Galvanized Steel
The DX54D finely coated sheet metal is made for maximum extensibility, which is why it is perfect for various shaping processes, either the material itself or the depth of the draw is greater than usual. It flows easily due to its high amount of ductility and, of course, its surface, which is even as a laminate would be, to facilitate bending of the parts involved in some shapes without, for example, cracking of the elements involved in the process.
A lot of new work has been done recently so that DX54D conforms to present industry regulations and can provide a yield of tolerance to stress and deformation, which lies within the range of 140-300 MPa and an elongation of approximately 36-44%, depending on the thickness of the sheet plates. It therefore withstands significant deformation without breaking down even during the shaping process. In addition, a continuous coat of zinc protects the surface from any kind of corrosion even after the shaping process.

The formability and practical usage or cases have proven that DX54D is most effectively used in the design and manufacture of vehicles, wherein high precision in the pressing and forming is fundamental. Since the DX54D can keep the roughness and mechanical characteristics to the same degree under external influence, especially mechanical loadings, it has earned the trust of industries that demand high quality and flexibility. This single or combination of characteristics improves work efficiency and reduces scrap, with consistent progress in commercial and industrial applications reaching satisfactory levels of work.
Applications in Automotive and Home Appliances
The DX54D sheet plate is highly preferred for various manufacturing industries that manufacture automotive body components and offline housing appliances like washing machines and refrigerators due to its highly formable nature and because it meets the dual requirements of performance and appearance of the flat product.
Benefits of Corrosion Resistance in Galvanized Steel
| Key Benefit | Description |
|---|---|
| Corrosion Protection | Zinc coating shields steel from moisture and oxygen. |
| Sacrificial Anode Effect | Zinc corrodes first, protecting underlying steel. |
| Long Lifespan | Lasts 50+ years in average environments. |
| Low Maintenance | Requires minimal upkeep over its lifespan. |
| Cost-Effective | Affordable compared to other corrosion-resistant materials. |
| Durability | Withstands harsh environments and physical damage. |
| Simple Inspection | Coating strength is visually assessable. |
| Zinc Patina Formation | Develops a protective layer, slowing corrosion further. |
| Environmentally Friendly | Fully recyclable material. |
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 |
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 |
Advantages of DX54D Steel
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.
- Material Comparison
|
Chinese Standard |
Japan Standard |
European Standard |
|
DX51D Z/DC51D Z (CR) |
SGCC |
DX51D Z |
|
DX52D Z/DC52D Z |
SGCD1 |
DX52D With |
|
DX53D Z/DC53D Z/DX54D Z/DC54D Z |
SGCD2/SGCD3 |
DX53D Z/DX54D Z |
|
S220/250/280/320/350/550GD Z |
SGC340/400/440/490/570 |
S220/250/280/320/350GD Z |
|
DX51D Z/DD51D Z (HR) |
SGHC |
DX51D Z |
|
Standard |
Grade |
C |
Si |
Mn |
P |
S |
Ti |
|
Forcold Forming Chinese Standard |
DX51D+Z |
0.12 |
0.50 |
0.60 |
0.100 |
0.045 |
0.30 |
|
DX52D+Z |
0.12 |
0.50 |
0.60 |
0.100 |
0.045 |
0.30 |
|
|
DX53D+Z |
0.12 |
0.50 |
0.60 |
0.100 |
0.045 |
0.30 |
|
|
DX54D+Z |
0.12 |
0.50 |
0.60 |
0.100 |
0.045 |
0.30 |
|
|
DX56D+Z |
0.12 |
0.50 |
0.60 |
0.100 |
0.045 |
0.30 |
|
|
DX57D+Z |
0.12 |
0.50 |
0.60 |
0.100 |
0.045 |
0.30 |
|
|
Forcold Forming Japanese Standard |
SGCC |
0.15 |
0.50 |
0.80 |
0.050 |
0.030 |
0.025 |
|
SGCD1 |
0.12 |
0.50 |
0.60 |
0.040 |
0.030 |
0.025 |
|
|
SGCD3 |
0.08 |
0.50 |
0.45 |
0.030 |
0.030 |
0.025 |
|
|
SGCD4 |
0.06 |
0.50 |
0.45 |
0.030 |
0.030 |
0.025 |
|
|
For Structure Japanese Standard |
SGC340 |
0.25 |
0.50 |
1.70 |
0.200 |
0.035 |
0.025 |
|
SGC400 |
0.25 |
0.50 |
1.70 |
0.200 |
0.035 |
0.150 |
|
|
SGC490 |
0.30 |
0.50 |
2.00 |
0.200 |
0.035 |
0.025 |
|
|
SGC510 |
0.30 |
0.50 |
2.50 |
0.200 |
0.035 |
0.025 |
|
|
For Structure AISI Standard |
S220GD+Z |
0.20 |
0.60 |
0.70 |
0.100 |
0.045 |
0.025 |
|
S250GD+Z |
0.20 |
0.60 |
0.70 |
0.100 |
0.045 |
0.025 |
|
|
S280GD+Z |
0.20 |
0.60 |
0.70 |
0.100 |
0.045 |
0.025 |
|
|
S320GD+Z |
0.20 |
0.60 |
0.70 |
0.100 |
0.045 |
0.025 |
|
|
S350GD+Z |
0.20 |
0.60 |
0.70 |
0.100 |
0.045 |
0.150 |
|
|
S550GD+Z |
0.20 |
0.60 |
0.70 |
0.100 |
0.045 |
0.150 |

