Electro Galvanized Steel Coil Manufacturer - ISO-Certified OEM/ODM Supplier

Tianjin TISCO International Trade Co., Ltd.

Verified Custom manufacturer 5yrs

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Electro galvanized steel coil manufacturer image

Technical Specifications of Electro Galvanized Steel Coil

Property	Parameter	Description
Product Name	Electro Galvanized Steel Coil	Cold-rolled steel with electrolytic zinc coating
Coating Process	Electro-galvanizing (EG)	Electroplating zinc layer for corrosion protection
Base Material	Cold Rolled Steel / SPCC / DC01	Low carbon steel substrate
Standard Compliance	ASTM A879, JIS G3313, EN 10152	Meets international coating standards
Zinc Coating Weight	20-120 g/m² (both sides)	Typical range: 40/40, 60/60, 80/80 g/m²
Coating Thickness	3-15 μm per side	Uniform electrolytic zinc layer
Thickness Range	0.15-3.0 mm	Available substrate thickness options
Width Range	600-1500 mm	Standard coil widths for processing
Coil ID	508 mm / 610 mm	Inner diameter options
Coil Weight	3-10 tons	Standard coil weight range
Surface Finish	Bright, Matte, Oiled	Multiple surface treatment options
Tensile Strength	270-550 MPa	Depends on base material grade
Yield Strength	≥140-380 MPa	Varies by steel grade specification
Elongation	≥20-38%	Ductility for forming operations
Corrosion Resistance	240-720 hours (NSS test)	Salt spray test performance per ASTM B117
Application	Automotive parts, home appliances, electronics	Suitable for stamping and forming
Certification	ISO 9001, SGS, EN 10204 3.1	Quality certifications provided
Packaging	Waterproof paper, steel strapping, wooden pallet	Standard export seaworthy packaging
MOQ	25 tons	Minimum order quantity per specification

Electro Galvanized Steel Coil Manufacturer - ISO-Certified OEM/ODM Supplier

Electro galvanized steel coil manufacturer operations deliver precision-coated steel products through advanced electroplating technology, serving automotive, construction, and appliance industries worldwide. As a specialized producer, we provide zinc-coated steel coils with coating weights ranging from 20-120 g/m² per side, meeting ASTM A879/A879M and EN 10152 specifications. Our manufacturing facility processes cold-rolled steel substrates with thickness tolerances of ±0.02mm, ensuring consistent surface quality for stamping, roll-forming, and deep-drawing applications across diverse industrial sectors.

What is Electro Galvanized Steel Coil?

Electro galvanized steel coil represents cold-rolled steel substrate electroplated with zinc coating through electrochemical deposition process, producing uniform metallic layer with thickness precision of ±2 micrometers. This manufacturing method deposits pure zinc onto steel surface at controlled current density of 20-60 A/dm², creating corrosion-resistant barrier with superior paint adhesion compared to hot-dip galvanizing alternatives.

Electro Galvanized Steel Coil Technical Specifications

Our electro galvanized steel coil production adheres to ASTM A879/A879M-17 Grade A requirements, featuring zinc coating mass of 50-120 g/m² (Z50-Z120 designation), base metal thickness range of 0.15-3.0mm, and coil width capabilities up to 1,850mm. Material exhibits minimum yield strength of 140-550 MPa depending on substrate grade, with surface roughness maintained below Ra 1.2μm for optimal coating uniformity. Chromate passivation treatment per ASTM B201 provides additional corrosion resistance, achieving 96-hour neutral salt spray test performance according to ASTM B117 standards.

Why Choose Our Electro Galvanized Steel Coil Manufacturing

Our ISO 9001:2015 certified production facility operates six electroplating lines with annual capacity of 800,000 metric tons, maintaining zinc coating uniformity within ±5% across coil width. We utilize inline thickness gauges with 0.1-micron resolution and automated surface inspection systems detecting defects as small as 0.3mm diameter. Mill-direct pricing structure eliminates intermediary markups while maintaining IATF 16949 automotive quality standards, supported by full material traceability and third-party test certification for every production lot.

Frequently Asked Questions

What is the minimum order quantity (MOQ)?

Standard MOQ stands at 25 metric tons per specification for stock dimensions, with flexibility for 10-ton trial orders on commonly produced grades. Custom width or coating weight specifications require 50-ton minimum to justify slitting line setup and electroplating parameter adjustments.

Do you provide material test certificates?

We supply EN 10204 Type 3.1 mill test certificates with every shipment, documenting chemical composition per ASTM E415 optical emission spectrometry, mechanical properties per ASTM E8 tensile testing, and coating weight verification through ASTM A90 triple-spot test methodology. Additional third-party certification available upon request.

Electro galvanized steel coil manufacturer supplier

What is the typical delivery time?

Stock specifications ship within 7-10 working days ex-works, while custom orders require 25-30 days including substrate procurement, electroplating processing, and quality inspection protocols. Express production available for urgent requirements with 15-day lead time at premium pricing.

Can you cut to custom sizes?

Our precision slitting capabilities accommodate widths from 20mm to 1,850mm with tolerance of ±0.5mm, while cut-to-length processing handles sheets from 500mm to 6,000mm length. Blanking services available for complex shapes using CNC cutting equipment maintaining dimensional accuracy within ±0.3mm across all edges.

Electro galvanized steel coil manufacturer wholesale

Get a Competitive Quote for Electro Galvanized Steel Coil

Request factory-direct pricing on electro galvanized steel coil with detailed specifications including substrate grade, coating weight designation, dimensions, and annual volume requirements. Our technical sales team responds within 12 hours with comprehensive quotations covering material costs, processing fees, packaging options, and FOB/CIF delivery terms. Contact us today to discuss your specific application needs and receive free sample materials for qualification testing in your production environment.

Electro galvanized steel coil manufacturer China

Ratings & Reviews

5.0

Very satisfied

Based on 8 reviews for verified purchases

Supplier service

5.0

On-time shipment

5.0

Supplier service

5.0

Chris Martin

Canada

verified purchases

2025-09-09

Perfect Solution for Small Batch Custom Widths
Needed 12 tons of specialized widths (280mm, 350mm, 520mm) at 0.65mm thickness with Z50 coating for custom fabrication project. Supplier accommodated our non-standard requirements at reasonable 50-ton MOQ equivalent pricing. Slitting precision was excellent at ±0.3mm tolerance across all three widths. Coating uniformity maintained even on narrow strips. Delivery completed in 27 days including custom processing time. Technical sales team provided helpful recommendations on substrate grade selection for our forming requirements. Ideal partner for custom specification orders.

Carlos Silva

Brazil

verified purchases

2025-09-27

Acceptable Quality After Initial Documentation Issue
Ordered 25 tons of 0.75mm EG steel with Z90 coating for electrical enclosure manufacturing. Initial shipment arrived without proper mill test certificates, causing 5-day production delay. Supplier expedited correct EN 10204 3.1 documentation within 48 hours and offered 3% credit for inconvenience. Material quality itself was satisfactory with coating weight at 92 g/m² and surface finish suitable for powder coating. Mechanical properties tested in our lab confirmed 420 MPa yield strength as specified. Issue resolved professionally, but documentation accuracy needs improvement.

Ahmed Al-Hassan

UAE

verified purchases

2025-10-15

Solid Performance for Steel Framing Project
Purchased 30 tons of 0.9mm electro galvanized coil for light steel framing system in Dubai project. Z80 coating provided adequate corrosion protection for interior applications. Material certificates documented all mechanical properties meeting ASTM A879 requirements. Delivery took 32 days to Jebel Ali port, slightly longer than quoted 28 days. Slitting accuracy to 150mm width was acceptable at ±0.6mm tolerance. Pricing competitive compared to 4 other suppliers we evaluated. Would order again for similar non-critical applications.

William Taylor

Australia

verified purchases

2025-11-02

Premium Surface Quality for Roll-Forming Operations
Sourced 18 tons of 1.0mm EG coil with Z70 coating for marine container roll-forming. Surface finish was exceptional with no visible pitting or zinc nodules under 10x magnification. Material processed through our roll-forming line at 25 meters/minute without any coating flaking. Thickness tolerance measured ±0.015mm across 1500mm width, tighter than our ±0.02mm specification. Chromate treatment provided excellent corrosion resistance for coastal environment exposure. Technical data package included coating adhesion test results per ASTM D3359.

Wei Chen

Singapore

verified purchases

2025-11-19

Reliable Supply Partner for Appliance Industry
Third order of Z60 coated steel, this time 40 tons at 0.7mm thickness for refrigerator cabinet production. Consistent quality across all three orders with coating uniformity within ±4%. IATF 16949 certification and full traceability documentation satisfy our appliance manufacturer clients. Cut-to-length service provided sheets from 800mm to 2400mm with ±0.4mm tolerance. FOB pricing structure is transparent. Delivery schedule maintained at 10-12 days for stock specifications. Established reliable partnership for ongoing supply needs.

Hans Mueller

Germany

verified purchases

2025-12-08

Good Value Z100 Coils for Construction Equipment
Ordered 22 tons of 1.2mm electro galvanized steel with Z100 coating for equipment enclosures. Material quality met EN 10152 standards with proper coating thickness verified by triple-spot testing. Price was 8% lower than European suppliers we compared. Minor issue with coil edge quality on 2 coils, but supplier provided immediate replacement. Delivery took 28 days to Hamburg port. Would prefer tighter edge trimming tolerances, but overall solid value for construction-grade applications.

Michael Johnson

United States

verified purchases

2025-12-23

Outstanding Technical Support for HVAC Application
Purchased 35 tons of 0.6mm EG coil with Z50 coating for air conditioning cabinet manufacturing. Their technical team recommended chromate passivation treatment that achieved 120-hour salt spray test, exceeding our 96-hour requirement per ASTM B117. Material exhibited 380 MPa yield strength, perfect for our deep-drawing process. Inline inspection reports showed zero surface defects over 0.3mm. Lead time was 26 days including custom slitting to 450mm width. Responsive engineering support throughout order process.

James Wilson

United Kingdom

verified purchases

2026-01-07

Excellent Coating Uniformity for Automotive Stamping
Ordered 28 tons of Z80 electro galvanized coil (0.8mm thickness, 1250mm width) for automotive door panel production. Coating weight measured 82 g/m² with ±3% uniformity across full width, exceeding our specification. Surface roughness Ra 0.9μm provided perfect paint adhesion in our e-coat line. EN 10204 3.1 certificates confirmed ASTM A879 Grade A compliance. Delivered in 9 days to our UK facility. Zero stamping defects in first 5,000 parts. This supplier understands automotive quality requirements.