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DX54D Steel: Definition, Performance, Application, Comparison
- John
With years of industry experience and strong technical support, SteelPRO Group is committed to providing customers with high-quality DX54D galvanized steel products to help all kinds of manufacturing companies achieve more efficient and reliable production. Next, we will introduce to you in detail the unique advantages, performance, application areas of DX54D galvanized steel, and why choosing SteelPRO Group can bring value to your procurement and production.
What is DX54D Steel?
DX54D is a hot-dip coated deep-drawing steel in the DX series, valued for high formability. Made of low-carbon steel, it’s ideal for cold forming. “DX” denotes the series, “54” the formability grade, and “D” the deep-drawing quality. Both DX54D and DX53D are automotive steels, but DX54D has higher formability, making it better for complex shapes. DX54D (equivalent to FeP06G, steel number 1.0952) is used in automotive panels and appliance housings, with corrosion resistance for outdoor or moist conditions.
Can DX54D Steel Be Used In High-Temperature Environments?
Yes, it performs best especially when treated with our DX54D+AS (aluminum silicon alloy) coating, which provides additional heat resistance, making it suitable for parts such as exhaust shields and high-temperature components.
Chemical Composition of DX54D Steel
| Element | Content (%) |
| Carbon, C | 0.08 max |
| Manganese, Mn | 0.45 max |
| Phosphorus, P | 0.03 max |
| Sulfur, S | 0.03 max |
| Silicon, Si | 0.50 max |
| Aluminum, Al | 0.02-0.07 |
| Nitrogen, N | 0.012 max |
| Titanium, Ti | 0.30 max |
| Chromium, Cr | 0.20 max |
| Nickel, Ni | 0.20 max |
| Copper, Cu | 0.20 max |
- Low Carbon (C): Ensures ductility and ease in deep drawing without compromising strength.
- Controlled Manganese (Mn): Enhances strength and toughness.
- Low Phosphorus (P) and Sulfur (S): Improves weldability and reduces brittleness.
- Aluminum (Al): Acts as a deoxidizer, improving surface quality.
- Titanium (Ti): Increases stability in forming, reducing cracks and defects during shaping.
This composition design makes DX54D steel not only easy to process, but also very suitable for complex applications that require high strength and high corrosion resistance. If you have similar needs, SteelPRO Group can provide high-quality DX54D steel to ensure that your production process is smooth and efficient.
Mechanical Properties of DX54D Steel
| Property | Metric | Imperial |
| Tensile Strength | 270 – 370 MPa | 39 – 54 ksi |
| Yield Strength | 120 – 220 MPa | 17 – 32 ksi |
| Brinell Hardness | 90 – 120 HB | 90 – 120 HB |
| Rockwell Hardness | 50 – 65 HRB | 50 – 65 HRB |
| Vickers Hardness | 100 – 130 HV | 100 – 130 HV |
| Elongation | ≥ 36% | ≥ 36% |
| Elastic Modulus | 210 GPa | 30,500 ksi |
| Anisotropy (R-Value, Min) | ≥ 1.6 | ≥ 1.6 |
| Strain Hardening Index (n-Value, Min) | ≥ 0.18 | ≥ 0.18 |
- Moderate Tensile and Yield Strength: Provides enough strength for durability without sacrificing formability, suitable for automotive and appliance parts.
- High Elongation: Allows significant stretching, enabling complex shapes without cracking.
- Good Anisotropy (R-Value): Ensures consistent properties in different directions, reducing defects in deep-drawn parts.
- Stable Strain Hardening Index (n-Value): Supports gradual deformation, which helps maintain structural integrity during shaping.
These properties make our DX54D steel ideal for applications that require precision forming and high reliability, helping you to efficiently produce high-quality products that meet your standards.
Production Processes of DX54D Steel
Throughout the entire production process, we strictly control every link to ensure that each batch of products meets the highest quality standards, ensuring the reliability and durability of our DX54D steel, so you can rest assured.
- Smelting process: First, we melt and refine the raw materials to ensure that the chemical composition of the molten steel meets the required quality standards.
- Hot rolling process: Next, the molten steel is cast into billets and hot rolled at a high temperature of about 1200°C. This step is mainly to reduce the thickness of the steel and improve its properties.
- Cold rolling process: After hot rolling, the steel is cold rolled to further reduce the thickness, while improving the surface finish and precision to ensure that the finished product is more accurate in size.
- Continuous annealing: To reduce the internal stress generated during the cold rolling process, we will heat the steel to 700-800°C for annealing, which can enhance the ductility of the steel and make it easier to process.
- Galvanizing treatment: Finally, to improve the corrosion resistance of the steel, we use a hot dip galvanizing process to immerse the steel in molten zinc at 450-460°C to form a zinc coating to effectively prevent rust.
Machining of DX54D Steel
Machining Options
- Drilling: If you need precise holes, we offer drilling services. We use slow drilling speeds to avoid overheating, maintain the formability of the material, and ensure smooth processing.
- Milling: Suitable for parts with precise dimensions and surface treatments. We control the milling speed to ensure that the formability of the steel is not affected, ensuring dimensional accuracy and surface quality.
- Stamping: Suitable for large-scale production of parts with complex shapes. DX54D steel has good ductility and can be formed into complex shapes without breaking, which is particularly suitable for this process.
- Laser cutting: Suitable for precise patterns and complex designs, ensuring that the material is not damaged during the cutting process and maintaining its integrity, suitable for projects with high precision requirements.
Precautions during processing
- Low-speed processing: Use low speed operations when drilling and milling to avoid overheating and ensure the formability of the material.
- Lubricant use: Lubricants reduce tool wear and improve surface quality.
- Thermal control management: We attach importance to heat management during processing to prevent material performance degradation.
Welding Methods of DX54D Steel Plate
There are many ways to weld DX54D steel. We can provide the most suitable option according to your needs:
- Spot Welding: Effective for thin sheets, providing strong bonds without compromising formability.
- Seam Welding: Suitable for continuous joints in thin sections, preserving structural integrity.
- Gas Metal Arc Welding (GMAW): Ideal for larger or complex structures, offering control over heat input and stable joints.
No Preheating Needed: DX54D’s low carbon content allows moderate welding heat without compromising strength or ductility.
Are There Specific Challenges When Welding DX54D Steel?
DX54D steel is easily weldable due to its low carbon content, which reduces the risk of brittleness or cracking. Techniques like spot welding and seam welding work well, especially for thin sheets used in automotive and appliance manufacturing.
Surface Treatment of DX54D Steel
In order to improve the corrosion resistance, wear resistance and appearance of DX54D steel, we provide a variety of surface treatment methods:
- Passivation or Chromate Coating: Applied post-galvanizing to prevent oxidation and enhance corrosion resistance.
- Phosphating: Promotes paint adhesion, commonly used in automotive and appliance finishes.
- Organic or Epoxy Coatings: Provide added protection for parts exposed to wear or extreme environments.
Different Surface Finishes for DX54D
- DX54D+Z (zinc coating): provides good corrosion resistance and is suitable for general outdoor and automotive applications.
- DX54D+ZM (zinc-magnesium alloy coating): enhances corrosion resistance and reduces white rust, suitable for automotive and structural parts in humid environments.
- DX54D+ZA (zinc-aluminum alloy coating): improves surface hardness and corrosion resistance, suitable for buildings and facades.
- DX54D+ZF (zinc-iron alloy coating): enhances paint adhesion and corrosion resistance, often used for automotive parts that need to be painted.
- DX54D+AZ (aluminum-zinc alloy coating): provides high corrosion resistance and heat reflectivity, widely used in roofs, HVAC systems and exposed building materials.
- DX54D+AS (aluminum-silicon alloy coating): enhances high temperature resistance and prevents oxidation, suitable for exhaust systems and high-temperature components.
Which Surface Treatment Provides The Best Corrosion Resistance For DX54D Steel?
DX54D+AZ (aluminum-zinc alloy coating) is a very ideal choice for applications that require special corrosion resistance, especially for exposed environments such as buildings and roofs.
Advantages of DX54D Steel
The DX54D galvanized steel produced by SteelPRO Group not only has high performance and high durability, but also reduces defects and defective products through optimized production processes, ensuring your product quality and production efficiency.
High ductility and complex forming capability
Our DX54D steel has excellent ductility, and even complex shapes can be easily completed without cracking. Compared with other brands, our DX54D performs better in complex forming and can accurately meet the needs of complex parts, especially suitable for industries such as automobiles and home appliances.
High-quality galvanized layer and excellent corrosion resistance
We use an advanced hot-dip galvanizing process to ensure a uniform and long-lasting galvanized layer. This makes our DX54D steel have excellent corrosion resistance, especially suitable for humid or outdoor environments. Compared with other brands, our galvanized layer is more durable, which effectively improves the service life of the product.
Stable mechanical properties
DX54D steel has consistent tensile strength and yield strength, and is stable and reliable even under repeated stress and forming. Our products guarantee that there will be no performance fluctuations in long-term use, thus avoiding the trouble of frequent replacement
Excellent welding performance
Due to the low carbon content of DX54D steel, the welding performance is very good, and there is almost no cracking or brittleness. Supports a variety of welding methods and can adapt to different production needs. Compared with other brands, our products have better controlled heat input during welding, avoiding problems caused by overheating.
Efficient processing technology
We have optimized the cold processing and hot-dip galvanizing processes, which not only improves processing efficiency but also effectively reduces production costs. Compared with other brands, we pay more attention to thermal management and tool wear resistance during processing, ensuring high efficiency and precision during processing.
Excellent surface quality
Our DX54D steel has a smooth surface and high-quality galvanized layer, reducing the need for additional coatings and maintaining excellent appearance and durability. This makes the finished product perform well during use and reduces rework and additional coating treatments.
How to Maintain DX54D Steel？
Transportation and Storage
- During transportation, use anti-corrosion materials to protect the steel surface and avoid scratches or collisions. Avoid stacking too high to ensure that the steel is stable and prevent movement. When storing, use moisture-proof materials to package and ensure that it is stored in a dry, ventilated place to prevent moisture and oxidation.
Long-term maintenance
- For steel exposed to the outdoors for a long time, apply anti-rust oil or anti-rust agent regularly. If rust or surface damage is found, it should be promptly treated and re-applied with a protective layer. Avoid using rough tools when cleaning to protect the galvanized layer.
Product advantages
- The galvanized layer of our DX54D steel is uniform and durable, and proper maintenance can significantly extend its service life. Compared with other brands, the steel is more resistant to corrosion and wear, reducing long-term maintenance costs.
Application of DX54D Steel
- Automotive Industry: Body panels, doors, hoods, and structural components.
- Appliance Manufacturing: Refrigerator panels, washing machine housings, and dryer cabinets.
- Construction: Roofing, wall panels, and structural frames.
- HVAC Systems: Air ducts, furnace casings, and ventilation parts.
- Furniture: Shelving units, office desks, and metal frames.
- Electrical Enclosures: Circuit boxes, control panels, and transformer housings.
- Agricultural Equipment: Tractor panels, plow parts, and protective covers.
- Lighting Fixtures: Lamp bases, outdoor lighting enclosures, and reflector frames.
Reliable DX54D Steel Manufacturer
Our company provides a variety of specifications of DX54D steel, including DX54D plates, coils and tubes. Whether you need large-sized plates, conveniently processed coils, or tubes, we have stock in stock and can flexibly supply according to your needs. Our inventory management is very efficient, ensuring timely delivery to meet the production needs of different customers.
