galvanized steel
DX53D galvanized steel is widely used in automotive manufacturing and construction industries because it delivers the mechanical performance required for complex forming while providing excellent corrosion protection. Its unique combination of ductility, strength, surface quality and coating stability makes it one of the most versatile galvanized steel grades available today.
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Chemical Composition
| C | Si | Mn | P | S | Ti |
| max 0.12 | max 0.5 | max 0.6 | max 0.1 | max 0.045 | max 0.3 |
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Mechanical Properties
| Rm – Tensile strength (MPa) | 270-380 |
| Re – Upper yield strength or | 140-260 |
| Rp0.2 – 0.2% proof strength (MPa) | |
| A – Min. elongation Lo = 80 mm (%) | 30 |
DX53D Galvanized Steel Applications
1.Automotive Industry:
Car body panels, inner structural parts, reinforcement components, fuel tanks, chassis components, battery casings, and decorative trims.
2.Household Appliances:
Washing machine drums, refrigerator panels, oven enclosures, air conditioner casings, dishwasher interiors, and microwave oven structures.
3.Construction and Roofing:
Metal cladding, roofing sheets, wall panels, structural profiles, rainwater drainage systems, garage doors, and insulation-backed panels.
4.Electrical and Industrial Equipment:
Electrical enclosures, control cabinets, transformer casings, air ventilation ducts, industrial storage units, and safety barriers.
5.Furniture and Decorative Applications:
Storage cabinets, office furniture frames, shelving systems, modular partitions, architectural facades, and decorative panels.
DX53D in Automotive Manufacturing
Typical Automotive Applications
| Component | Advantage of DX53D |
|---|---|
| Door inner panels | Excellent deep drawing performance |
| Structural brackets | High strength & durability |
| Seat frames | Fatigue resistance |
| Chassis covers | Corrosion protection |
Corrosion Resistance Performance
| Environment | Estimated Service Life |
|---|---|
| Indoor dry | 25+ years |
| Urban outdoor | 15–20 years |
| Coastal area | 10–15 years |
Automotive manufacturers rely on DX53D galvanized steel to maintain consistent quality and long-term reliability even under severe operating conditions.
DX53D in Construction Applications
| Application | Performance Benefit |
|---|---|
| Roofing systems | Long corrosion resistance |
| Wall cladding | Excellent surface finish |
| Steel framing | Structural stability |
| Ventilation systems | Moisture resistance |
Economic Value in Construction Projects
DX53D reduces maintenance costs, extends service life, and minimizes corrosion-related failures, significantly improving lifecycle cost efficiency.
Cost-Performance Advantage Over Other Grades
| Grade | Cost Level | Service Life | Overall Value |
|---|---|---|---|
| DX51D | Low | Medium | Moderate |
| DX52D | Medium | High | High |
| DX53D | Medium | Very High | Excellent |
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Mechanical Properties
| Grade | Coating | Standard | Yield strength Re (MPa) | Tensile strength Rm (MPa) | Elongation A80 (min %) | r90 (min) | n90 (min) |
|---|---|---|---|---|---|---|---|
| DX51D | Z, ZA, ZF | EN 10346 | - | 270 – 500 | 22 | - | - |
| DX52D | Z, ZA, ZF | EN 10346 | 140 – 300 ²) | 270 – 420 | 26 | - | - |
| DX53D | Z, ZA, ZF | EN 10346 | 140 – 260 | 270 – 380 | 30 | - | - |
| DX54D | Z, ZA, ZF | EN 10346 | 120 – 220 | 260 – 350 | 36 | 1.6 ⁴) | 0.18 |
| DX56D | Z, ZA, ZF | EN 10346 | 120 – 180 | 260 – 350 | 39 | 1.9 ⁵) | 0.21 ⁵) |
| DX57D | Z, ZA | EN 10346 | 120 – 170 | 260 – 350 | 41 | 2.1 ⁵) | 0.22 |
GNEE STEEL delivers high-quality DX53D galvanized steel coil and sheet with consistent mechanical properties, reliable zinc coating, customized specifications, and professional export packaging. Our customers benefit from stable supply, competitive pricing and full technical support from inquiry to delivery.
Packaging and shipping
