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Features

Specifications

Basic Infomation

Place of Origin: China

Brand Name: GNEE

Certification: SGS

Payment & Shipping Terms

Packaging Details: Export Standard

Delivery Time: Contact the supplier about freight and estimated delivery time.

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Corrosion Resistant Galvanized Steel Coil with 0.16-1.2mm Thickness for Construction and Industrial Use

Product Description

DC51D+Az / S250gd+Az Hot Rolled Galvanized Steel Coil, Strip and Sheet

For Construction and Industrial Use

Product Overview

Hot Dipped Galvalume/GL Steel Coil with Aluzinc coating features a particularly smooth, silver-color spangle surface. The unique aluminum and zinc coating structure provides excellent corrosion resistance, good heat resistance, strong adhesion between coating and paint film, and superior processing performance for punching, cutting, welding, and other operations.

Widely applied in industries including building materials, house roofing steel sheet plates, automotive manufacturing, ship interior decoration, and household appliances.

Product Specifications

Standard	AISI, ASTM, GB, JIS	Material	SGCC, S350GD+Z, S550GD+Z, DX51D, DX52D, DX53D
Thickness	0.16-1.2mm	Width	600-1250mm
Tolerance	+/-0.02mm	Zinc Coating	60-275g/m²
Coil ID	508-610mm	Coil Weight	3-8 tons
Technique	Hot rolled, cold rolled	Package	Seaworthy package
Certification	ISO 9001-2008, SGS, CE, BV	MOQ	25 TONS (in one 20ft FCL)
Delivery	15-20 days	Monthly Output	10000 tons
Surface Treatment	Oiled, passivation or chromium-free passivation, passivation+oiled, chromium-free passivation+oiled, resistant to fingerprints or chromium-free resistant to fingerprints
Spangle	Regular spangle, minimal spangle, zero spangle, big spangle
Payment	30% T/T in advanced + 70% balanced; irrevocable L/C at sight
Remarks	Insurance is all risks and accept the third party test

Mechanical Properties

Usage	Grade	Yield Strength (MPa)	Tensile Strength (MPa)
Punching Galvalume Steel	DC51D+Z	-	270-500
	DC52D+Z	140-300	270-420
	DC53D+Z	140-260	270-380
Structure Galvalume Steel	S280GD+Z	≥280	≥360
	S350GD+Z	≥350	≥420
	S550GD+Z	≥550	≥560

Types of Spangle

Quality Assurance

Our factory has passed the ISO9001 quality certification system, environmental management system, and accepts third-party inspections from SGS/BV/QC and others.

Our workshop is equipped with a quality testing room. Each production stage undergoes strict quality testing to ensure product quality and reliability.

Packaging & Shipping

3-layer protective packaging: inner kraft paper, middle water plastic film, and outer GI steel sheet covered by steel strips with lock, including inner coil sleeve.

Product packaging can be customized according to customer requirements and factory standards.

Frequently Asked Questions

What steel grades are available for galvanized steel?

Common grades include DX51D+Z, DX52D+Z, DX53D+Z, DX54D+Z, S220GD+Z, S250GD+Z, S280GD+Z, S320GD+Z, S350GD+Z, SGCC, SGHC, and ASTM A653 grades.

Can galvanized steel be welded?

Yes. Galvanized steel can be welded using appropriate welding techniques. Proper ventilation and removal of zinc coating near the weld area are recommended to achieve better weld quality.

Can galvanized steel be painted?

Yes. Galvanized steel can be painted after proper surface preparation, such as cleaning and applying a suitable primer, which improves coating adhesion and extends service life.

Is galvanized steel suitable for outdoor applications?

Yes. Hot-dip galvanized steel is widely used outdoors because the zinc coating effectively protects the steel from moisture, rain, and atmospheric corrosion.

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Contact Person :	Ms. Kelly Zhang
Tel :	+8615824687445
Fax :	86-372-5055135

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