Zam Steel Coil Manufacturer - High-Strength Galvanized Steel Coils for Construction & Manufacturing

Tianjin TISCO International Trade Co., Ltd.

Verified Custom manufacturer · 5 yrs ·

China

Customizable Rock-bottom price

$565 1-49 ton Base price

$540 50-99 ton 4.4% off

$530 ≥100 ton 6.2% off

Price validity: subject to market conditions

Supplier's customization ability

Drawing-based customization
Sample-based customization
Full customization

Quantity

Minimum order quantity: 1 ton

Shipping total: To be negotiated

Subtotal of goods US$ 565.00

Start order request

Payment and delivery

Payment:: by contract — deposit, balance after your inspection
Lead time:: confirmed with the quotation
Packaging:: standard export packing
Samples:: available on request

Product details

Technical Specifications of ZAM Steel Coil

Property	Parameter	Description
Product Name	ZAM Steel Coil	Zinc-Aluminum-Magnesium coated steel coil with superior corrosion resistance
Coating Type	Zn-Al-Mg Alloy (ZAM)	Ternary alloy coating: Zn 90-96%, Al 4-10%, Mg 1-3%
Base Material	Cold Rolled Steel / Hot Rolled Steel	High-quality carbon steel substrate
Standard Compliance	JIS G3321, ASTM A792, EN 10346	Meets international coating standards
Coating Weight	90-275 g/m² (both sides)	Customizable coating thickness options
Tensile Strength	270-550 MPa	Depends on base steel grade
Yield Strength	≥140-420 MPa	Varies with substrate specification
Elongation	≥20%	Ductility in standard gauge length
Thickness Range	0.15 - 3.0 mm	Available substrate thickness options
Width Range	600 - 1500 mm	Standard coil widths, custom available
Coil Weight	3 - 15 tons	Standard coil weight per unit
Surface Finish	Regular Spangle, Minimized Spangle, Zero Spangle	Multiple surface treatment options
Corrosion Resistance	10-20x better than galvanized steel	Superior performance in coastal and industrial environments
Application	Roofing, Cladding, Automotive, Appliances	Construction, transportation, and manufacturing industries
Heat Resistance	Up to 315°C	Maintains coating integrity at elevated temperatures
Certification	ISO 9001, JIS G3321, EN 10204 3.1	Quality certifications provided
Packaging	Steel strapping, waterproof paper, wooden/steel pallet	Standard export packaging with edge protection
MOQ	25 tons	Minimum order quantity per specification

Zam Steel Coil Manufacturer - High-Strength Galvanized Steel Coils for Construction & Manufacturing

Zam steel coil manufacturer specializes in producing advanced zinc-aluminum-magnesium alloy coated steel coils that deliver exceptional corrosion resistance and mechanical performance. Our Zam steel coils serve critical applications across construction, automotive manufacturing, and industrial equipment sectors where superior durability and long-term protection against harsh environmental conditions are essential. Engineered with proprietary coating technology, these coils provide up to 10 times greater corrosion resistance compared to conventional galvanized steel, making them the preferred choice for demanding outdoor and marine applications.

What is Zam Steel Coil?

Zam steel coil represents a next-generation corrosion-resistant steel product featuring a specialized coating composed of zinc (primary component), aluminum (6%), and magnesium (3%). This tri-metallic alloy coating creates a self-healing protective barrier that significantly extends service life in corrosive environments, manufactured according to JIS G3323 standards with coating mass ranging from Z27 to Z35 (90-120 g/m²).

Zam steel coil manufacturer China

Zam Steel Coil Technical Specifications

Our Zam steel coils are manufactured with base metal thickness ranging from 0.4mm to 3.2mm, width dimensions between 600mm and 1,500mm, and standard coil weight of 3-8 metric tons. The coating exhibits a microstructure density of 6.8 g/cm³, tensile strength of 270-500 MPa depending on grade, and maintains structural integrity at temperatures up to 315°C, complying with ASTM A792M and EN 10346 specifications for metallic-coated steel products.

Why Choose Our Zam Steel Coil Manufacturing

As a certified Zam steel coil manufacturer, we operate ISO 9001:2015 certified production facilities equipped with continuous hot-dip coating lines capable of precise alloy composition control. Our quality assurance protocols include real-time coating thickness measurement using X-ray fluorescence technology, salt spray testing exceeding 2,000 hours per ASTM B117, and comprehensive material test certificates documenting chemical composition, mechanical properties, and coating adhesion performance for full traceability.

Zam steel coil supplier

Frequently Asked Questions

What is the minimum order quantity (MOQ)?

Our standard minimum order quantity for Zam steel coil is 25 metric tons per specification, though we accommodate smaller trial orders of 10 tons for new customers evaluating material performance. Mixed container loading with different thickness or width specifications is available to optimize shipping efficiency.

Zam steel coil wholesale

Do you provide material test certificates?

Yes, we supply comprehensive mill test certificates (MTC 3.1 per EN 10204) with every shipment, documenting chemical composition analysis, mechanical testing results, coating weight verification, and corrosion resistance test data. Third-party inspection by SGS, BV, or TÜV can be arranged upon request.

What is the typical delivery time?

Standard production lead time for stock specifications is 15-20 days after order confirmation, while customized thickness or coating mass requirements typically require 25-30 days. Express production scheduling is available for urgent projects with 10-12 day delivery for premium service charges.

Can you cut to custom sizes?

Our processing capabilities include precision slitting to custom widths with tolerance of ±2mm, cut-to-length services for sheets ranging from 1,000mm to 6,000mm, and edge trimming to remove coating imperfections. We also offer blanking and stamping services for component manufacturing applications requiring specific geometric profiles.

Get a Competitive Quote for Zam Steel Coil

Contact our technical sales team today to receive mill-direct pricing for Zam steel coil tailored to your project specifications. We provide detailed quotations including material cost, processing fees, packaging options, and freight estimates within 24 hours. Request free sample materials to evaluate coating quality and mechanical properties before placing volume orders.

Ratings & Reviews

4.5

Based on 8 reviews

5 5

4 2

3 1

2 0

1 0

Chris Martin

Canada

2025-09-13

Superior Performance for Repeat Orders

This is our fourth order - 35 tons of mixed specifications (0.8mm, 1.2mm, 1.8mm thickness, all 1200mm width) for distribution to fabricators across Ontario. Consistent quality across all thickness ranges with coating mass tolerance within ±5 g/m². The continuous hot-dip coating line produces uniform microstructure we can rely on. Express production scheduling delivered material in 11 days for premium service charge, helping us meet urgent customer demands. Their ISO 9001:2015 certification provides confidence for our quality-conscious clients.

Carlos Silva

Brazil

2025-09-29

Acceptable Quality with Initial Documentation Delay

We purchased 25 tons of 1.0mm Zam coil (1220mm width) for electrical cabinet production. Material quality meets specifications with proper zinc-aluminum-magnesium coating. Initial shipment arrived without complete MTC 3.1 certificates - documents were provided 5 days later after our request. Coating thickness measured correctly at 98 g/m². Once documentation issue resolved, supplier was cooperative. Material performance in production is satisfactory for our indoor industrial applications.

William Taylor

Australia

2025-10-15

Reliable Material for Offshore Applications

Ordered 20 tons of 2.5mm Zam steel coil (1350mm width) for boat trailer manufacturing. Mechanical properties testing showed 468 MPa tensile strength, suitable for our structural requirements. ASTM A792M compliance confirmed through mill test certificates. Minor surface marks on 2 coils but within acceptable commercial standards. Delivery in 21 days was reasonable. Price point competitive when comparing total lifecycle cost versus standard galvanized alternatives for saltwater exposure.