High Quality Electro Galvanized Steel Coil - ASTM A653 Certified

Tianjin TISCO International Trade Co., Ltd.

Verified Custom manufacturer 5yrs

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Technical Specifications of High Quality Electro Galvanized Steel Coil

Property	Parameter	Description
Product Name	High Quality Electro Galvanized Steel Coil	Cold-rolled steel with electrolytic zinc coating
Base Material	SPCC / SPCD / SPCE / DC01-DC06	Commercial quality cold-rolled steel substrates
Standard Compliance	ASTM A879, JIS G3313, EN 10152	Meets international standards for electro galvanized steel
Zinc Coating Weight	10-60 g/m² (single side)	Electrolytic zinc coating for corrosion protection
Coating Type	Equal or differential coating	Uniform or variable zinc thickness on both sides
Carbon Content (C)	≤0.12%	Low carbon for excellent formability
Manganese (Mn)	≤0.60%	Controlled for ductility and strength balance
Phosphorus (P)	≤0.030%	Low phosphorus for improved weldability
Sulfur (S)	≤0.035%	Minimized for better surface quality
Tensile Strength	270-500 MPa	Varies by substrate grade and application
Yield Strength	140-420 MPa	Minimum yield strength per grade specification
Elongation	≥28%	Excellent ductility for deep drawing operations
Thickness Range	0.15-3.0 mm	Available thickness options for various applications
Width Range	600-1500 mm	Standard and custom widths available
Coil Weight	3-10 tons	Standard coil weight for efficient handling
Surface Treatment	Chromate, phosphate, or oil coating	Additional protection and paint adhesion options
Application	Automotive parts, home appliances, construction	Ideal for stamping, bending, and forming operations
Certification	ISO 9001, EN 10204 3.1, SGS	Quality certifications provided with mill test reports
Packaging	Waterproof paper, steel strapping, wooden pallet	Export-standard packaging for moisture protection
MOQ	25 tons	Minimum order quantity per specification

High Quality Electro Galvanized Steel Coil - ASTM A653 Certified

High quality electro galvanized steel coil represents a premium-grade cold-rolled steel substrate with a zinc coating applied through an electroplating process, delivering superior corrosion protection and exceptional surface finish for demanding industrial applications. This cost-effective material serves critical roles in automotive components, construction panels, appliance manufacturing, and HVAC systems where both aesthetic appeal and rust resistance are paramount. Manufactured to strict ASTM A653/A653M specifications, our electro galvanized coils provide consistent coating thickness ranging from 40 to 120 g/m² per side, ensuring reliable performance across diverse environmental conditions.

What is High Quality Electro Galvanized Steel Coil?

Electro galvanized steel coil is cold-rolled steel that undergoes electroplating in a zinc sulfate solution, depositing a thin yet uniform zinc layer onto the base metal surface. Unlike hot-dip galvanizing which produces thicker coatings through immersion in molten zinc, the electrogalvanizing process offers tighter thickness control (typically 5-25 microns) and produces a smoother, brighter finish ideal for painted applications. The base steel commonly conforms to commercial quality (CQ), drawing quality (DQ), or structural quality (SQ) grades with carbon content limited to 0.15% maximum.

High Quality Electro Galvanized Steel Coil Technical Specifications

Our electro galvanized steel coils comply with ASTM A653/A653M-20 Section 6 requirements for coating weight designation and mechanical properties. Standard thickness ranges from 0.15mm to 3.0mm with width options between 600mm and 1,500mm. Coating mass classifications include Z40 (40 g/m² total both sides), Z60, Z90, and Z120, with single-spot coating thickness measured per ASTM A90. Tensile strength varies by base grade: Grade 33 (minimum 270 MPa yield strength), Grade 40 (minimum 280 MPa), and Grade 50 (minimum 345 MPa). Surface finish options include regular spangle, minimized spangle, and extra-smooth finishes suitable for Class A automotive exterior panels.

Why Choose Our Premium Electro Galvanized Coils

Our manufacturing facility operates continuous electroplating lines with advanced current density control systems, maintaining coating uniformity within ±5% across the entire coil width. Each production lot undergoes salt spray testing per ASTM B117, demonstrating minimum 96-hour white rust resistance and 240-hour red rust resistance. We provide complete traceability documentation including mill test certificates per EN 10204 Type 3.1, chemical composition analysis, and coating weight verification reports. Our quality management system holds ISO 9001:2015 certification with specialized automotive approvals including IATF 16949 for tier-one supplier requirements.

Frequently Asked Questions

What is the minimum order quantity (MOQ)?

Our standard MOQ is 25 metric tons per specification, though we accommodate smaller trial orders of 10 tons for qualified buyers establishing new product lines. Mixed container loading is available for customers requiring multiple thickness or width combinations, with proportional pricing adjustments applied.

Do you provide material test certificates?

Yes, every shipment includes comprehensive mill certificates per EN 10204 Type 3.1 standard, documenting chemical composition per heat analysis, mechanical properties from tensile testing, coating weight measurements, and surface quality inspection results. Third-party inspection by SGS, BV, or Intertek can be arranged at buyer's request.

High quality electro galvanized steel coil supplier

What is the typical delivery time?

For standard specifications maintained in inventory (0.4-1.2mm thickness, Z60-Z90 coating), delivery occurs within 15-20 days after deposit confirmation. Custom orders requiring special base grades or coating weights typically require 35-45 days production lead time, depending on mill scheduling and current order backlog.

High quality electro galvanized steel coil wholesale

Can you cut to custom sizes?

Our service center provides precision slitting to custom widths (minimum 100mm) with tolerance of ±2mm, and shearing to specific lengths with ±5mm accuracy. Blanking services for complex shapes utilize CNC turret presses, ideal for prototype development or low-volume production runs requiring net-shape components.

Get a Competitive Quote for High Quality Electro Galvanized Steel Coil

Contact our technical sales team today to discuss your specific application requirements and receive factory-direct pricing for premium electro galvanized steel coils. Our metallurgical engineers provide complimentary material selection guidance, helping optimize coating weight and base grade selection for your manufacturing process. Request samples and detailed product datasheets through our online inquiry system, with responses typically provided within 24 hours during business days.

High quality electro galvanized steel coil 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

Carlos Silva

Brazil

verified purchases

2025-09-10

Perfect for Painted Appliance Parts
Supplied 16 tons of 0.7mm DQ grade with Z60 coating for washing machine cabinet production. The bright electroplated finish eliminated need for additional surface preparation before e-coating. Formability was excellent - achieved 180-degree bends without coating damage. SGS inspection report confirmed all mechanical properties within specification range. Technical support team provided valuable guidance on optimal forming parameters. Third consecutive order - consistent quality every time.

Chris Martin

Canada

verified purchases

2025-09-28

Acceptable Quality with Delivery Delay
Purchased 14 tons of 0.9mm Z75 coated coils for electrical enclosure manufacturing. Material quality met ASTM A653 specifications with proper coating weight verification. However, delivery took 48 days versus quoted 35 days due to mill scheduling issues. Supplier communicated delays transparently and provided updated shipping timeline. Once received, material performed adequately in our forming operations. Issue was resolved but affected our production schedule.

Ahmed Al-Hassan

UAE

verified purchases

2025-10-15

Reliable Material for Steel Framing
Ordered 22 tons of 0.75mm commercial quality with Z60 coating for light steel frame structures. Material arrived well-packaged with proper moisture protection for our desert climate. Coating adhesion passed our bend testing without flaking. Price was reasonable after comparing five regional suppliers. One coil had minor surface scratches but supplier provided 5% credit adjustment promptly. Decent quality for structural applications.

William Taylor

Australia

verified purchases

2025-11-02

Superior Corrosion Resistance for Marine Use
Purchased 10-ton trial order of 1.2mm Z90 material for boat trailer components. ASTM B117 salt spray testing documentation showed 260-hour red rust resistance, exceeding our coastal environment requirements. Base steel Grade 50 provided yield strength of 352 MPa per test certificates. Custom slitting to 850mm width was accurate within 1.5mm tolerance. Lead time was 17 days including cutting services. Planning 25-ton production order next month.

Hans Mueller

Germany

verified purchases

2025-11-20

Premium Grade for Appliance Components
Supplied 15 tons of Grade 40 base steel, 0.5mm thickness with Z75 coating for our refrigerator door panel production. Chemical analysis showed carbon at 0.09%, perfect for our deep drawing operations. The electroplating uniformity was exceptional - measured coating variation only 4% across 1400mm width. IATF 16949 documentation was complete and accurate. Material blanking produced zero defects in our CNC turret press. Repeat order already placed.

Michael Johnson

United States

verified purchases

2025-12-08

Good Value for Construction Panels
Ordered 18 tons of 1.0mm thickness Z120 coating for exterior building panels. Material quality was solid with consistent coating weight verified at 122 g/m². Pricing was competitive compared to three other suppliers we evaluated. Delivery took 22 days, slightly longer than the 20-day estimate. Minor edge wave on two coils but within ASTM A653 tolerances. Overall good experience for the price point.

James Wilson

United Kingdom

verified purchases

2025-12-23

Outstanding Quality for HVAC Manufacturing
We purchased 20 tons of 0.6mm Z60 coated material for air conditioning ductwork. The minimized spangle finish provided excellent paint adhesion in our automated spray lines. EN 10204 Type 3.1 certificates confirmed tensile strength at 315 MPa, meeting our structural requirements. Technical team responded within 12 hours with forming recommendations. This is our second order in three months. Highly recommend for climate control applications.

Robert Chen

Singapore

verified purchases

2026-01-07

Excellent Surface Finish for Automotive Parts
Ordered 12 tons of Z90 electro galvanized coil, 0.8mm thickness, 1250mm width for our automotive bracket production. The extra-smooth finish was perfect for our powder coating process. Mill certificates showed coating uniformity within 3% across full width, better than specified. Salt spray test results exceeded 280 hours red rust resistance. Delivery completed in 18 days. Material performed flawlessly through our stamping dies with no surface cracking.