China Galvanized Steel Coil Manufacturers Suppliers - Factory Direct Price

Your Professional Galvanized Steel Coil Supplier

Shandong Hengli Group was founded in 1995 and has been focusing on steel supply and services for over 30 years, accumulating extensive experience and stable supply capabilities. The company’s headquarters is located in Jinan, one of China’s largest steel raw material bases, adjacent to high-speed rail stations and airports, and bordering Tianjin Port to the north and Qingdao Port to the east, offering a superior geographical location with efficient and convenient logistics.

Cold Rolled Galvanized Steel Coil
Looking for steel coils that combine corrosion protection with a clean, uniform finish?
Our cold rolled galvanized steel coils are built to deliver durability, consistency, and long-term...
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Hot Dipped Galvanized Coil
If you’re looking for an honest, reliable Chinese supplier of high‑quality galvanized steel coils, we’re a good choice.
We’ve been in this business for 30 years, and we’ve always focused on...
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DX51D Galvanized Coil
DX51D Galvanized Steel Coil
If you’re looking for a reliable supplier of high-quality galvanized steel coils, you’ve come to the right place.
We strictly control the zinc coating...
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Why Choose Us

High-Quality Service

We provide comprehensive steel services, covering professional material selection, customized processing, and logistics and distribution. Regardless of project size, we ensure on-time delivery and stable quality.

Certifications

Shandong Hengli Group holds multiple international certifications, including ISO, SGS, BV, and CE.

Sales Market

Our steel division exports over 20,000 tons monthly, serving customers in the Middle East, South America, Russia, Europe, Southeast Asia, and Central Asia.

Product Description

Galvanized:

Technical Standard	EN10147, EN10142, DIN 17162, JIS G3302, ASTM A653
Steel Grade	Dx51D, Dx52D, Dx53D, DX54D, S220GD, S250GD, S280GD, S350GD, S350GD, S550GD; SGCC, SGHC, SGCH, SGH340, SGH400, SGH440, SGH490, SGH540, SGCD1, SGCD2, SGCD3, SGC340, SGC340 , SGC490, SGC570; SQ CR22 (230), SQ CR22 (255), SQ CR40 (275), SQ CR50 (340), SQ CR80(550), CQ, FS, DDS, EDDS, SQ CR33 (230), SQ CR37 (255), SQCR40 (275), SQ CR50 (340), SQ CR80 (550); or Customer's Requirement
Type	Coil/Sheet/Plate/Strip
Thickness	0.12-6.00mm,or customer's requirement
Width	600mm-1500mm, according to customer's requirement
Type of Coating	Hot Dipped Galvanized Steel(HDGI)
Zinc Coating	30-275g/m2
Surface Treatment	Passivation(C), Oiling(O), Lacquer sealing(L), Phosphating(P), Untreated(U)
Surface Structure	Normal spangle coating(NS), minimized spangle coating(MS), spangle-free(FS)
Quality	Approved by SGS,ISO
ID	508mm/610mm
Coil Weight	3-20 metric ton per coil
Package	Water proof paper is inner packing,galvanized steel or coated steel sheet is outer packing , side guard plate,then wrapped by seven steel belt.or according to customer's requirement
Export market	Europe, Africa, Central Asia, Southeast Asia, Middle East, South America, North America, etc

Benefits of Galvanized Steel Coil

The numerous benefits of galvanized steel coil contribute to its popularity across industries:

Corrosion Resistance: The zinc coating on galvanized steel acts as a protective barrier, preventing the underlying steel from rust and corrosion. This resistance extends the lifespan of materials, reducing maintenance and replacement costs.

Longevity: Galvanized steel coil's exceptional durability translates to extended lifespans for various products, from buildings to vehicles, resulting in cost savings over time.

Strength and Structural Integrity: The inherent strength of galvanized steel ensures that it can withstand mechanical stresses and structural loads, providing stability and safety to the applications it supports.

Aesthetic Appeal: Galvanized steel's metallic appearance contributes to the aesthetic appeal of products, making it suitable for both functional and design-oriented applications.

Environmental Sustainability: The galvanization process uses zinc, a naturally abundant material, and the durability of galvanized steel coil reduces the need for frequent replacements, minimizing waste.

Low Maintenance: The minimal maintenance requirements of galvanized steel coil make it a convenient choice for applications where accessibility for upkeep might be limited.

Versatility: Galvanized steel coil can be customized for different applications, thanks to its wide range of available coatings and thicknesses.

Methods of Galvanising Steel Coils

There are several methods used to galvanise steel coils, each offering different coating properties, surface finishes, and ideal applications. The table below compares the most common galvanising techniques and their industrial relevance.

Method	Process Description	Coating Characteristics/ Quality	Ideal Applications & End-use Industries
Hot-dipped Galvanising	Steel is immersed in molten zinc at high temperatures, forming a thick, metallurgically bonded zinc coating.	Produces a thick, durable coating with excellent corrosion resistance and a slightly rough surface texture.	Best suited for construction, infrastructure, and outdoor structural components such as guardrails, roofing sheets, and beams exposed to weather.
Galvanealing	Combines hot-dipping with annealing – steel is dipped in molten zinc and then heat-treated to create a matte grey finish.	Results in a zinc-iron alloy coating with superior paintability and surface adhesion.	Common in automotive manufacturing and appliance fabrication where a smooth, paint-ready surface is needed.
Pre-Galvanising (Mill Galvanising)	Performed in steel mills before fabrication – the steel sheet is passed through molten zinc and recoiled immediately.	Offers uniform coating thickness and quick production. Coating is thinner than hot-dipped.	Suitable for light fabrication, ducting, and indoor applications where less corrosion exposure is expected.
Electrogalvanising	Uses an electrolytic process to coat steel with a controlled layer of zinc without immersion in molten zinc.	Produces a thin, smooth, and precise coating with excellent surface finish but lower corrosion resistance than hot-dipped.	Ideal for automotive panels, electronic housings, and consumer appliances requiring smooth aesthetics and precision.
Galvanising of Advanced High-Strength Steel (AHSS)	Involves dipping AHSS in molten zinc with controlled chemical treatment for improved adhesion and strength.	Ensures high-strength, formable coating with enhanced bonding and durability.	Used in automotive body structures, safety components, and industrial machinery that require both strength and corrosion resistance.

Types of Galvanized Steel Coil

GI Coil (Galvanized Iron):

Regular zinc-coated steel, typically using hot-dip galvanization.

GA Coil (Galvannealed Steel):

Zinc-coated then heat-treated to create a zinc-iron alloy, offering better paintability.

GL Coil (Galvalume Steel):

Coated with a mixture of zinc, aluminum, and silicon for superior corrosion resistance.

Packing

Standard seaworthy export packing:3 layers of packing,inside is kraft paper,water plastic film is in the middle and outside Gl steel sheet to be covered by steel strips with lock,with inner coil sleeve

FAQ

Q: Can I visit your factory?

A: Of course, we welcome customers from all over the world to visit our factory. However, some factories are not open to the public.

Q: Can you send samples?

A: Of course, we can send samples to all over the world, our samples are free, but customers need to bear the express cost.

Q: How long is your delivery time?

A: Generally speaking, our delivery time is within 15-45 days, if the demand is particularly large or there are special circumstances, the delivery time may be delayed.

Q: What are the packaging methods for steel products?

A: Our steel products are usually packed by bundling. For some steel products with special requirements, such as stainless steel plates, we also use moisture - proof and anti - rust packaging materials, such as plastic films and anti - rust paper, to prevent the steel from being damaged and corroded during transportation and storage.

Q: What payment methods do you accept?

A: We usually accept payment methods such as Telegraphic Transfer (T/T), Letter of Credit (L/C), and Collection (D/P, D/A). Of course, we can also negotiate more flexible payment methods according to specific circumstances.

We're known as one of the most professional galvanized steel coil manufacturers and suppliers in China. Please rest assured to buy high quality galvanized steel coil for sale here from our factory. For price consultation, contact us.

1 5 8 inch galvanized pipe, gi sheet roll, 1 5 8 galvanized pipe