DX54D Cold Rolled Galvanized / Galvanised Steel Coils for PPGI
DX54D Cold Rolled Galvanized Steel Coil is a cold‑rolled grade with outstanding forming performance, produced via the continuous hot‑dip galvanizing process. Manufactured to EN 10346 specifications, this material is well‑suited for complex forming and deep‑drawing work.
Thanks to its superior formability, consistent zinc coating, smooth surface finish and solid anti‑corrosion properties, DX54D is frequently used as the base substrate for PPGI. It also sees extensive use across automotive, building, home appliance, HVAC and general metal‑fabrication industries.
| Item | DX54D Galvanized Steel Coil |
| Product Type | Hot-Dip Galvanized Steel Coil |
| Steel Grade | DX54D |
| Standard | EN 10346 |
| Substrate | Cold-Rolled Steel |
| Coating | Zinc (Zn) |
| Thickness | 0.30–3.00 mm |
| Width | 600–1,500 mm |
| Zinc Coating | Z60–Z350 g/m² |
| Surface | Regular Spangle / Zero Spangle |
| Surface Treatment | Passivated / Oiled / Skin-Passed |
| Coil ID | 508 mm / 610 mm |
| Coil Weight | Customized |
| Edge | Mill Edge / Slit Edge |
| Application | PPGI, Roofing, Automotive, Appliances, HVAC |
DX54D stands out as an ideal option for scenarios that demand superior deep drawing and bending forming capabilities.
| Performance Property | Technical Specifications |
| Yield Strength | 120–220 MPa (typical range) |
| Tensile Strength | 260–350 MPa (typical range) |
| Elongation | High ductility, optimized for various forming processes |
| Formability | Outstanding comprehensive forming performance |
| Surface Quality | Uniform and smooth surface, perfect for subsequent coating and deep processing |
The actual mechanical parameters vary based on steel coil thickness and production conditions, and fully comply with EN 10346 industry standards. All final official data shall be subject to the issued Mill Test Certificate (MTC).
| Grade | Key Features | Typical Uses |
| DX51D | General‑purpose forming | Roofing sheets, wall panels, general metal fabrication |
| DX52D | Enhanced forming capacity | Fabricated building components |
| DX53D | Deep‑draw capability | Moderately complex forming work |
| DX54D | Superior deep‑drawing & formability | PPGI substrates, automotive parts, intricately shaped components |
| S280GD | Good structural strength | Building and structural assemblies |
| S320GD | Elevated structural strength | Purlins, framing and load‑bearing structures |
DX54D is the go‑to option for projects prioritizing forming performance over high structural strength.
Royal Steel Group can supply DX54D galvanized coils with different surface and finishing options:
Regular Spangle
Zero Spangle
Skin-Passed
Passivated
Oiled
Non-Oiled
Mill Edge
Slit Edge
Surface treatment can be selected according to whether the coil will be used directly or further processed into PPGI, roofing sheets, or fabricated components.
Common zinc coating levels include:
Z60 / Z80 / Z100 / Z120 / Z140 / Z180 / Z200 / Z275 / Z350 g/m²
Higher zinc coating mass generally provides greater corrosion protection, while the appropriate coating should be selected based on the service environment and forming requirements.
Superior Forming Performance
As a professional deep-drawing grade steel, DX54D is engineered for complex secondary processing. It supports various shaping processes including stamping, bending and curving, effectively avoiding cracking and deformation during production.
Premium Base Material for PPGI Production
Featuring an even, smooth and defect-free galvanized surface, DX54D serves as an ideal substrate for spraying and organic coating treatment. It ensures strong paint adhesion and stable coating effects, which makes it the preferred material for PPGI manufacturing.
Stable Anti-Corrosion Performance
The outer zinc layer offers effective sacrificial protection for the base steel. It greatly slows down oxidation and rusting, extending the service life of steel parts used in construction and various industrial environments.
Uniform and Stable Surface Finish
Adopting precise continuous hot-dip galvanizing technology, the product boasts consistent zinc coating thickness and smooth surface texture. It adapts well to subsequent roll forming, stamping, painting and all kinds of custom fabrication processes.
Customizable Zinc Coating Solutions
We provide diversified zinc coating weight options. Clients can choose the most suitable specification based on actual working conditions, anti-corrosion standards and end-use application requirements to achieve the best cost-performance.
Building Roofing & Wall Cladding
Widely processed into color-coated roof panels, exterior wall cladding and facade siding, serving various commercial and residential building decoration projects.
Automotive Parts
Thanks to its superior ductility and forming performance, this grade is commonly used for automotive outer body parts and structural components that require reliable galvanized anti-corrosion protection.
Household Appliances
It is extensively adopted for manufacturing appliance casings, surface panels, internal cabinets and various stamped formed parts for home electronic equipment.
HVAC Industry
DX54D coils are ideal for fabricating ventilation ducts, air system accessories and protective equipment housings for HVAC systems.
General Industrial Fabrication
Suited for producing all types of stamped, bent and molded parts, equipment enclosures and custom metal components, where both reliable corrosion resistance and excellent formability are essential.
Each DX54D galvanized steel coil can be inspected according to the agreed purchase specification. Quality control may include:
Chemical composition inspection
Tensile and yield strength testing
Elongation testing
Zinc coating mass testing
Thickness and width inspection
Surface quality inspection
Coating adhesion inspection
Coil weight verification
Dimensional tolerance inspection
Inspection documents such as Mill Test Certificate (MTC) and third-party inspection reports can be provided when required.
To protect galvanized coils during long-distance transportation, standard export packaging can include:
Waterproof paper
Protective galvanized steel sheet
Steel strapping
Reinforced coil protection
Export-grade pallet or eye-to-wall / eye-to-sky packing
Container or bulk shipment options
Packaging can be customized according to the destination port, transportation method, and buyer's requirements.
Royal Steel Group provides DX54D cold‑rolled hot‑dip galvanized coils to PPGI producers, construction firms, steel fabricators and overseas distributors worldwide.
Our core strengths:
Products manufactured in compliance with EN 10346 standards
Wide selection of zinc coating weights
Outstanding deep‑drawing forming properties
Consistent, reliable surface finish
Adjustable thickness and width dimensions
Customisable coil weight and export‑ready packaging
Mill Test Certificates and inspection documentation provided upon request
Rich experience serving global export projects
Support for both containerised and bulk shipment
Dedicated pre‑sales and after‑sales technical support
1. Is DX54D suitable for PPGI manufacturing?
Absolutely. DX54D features exceptional formability paired with a smooth, uniform galvanized surface. These stable physical properties make it an ideal base material for PPGI production, especially for products that require rigorous forming and bending processing.
2. What are the key differences between DX51D and DX54D?
DX51D is a standard general-purpose grade for basic forming work. In contrast, DX54D delivers far superior deep-drawing and bending performance, capable of handling more intricate and complex shaping processes. Buyers can select the right grade based on the processing difficulty of their end products.
3. Can DX54D galvanized coils be color-coated?
Yes. The clean and consistent surface of DX54D supports complete post-treatment procedures including surface cleaning, chemical pretreatment, primer coating and topcoat finishing, which allows it to be fully processed into qualified PPGI products.
4. Do you offer customized zinc coating weights?
Custom zinc coating specifications are fully available. We can provide common grades such as Z100, Z120, Z180 and Z275, and also support tailored coating thicknesses based on clients’ actual project and anti-corrosion needs.
5. What details are required to get an accurate quote?
To prepare a precise and formal quotation, please kindly provide specific parameters including steel grade, thickness, width, zinc coating weight, single coil weight, order quantity, destination port and preferred trade terms (FOB/CFR/CIF).
