Galvanized Steel
DX54D+Z is a hot-dip galvanized steel coil designed for applications that require excellent formability and corrosion resistance. The "DX54D" grade indicates a steel with moderate strength, suitable for cold working processes such as bending, stamping, and drawing. The "+Z" signifies a zinc coating applied through the galvanizing process, which provides an effective barrier against corrosion and enhances the steel's durability, especially in outdoor or harsh environments. DX54D+Z coils are commonly used in industries such as automotive, construction, and appliances, where both strength and long-term resistance to weathering are critical. The steel offers good weldability, smooth surface quality, and excellent protection from corrosion, making it ideal for components exposed to moisture and atmospheric conditions.
Packaging and shipping

DX54D+Z Galvanized Steel Coil Standard Specification
| Standard | ASTM, AISI, SUS, JIS, EN, DIN, BS, GB, etc. |
| Material | Dx51D, Dx52D, Dx53D, DX54D, S220GD, S250GD, S280GD, S350GD, S350GD, S550GD; SGCC, SGHC, SGCH, SGH340, SGH400, SGH440, SGH490,SGH540, SGCD1, SGCD2, SGCD3, SGC340, SGC340 , SGC490, SGC570; SQ CR22 (230), SQ CR22 (255), SQ CR40 (275), SQ CR50 (340), SQ CR80(550), CQ, FS, DDS, EDDS, SQ CR33 (230), SQ CR37 (255), SQCR40 (275), SQ CR50 (340), SQ CR80 (550); or as Customer's Requirement |
| Thickness | Hot Rolled: 0.12~3.0mm Cold Rolled: 1.20~4.60mm or As Your Request |
| Width | 600mm~2200mmm, or As Your Request Regular Width: 1000mm, 1250mm, 1500mm |
| Tolerance | Thickness: ±0.01mm; Width: ±2mm |
| Coil ID | 508~610mm or As Per Your Request |
| Coil Weight | 3~5 Tons or As Per Your Request |
| Zinc Coating | 30~275g/m2 |
| Spangle | Big Spangle, Regular Spangle, Mini Spangle, Zero Spangle |
| Surface Treatment | Black Painted, PE Coated, Galvanized or Customized all available |
| Standard | ASTM, AISI, SUS, JIS, EN, DIN, BS, GB, etc. |
| Material | Dx51D, Dx52D, Dx53D, DX54D, S220GD, S250GD, S280GD, S350GD, S350GD, S550GD; SGCC, SGHC, SGCH, SGH340, SGH400, SGH440, SGH490,SGH540, SGCD1, SGCD2, SGCD3, SGC340, SGC340 , SGC490, SGC570; SQ CR22 (230), SQ CR22 (255), SQ CR40 (275), SQ CR50 (340), SQ CR80(550), CQ, FS, DDS, EDDS, SQ CR33 (230), SQ CR37 (255), SQCR40 (275), SQ CR50 (340), SQ CR80 (550); or as Customer's Requirement |
| Thickness | Hot Rolled: 0.12~3.0mm Cold Rolled: 1.20~4.60mm or As Your Request |
| Width | 600mm~2200mmm, or As Your Request Regular Width: 1000mm, 1250mm, 1500mm |
| Tolerance | Thickness: ±0.01mm; Width: ±2mm |
| Coil ID | 508~610mm or As Per Your Request |
| Coil Weight | 3~5 Tons or As Per Your Request |
| Zinc Coating | 30~275g/m2 |
| Spangle | Big Spangle, Regular Spangle, Mini Spangle, Zero Spangle |
| Surface Treatment | Black Painted, PE Coated, Galvanized or Customized all available |
DX54D+Z Galvanized Steel Coil Equivalent Material
| Grade | Euronorm | China GB | Japanese JIS | US ASTM |
| EN 10346:2009 | GBT 2518-2008 | JIS:G3302-2005 | ASTM A653M | |
| DX54D+Z | DX54D+Z | DX54D+Z | SGCD3 | DDS TypeC |
DX54D+Z Galvanized Steel Coil Metal Content
| Grade | Element | C | Si | Mn | P | S | Ti |
| DX54D+Z | Min. | - | - | - | - | - | - |
| Max. | 0.12 | 0.5 | 0.6 | 0.12 | 0.045 | 0.3 |
Tensile strength: 260~350MPa
Yield strength: 120~220MPa
Elongation: ≥36%
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.
|
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 |
Frequently Asked Questions (FAQ)
Q: What are the benefits of using a galvanized steel coil in construction?
A: Galvanized steel coils offer excellent corrosion resistance, durability, and low maintenance, making them ideal for construction applications. They are also versatile and can be easily formed into various shapes.
Q: How does pre-painted galvanized steel differ from regular galvanized steel?
A: Pre-painted galvanized steel is coated with a layer of paint for additional protection and aesthetics. This coated steel sheet type provides excellent corrosion resistance and an attractive finish, making it suitable for visible applications.
Q: What is the significance of the "z275" marking on galvanized steel products?
A: The "z275" marking indicates the weight of the zinc coating, measured in grams per square meter. A Z275 galvanized steel product has a zinc coating weight of 275 g/m², offering significant corrosion protection.
Q: What role does carbon steel play in the composition of galvanized steel sheets?
A: Carbon steel is the base material for galvanized steel sheets. It provides strength and structural integrity, while the galvanized layer offers corrosion resistance.
Q: Can DX54D galvanized steel be used for welding applications?
A: Yes, DX54D galvanized steel can be welded, although precautions must be taken to manage the potential release of zinc fumes. Proper ventilation and safety equipment are essential during the welding process.

