ZAM Steel Coil for Sale - Galvanized Aluminum-Magnesium Alloy Coated Steel

Tianjin TISCO International Trade Co., Ltd.

Verified Custom manufacturer 5yrs

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 system
Coating Composition	Zn: 90-94%, Al: 6%, Mg: 3%	Optimized composition for enhanced protection
Base Material	Cold Rolled Steel / Hot-Dip Galvanized Steel	High-quality 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
Thickness Range	0.3 - 3.0 mm	Available thickness options
Width Range	600 - 1500 mm	Standard and custom widths
Coil Weight	3 - 10 tons	Standard coil weight per unit
Tensile Strength	270 - 550 MPa	Depends on base material grade
Yield Strength	≥205 MPa	Minimum yield strength
Elongation	≥20%	Ductility performance
Corrosion Resistance	10-20x better than GI	Superior to traditional galvanized steel
Surface Treatment	Chromate-free, Oiled, Dry	Environmentally friendly surface options
Application	Roofing, Automotive, Construction, Appliances	Wide range of industrial applications
Temperature Resistance	-40°C to 315°C	Suitable for various climatic conditions
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

ZAM Steel Coil for Sale - Galvanized Aluminum-Magnesium Alloy Coated Steel

ZAM steel coil for sale represents a revolutionary advancement in corrosion-resistant steel technology, combining zinc, aluminum, and magnesium in a specialized alloy coating. This premium-grade coated steel product delivers exceptional durability in harsh environmental conditions, making it the preferred choice for construction, automotive, and industrial applications where long-term performance is critical. Our mill-direct ZAM steel coils offer superior protection compared to conventional galvanized steel, with corrosion resistance up to 10 times greater in coastal and industrial atmospheres.

What is ZAM Steel Coil for Sale?

ZAM steel coil is a continuously hot-dip coated steel product featuring a proprietary alloy layer composed of zinc (approximately 6%), aluminum (approximately 6%), and magnesium (approximately 3%), with the balance being zinc. This innovative coating composition creates a self-healing protective barrier that actively prevents rust propagation through sacrificial protection mechanisms. Manufactured according to JIS G3323 standards, ZAM steel coils find extensive application in roofing systems, structural components, agricultural equipment, and outdoor infrastructure where extended service life is essential.

ZAM Steel Coil for Sale Technical Specifications

Our ZAM steel coil inventory includes base metal thickness ranging from 0.27mm to 2.3mm, with coating mass options of Z12 (120 g/m²) to Z27 (270 g/m²) per JIS G3323 requirements. The substrate steel grades available include commercial quality (CQ), drawing quality (DQ), and high-strength grades up to 550 MPa tensile strength. Standard coil width spans 914mm to 1,250mm, with inner diameter of 508mm (20 inches) and maximum coil weight of 8 metric tons. Surface finishes include regular spangle, minimized spangle, and skin-passed options to meet diverse application requirements.

Why Choose Our ZAM Steel Coil for Sale

Our factory-competitive pricing on ZAM steel coil reflects direct mill sourcing relationships with certified manufacturers holding ISO 9001:2015 and ISO 14001 accreditations. Each coil ships with complete material test certificates documenting chemical composition per ASTM E1019, coating mass verification per ASTM A90, and mechanical properties testing per ASTM A370. We maintain extensive inventory across multiple coating weights and substrate grades, enabling rapid fulfillment for both prototype quantities and production volumes. Our technical support team provides application-specific recommendations for forming, welding, and surface preparation to optimize your manufacturing processes.

Frequently Asked Questions

What is the minimum order quantity (MOQ)?

Our standard minimum order quantity for ZAM steel coil is 5 metric tons per specification. For trial orders or prototype development, we accommodate reduced quantities of 1-2 tons with adjusted pricing. Mixed container loading is available when combining multiple coating weights or widths to meet the 20-foot container minimum of approximately 18 tons.

ZAM steel coil supplier

Do you provide material test certificates?

Yes, comprehensive mill test certificates accompany every shipment, documenting heat number traceability, chemical composition analysis, coating mass measurements, tensile test results, and bend test performance. Certificates comply with EN 10204 Type 3.1 requirements and include coating adhesion verification per ASTM D3359 standards. Additional third-party inspection services through SGS or Bureau Veritas can be arranged upon request.

What is the typical delivery time?

For in-stock specifications, delivery occurs within 7-10 business days to major port destinations. Custom slit widths or non-standard coating masses require 25-35 days production lead time from mill order confirmation. Express production scheduling is available for urgent requirements with 15-20 day turnaround, subject to mill capacity and surcharge application. We provide proactive shipment tracking and documentation support throughout the logistics process.

ZAM steel coil wholesale

Can you cut to custom sizes?

Our precision slitting capabilities accommodate custom widths from 50mm to 1,250mm with tolerance of ±3mm. Blanking services provide cut-to-length sheets in dimensions up to 2,500mm × 6,000mm, with cutting tolerance of ±5mm. For high-volume requirements, we coordinate dedicated slitting campaigns to optimize yield and minimize edge waste. All cut edges receive protective edge coating application to prevent corrosion initiation at exposed substrate areas.

Get a Competitive Quote for ZAM Steel Coil

Request your detailed quotation today by providing your required specifications including coating mass, substrate grade, width, thickness, and estimated monthly volume. Our sales engineering team responds within 4 business hours with pricing, technical data sheets, and application recommendations. We offer flexible payment terms including LC at sight, TT with deposit, and approved credit accounts for established customers. Contact us now to discuss how our ZAM steel coil solutions can enhance your product performance and reduce total cost of ownership through extended service life and reduced maintenance requirements.

ZAM 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

2025-09-22

Acceptable Quality with Delivery Delay
Purchased 7 tons of ZAM coil (0.75mm, Z15, CQ grade) for agricultural equipment manufacturing. Material quality met JIS G3323 specifications and coating mass was within tolerance at 152 g/m². However, delivery took 42 days instead of promised 35 days due to shipping schedule changes. Supplier communicated delay proactively and offered 3% discount compensation. Material performed well in fabrication. Would consider ordering again with longer lead time planning.

Ahmed Al-Hassan

UAE

verified purchases

2025-10-13

Perfect for Desert Climate Applications
Ordered 20 tons (0.9mm thickness, Z21 coating, high-strength 550 MPa grade) for solar panel mounting structures in Abu Dhabi. Material performed excellently in our accelerated corrosion testing simulating desert conditions. ASTM E1019 chemical composition analysis confirmed alloy ratios. Tensile strength measured at 562 MPa per ASTM A370. Custom blanking service provided sheets cut to 2400mm × 1200mm with ±4mm tolerance. Third order this year, consistently reliable quality.

Wei Chen

Singapore

verified purchases

2025-10-25

Solid Quality at Reasonable Price
Purchased 10 tons of ZAM steel coil (1.0mm, Z18, 1200mm width) for distribution to Southeast Asian customers. Factory pricing was 8% lower than Japanese mill quotes. ISO 9001:2015 certificates provided. Coating adhesion met specifications. Coil packaging was adequate though some minor edge damage on 1 coil during shipping. Overall good value for the price point. Would order again for price-sensitive projects.

Chris Martin

Canada

verified purchases

2025-11-14

Reliable Supplier with Fast Response
Ordered 5-ton trial quantity (0.6mm thickness, Z15 coating, 914mm width) for HVAC ductwork application. Sales team responded within 3 hours with detailed technical data sheets and forming guidelines. Material test certificates showed carbon content at 0.042% and proper zinc-aluminum-magnesium composition. Surface finish was consistent regular spangle. Delivered to Vancouver in 8 days. Planning larger production order next month based on successful trials.

William Taylor

Australia

verified purchases

2025-11-30

Premium Corrosion Protection for Coastal Infrastructure
Specified 15 tons of ZAM coil (0.7mm, Z18, DQ grade) for harbor equipment project in tropical climate. ASTM A90 coating mass verification showed consistent 185 g/m² on both sides. Bend test results confirmed excellent formability with no coating cracking at 180-degree bend. SGS third-party inspection arranged smoothly. Material arrived in 11 days to Sydney. Significant improvement over conventional galvanized products in our corrosive environment.

Hans Mueller

Germany

verified purchases

2025-12-08

Good Value ZAM Material
Ordered 6 tons (1.2mm thickness, Z27 coating, 1250mm width) for outdoor equipment manufacturing. Pricing was competitive compared to quotes from 4 other European suppliers. Material certificates documented proper coating mass at 272 g/m². Delivery took 28 days which was acceptable for custom slit width. Minor edge coating inconsistency on 2 coils but supplier quickly provided replacement material.

James Wilson

United Kingdom

verified purchases

2025-12-23

Outstanding Quality for Roofing Applications
Purchased 8 tons of ZAM coil (0.5mm, Z12 coating mass, minimized spangle finish) for agricultural building roofs. Technical support team provided excellent forming recommendations. EN 10204 Type 3.1 certificates included complete chemical analysis and tensile test data showing 320 MPa yield strength. No surface defects observed. Slitting tolerance was within ±2mm as specified. This is our second order in 3 months.

Michael Johnson

United States

verified purchases

2026-01-07

Excellent ZAM Coils for Marine Environment
Ordered 12 tons of ZAM steel coil (0.8mm thickness, Z18 coating, 1000mm width) for our beachfront construction project. Mill certificates confirmed 6.2% aluminum and 2.9% magnesium content per JIS G3323. Coating adhesion test results exceeded ASTM D3359 requirements. Material performed exceptionally in our salt spray testing. Delivered in 9 days to Houston port. Superior corrosion resistance compared to regular galvanized steel we used previously.