DC52D+ZM Zinc Aluminum Magnesium Steel Coil

GNEE STEEL offers EN10346 standard DC52D+ZM zinc aluminum magnesium steel coil. Featuring ultra-high formability and deep drawing performance, this ZAM coil is ideal for home appliances, automotive parts, and complex stamping components. Custom ZM coating weight & sizes available.

1. What Is DC52D+ZM Steel Coil?
DC52D+ZM is a deep drawing grade zinc-aluminum-magnesium (ZAM) coated steel coil manufactured per European standard EN 10346. Different from structural-grade S220GD+ZM, DC52D+ZM is optimized for complex stamping, deep drawing, and ultra-fine bending processes.

It adopts premium cold-rolled low-carbon steel substrate, paired with high-purity Zn-Al-Mg ternary alloy coating. It perfectly balances excellent corrosion resistance and superior plastic forming performance, solving the common pain points of traditional galvanized steel such as coating cracking, peeling, and edge rust during deep processing.

As a professional ZAM steel exporter, GNEE STEEL provides bulk supply and customized processing of DC52D+ZM steel coils for global clients, covering Southeast Asia, Europe, the Middle East, Australia and other markets.

Grade Naming Explanation
- DC52D: Premium deep drawing cold-rolled substrate, with ultra-low carbon composition, outstanding ductility and uniform forming performance
- +ZM: Hot-dip zinc-aluminum-magnesium alloy coating (Zn+Al+Mg), with self-healing anti-corrosion function

2. Core Technical Parameters of DC52D+ZM ZAM Coil

All parameters strictly comply with EN 10346 standards, with stable mechanical properties and consistent coating quality, fully suitable for high-precision deep processing.

Dimensional & Coating Specifications

- Thickness: 0.3mm – 3.0mm
- Width: 580mm, 1000mm, 1200mm, 1250mm, 1500mm (custom slitting available)
- ZM Coating Weight: ZM90, ZM120, ZM180, ZM275 (double-sided)
- Coating Composition: 93.5% Zinc + 3.5% Aluminum + 3% Magnesium + trace silicon
- Surface Treatment: Anti-fingerprint passivation, chromate-free passivation, oiled/non-oiled optional
- Coil Weight: 3–10 tons (small coil customization supported)

3. DC52D+ZM VS S220GD+ZM: Key Grade Difference

Most global buyers confuse these two mainstream ZAM grades. The core difference lies in processing performance and application scenarios:

- S220GD+ZM (Structural Grade): Higher yield strength, focused on structural load-bearing parts, suitable for roll forming and simple bending (solar brackets, purlins, greenhouse frames)
- DC52D+ZM (Deep Drawing Grade): Higher elongation and better ductility, low yield ratio, exclusively for complex stamping and deep drawing parts with strict surface requirements
Industry Selection Rule: Choose DC52D+ZM if your products require stretching, indentation, deep cavity forming; choose S220GD+ZM for load-bearing structural profiles.

4.Main Application Industries of DC52D+ZM ZAM Coil

DC52D+ZM is the most popular stamping-grade zinc-aluminum-magnesium steel, widely used in industries with high requirements for forming and surface quality:

4.1 Home Appliance Industry (Core Application)
Washing machine shells and inner liners, refrigerator back panels and side plates, air conditioner outer casings and ventilation parts, microwave oven shells, and water heater accessories. The anti-fingerprint surface maintains long-term neat appearance of home appliances.

4.2 Automotive Precision Parts
Automobile bottom guard plates, exhaust heat shields, door inner plates, wiring harness brackets, and interior stamping parts. It meets the auto industry’s strict standards for material forming stability and anti-corrosion performance.

4.3 Electrical & Communication Equipment
Outdoor electrical cabinet shells, distribution box panels, cable tray accessories, and communication equipment casings. It adapts to long-term indoor and outdoor humid working environments.

4.4 Light Industrial & Decorative Materials
Metal ceiling panels, perforated decorative plates, advertising metal frames, and precision stamped hardware accessories. The smooth surface ensures high-grade decorative effect.

4.5 Agricultural & Livestock Equipment
Ventilation equipment for livestock farms, small greenhouse accessory parts, and agricultural machinery shells. It resists ammonia corrosion and humid farm environments effectively.



5.Why Choose GNEE STEEL DC52D+ZM Steel Coil?

5.1 Graded Professional ZAM Product System
We have clear grade classification for ZAM coils: DC51D+ZM for general forming, DC52D+ZM for deep drawing, and S220GD/S350GD+ZM for structural use. We can accurately match materials according to customers’ processing technology to avoid material waste or performance mismatch.

5.2 Strict Precision Quality Control
Each batch of DC52D+ZM coils undergoes professional tests including coating weight detection, tensile mechanical test, salt spray test and surface flaw detection. We provide complete MTC mill test certificates, ISO qualification documents and third-party inspection reports to support smooth customs clearance.

5.3 Stable Stock & Fast Customization
Standard sizes of DC52D+ZM are in sufficient stock, supporting small-batch trial orders. We can customize special thickness, width and ultra-low spangle/anti-fingerprint surfaces according to customer drawings, with short production lead time.

5.4 Professional Export Packaging & Logistics
Adopt standard seaworthy export packaging with waterproof paper, plastic film and metal strapping fixation to prevent rust, scratch and deformation during long-distance sea transportation. We have rich shipping experience for global ports and can provide one-stop logistics solutions.