Corrosion-Resistant Dx54d+As120 Steel Pipe
- Description
Description
Corrosion-Resistant Dx54D+AS120 Steel Pipe: High-Protection Aluminized Steel Tube Overview
Corrosion-resistant Dx54D+AS120 steel pipe is a high-performance aluminized steel tube made from Dx54D deep-drawing low-carbon steel with an aluminum-silicon (Al-Si) alloy coating. The AS120 coating provides strong surface protection, making it suitable for harsh environments where moisture, oxidation, and chemical exposure are present.
This type of steel pipe is widely used in automotive exhaust systems, heat exchangers, HVAC pipelines, and industrial fluid transfer systems requiring long-term corrosion resistance and thermal stability.
1. What Is Corrosion-Resistant Dx54D+AS120 Steel Pipe?
| Item | Description |
|---|---|
| Base Material | Dx54D deep-drawing low carbon steel |
| Coating Type | Aluminum-Silicon (Al-Si) alloy coating |
| Coating Grade | AS120 (approx. 120 g/m² total coating weight) |
| Key Feature | High corrosion resistance + heat resistance |
| Product Form | Welded or formed steel pipe |
2. Corrosion Resistance Performance Advantages
- Excellent oxidation resistance: Al-Si coating forms a stable protective barrier
- Moisture protection: Reduces rust formation in humid environments
- Chemical stability: Performs well in mild corrosive conditions
- Long service life: Extends durability of piping systems
3. Why AS120 Provides High Corrosion Resistance
The AS120 aluminum-silicon coating forms a dense metallurgical layer that protects the steel substrate from direct contact with oxygen, moisture, and corrosive agents. This significantly improves long-term durability compared to uncoated or galvanized steel pipes.
| Feature | Benefit |
|---|---|
| Al-Si coating layer | Creates durable corrosion barrier |
| High coating weight (AS120) | Improves protection thickness |
| Thermal stability | Maintains protection under heat exposure |
| Dense surface structure | Reduces penetration of moisture and oxygen |
4. Common Applications
| Industry | Application |
|---|---|
| Automotive | Exhaust systems, emission pipes, corrosion-prone ducts |
| HVAC systems | Air ducts and outdoor ventilation pipelines |
| Industrial equipment | Corrosive environment piping systems |
| Heat exchangers | Thermal transfer pipes exposed to moisture |
5. AS120 vs Lower Coating Grades
| Coating Grade | Corrosion Resistance | Heat Resistance | Service Life |
|---|---|---|---|
| AS120 | High | High | Long |
| AS80 | Medium | Medium | Medium |
| Uncoated Steel | Low | Medium | Short |
6. Size and Specification Range
| Item | Typical Range |
|---|---|
| Outer Diameter | 15 mm – 101.6 mm (custom available) |
| Wall Thickness | 0.5 mm – 3.0 mm |
| Length | 3 m / 6 m / customized |
| Standards | EN 10346 / ASTM A463 / OEM specification |
7. Industrial Supply Capability
Teda Ganghua supplies corrosion-resistant Dx54D+AS120 steel pipes with stable coating performance, strict quality control, and precise dimensional accuracy. Our products are widely used in automotive, HVAC, and industrial corrosion-critical applications worldwide.
For related products, visit aluminized steel tubes.
FAQ
1. What makes Dx54D+AS120 corrosion-resistant?
The aluminum-silicon coating creates a protective barrier against oxygen and moisture.
2. Where is this steel pipe used?
It is used in automotive exhaust systems, HVAC ducts, and industrial piping.
3. Is AS120 better than AS80 for corrosion resistance?
Yes, AS120 provides a thicker coating and better protection.
4. Can it be used outdoors?
Yes, it performs well in humid and moderately corrosive environments.
5. Does Teda Ganghua supply AS120 steel pipes?
Yes, Teda Ganghua supplies high-quality corrosion-resistant Dx54D+AS120 steel pipes globally.
