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| Customization: | Available |
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| Type: | Welded |
| Technique: | Cold Rolled |
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DX53D+AS120 is a cold-formable aluminized silicon steel pipe manufactured by hot-dipping cold-rolled steel (DX53D grade) in an aluminum-silicon alloy (90% Al, 10% Si). The coating weight is 120 g/m² (both sides), optimized for high-temperature endurance and deep-drawing performance in automotive exhaust components.
Key Advantages
Superior Corrosion Resistance
3-5× longer service life vs. galvanized steel, validated by 2,400+ hours salt spray testing.
Dense Al2O3 oxide layer blocks moisture, acids, and exhaust gases.Ultra-smooth zero-spangle surface (comparable to Korean/Japanese standards) enables seamless stamping, bending, and tube forming.Low friction coefficient reduces tool wear during manufacturing.Optimized for Cold Forming
Eco-Friendly & Compliant
Coating composition (Al-Si-Fe) complies with ROHS, FDA, LFGB, and REACH.
Minimal fume emission during welding.
| Parameter | Value |
|---|---|
| Base Material | DX53D Cold-Rolled Steel |
| Coating Weight | AS120 (120 g/m², both sides) |
| Thickness Range | 0.3-3.0 mm |
| Surface Treatment | Chromated + Lightly Oiled |
| Weldability | Excellent (low current required) |
Why Choose MESCO STEEL?
Supply Chain Agility:
3-day delivery from MESCO's 5,000-ton daily stock (Asia's only supplier stocking DX53D+AS120).
Custom pipe forming, slitting, and nested packing to optimize container space.
Certifications & Quality Assurance
Quality Certificates: MTC compliant with EN10142/ASTM A463.
Production Excellence:
Fully automated smart factory (MIIT China-certified pilot).
In-line surface inspection and roughness control.
Testing Capabilities: Salt spray, glow, bending, and impact tests supported.
Applications
Automotive: Mufflers, exhaust pipes, catalytic converter shields, rain boxes.
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Q1: How does MESCO ensure consistent quality control for raw materials?
A: As the source manufacturer, we implement stringent tolerance management from raw material procurement to production, guaranteeing dimensional accuracy and coating uniformity.
Q2: What distinguishes your aluminized steel pipe welding process?
A: We exclusively use aluminum-repair welding technology (vs. zinc-repair by competitors). Despite higher costs and technical challenges (e.g., aluminum's flammability risk), this ensures superior corrosion resistance and longevity.
Q3: Do you stock standard-grade products for urgent orders?
A: Yes. We maintain ready inventories of common grades/specifications (e.g., DX53D+AS120 for exhaust systems), enabling 3-day delivery.
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