIS G3302. With a thickness range of 0.12mm to 3.0mm and widths from 600mm to 1500mm, these coils offer versatile solutions for diverse industrial applications. The superior surface quality and mechanical properties make them ideal for further processing including stamping, roll forming, and bending without cracking or peeling.

Key Features & Advantages

Key Features

1.Superior Corrosion Resistance: The metallurgical bond between the zinc coating and steel substrate creates a robust barrier against moisture, chemicals, and atmospheric elements, significantly extending service life.
2.Excellent Formability: Designed for demanding fabrication processes, the coils maintain coating integrity during deep drawing, bending, and profiling operations.
3.Consistent Quality Control: Advanced automated production lines ensure precise coating thickness, uniform surface finish, and strict dimensional tolerances throughout each coil.
4.Versatile Specifications: Customizable zinc coating weights, spangle sizes, and surface treatments (chromated, oiled, passivated) to meet specific application requirements.
5.High Mechanical Strength: Available in various steel grades (DX51D, DX52D, S250GD, S350GD) offering yield strengths from 140MPa to 550MPa for structural applications.

Advantages

1.Extended Service Life: The sacrificial protection of zinc coating prevents rust formation even when the surface is scratched, providing 20-50 years of maintenance-free performance in most environments.
2.Cost-Effective Solution: Eliminates the need for additional painting or coating processes, reducing manufacturing costs and environmental impact while maintaining superior protection.
3.Aesthetic Appeal: The characteristic spangled surface provides an attractive metallic appearance suitable for visible architectural applications without additional finishing.
4.Recyclability: Both steel and zinc are 100% recyclable materials, supporting sustainable construction practices and circular economy principles.
5.Wide Application Range: Suitable for roofing, wall cladding, automotive body panels, home appliances, electrical enclosures, and agricultural equipment manufacturing.

Specification

Type	Steel Coil	Thickness	3.1-5.0 mm
Coating	Z275-Z600	Standard	National Standard
Hardness	Soft	Spangle Type	Zero Spangle
Flatness	Yes	Oiled or Non-oiled	Lightly Oiled
Production Process	Hot Rolled Base	Delivery Time	8-14 Days
Origin	China	Material	Q235

Why Choose Our Factory

Certifications

Company Profile

Tianjin Guitai New Energy Technology Co., Ltd. was established in 2014 and is located in Yangjiayuan Development Zone, Jinghai District, Tianjin. Since its inception, it has been committed to "empowering the world with sunshine and letting green illuminate the future". The company not only has a complete R&D system, but also is equipped with advanced production equipment and strict quality control processes. From raw material procurement to product delivery, every link has been tested layer by layer to ensure the reliability and stability of product quality. In addition, we have established a professional after-sales team to provide customers with a full range of technical support and after-sales services, so that customers have no worries. Team members use professional knowledge and professionalism to inject strong impetus into the company's development, and also provide customers with reliable support and guarantee.
With its excellent technical strength and high-quality services, it has won the trust of many customers. Its business covers many provinces and cities in China and has gradually expanded to the international market. In the future, the company will continue to uphold the development concept of green, innovation and win-win, and contribute to the development of the global energy industry.

FAQ

1.Are you a manufacturer?
Yes, we are a manufacturer, We have own factory.
2.Can we visit your factory ?
Warmly welcome once we have your schedule we will pick you up.
3.Do you have quality control?
Yes, we have gained ISO authentication.
4.Can you arrange the shipment?
Sure, we have permanent freight forwarder who can gain the best price from most ship company and offer professional serice.
5.How long is your delivery time?
Generally it is 7-14 days if the goods are in stock or itis 25-45 days if the goods are notin stock, itis according to quantity.