Aluminized silicon steel sheet is produced by continuous hot-dip coating with an aluminum-silicon alloy (5–11% Si), delivering outstanding heat resistance up to 550°C, up to 80% radiant heat reflectivity, and superior corrosion resistance compared to galvanized steel. Meeting ASTM A463 Type 1, EN 10346, and JIS G3314 standards, it is available in thicknesses from 0.3 to 6.0 mm in coil or cut-to-length formats — ideal for automotive exhaust systems, oven liners, heat exchangers, and HVAC applications.
Manufactured via hot-dip aluminizing with an Al-Si alloy coating, MESCO's aluminized silicon steel pipes deliver exceptional high-temperature oxidation resistance and long-term corrosion protection. With 3,000 MT in stock and exclusive coverage of three coating weights, we are your most reliable supply partner for demanding thermal applications.
3,000 MT
Ready Stock
3
Exclusive Coating Grades
30%
Flaring Without Cracking
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Core Advantages
Why Choose MESCO
From raw material to finished product, MESCO upholds rigorous process standards and maintains ample ready stock to give your project every competitive edge.
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3,000 MT In Stock — Ship Immediately
MESCO's warehouse holds 3,000 metric tons of aluminized silicon steel pipe across multiple specifications. No production lead time required — orders are scheduled for dispatch the moment they are confirmed, keeping your project on schedule.
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Three Exclusive Coating Grades
MESCO exclusively stocks 120 g/m², 240 g/m², and 300 g/m² coating weights — a full-range inventory virtually unmatched in the market. Whether your application demands cost efficiency or maximum corrosion protection, we have the right grade ready.
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30% Flaring — Coating Stays Intact
Verified through rigorous processing trials, MESCO pipes withstand pipe-end flaring of up to 30% without coating delamination or cracking. The exceptional bond between the Al-Si layer and the base steel ensures reliable performance throughout fabrication.
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Advanced Weld Seam Treatment
Dedicated post-weld surface processing eliminates ridges and dark oxidation zones at the weld line. The result is a smooth, uniform transition across the entire tube surface, ensuring consistent coating quality from seam to body.
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Superior Surface Finish
Our uniform hot-dip process yields a bright, even silver-white surface with a dense, firmly adherent coating. Free of drips, skip-coating, or surface irregularities — meeting the aesthetic and functional demands of premium end-use environments.
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High-Temp Resistance · Long-Term Protection
The Al-Si alloy coating withstands continuous service temperatures up to 700 °C, forming a stable alumina barrier that outperforms galvanized steel by several times. Outstanding corrosion resistance under hot flue gas, humid, and aggressive conditions.
Coating Specifications
Coating Grades · Exclusive Stock
All three coating weight grades are held in ready inventory — making MESCO one of the rare suppliers capable of delivering the complete Al-Si pipe range without lead time.
Light · Economy120 g/m²
Standard · Balanced240 g/m²
Heavy · Maximum Protection300 g/m²
Coating weight directly determines corrosion service life and thermal endurance. The 120 g/m² grade suits cost-sensitive, moderate-temperature applications; 240 g/m² is the widely adopted industry benchmark with well-rounded performance; 300 g/m² is engineered for the most demanding high-temperature or aggressive-corrosion environments.
MESCO holds all three grades in ready stock, with no mandatory minimum order quantity (subject to available inventory). Mixed-grade orders are fully supported to satisfy diverse project requirements.
Double-Sided Hot-DipAl-Si Alloy CoatingERW Welded TubePre-Shipment InspectionMill Test Certificate
Technical Performance
Key Performance Data
Parameters below are based on MESCO product test data. Final technical specifications shall be subject to the product standard confirmed by both parties.
Performance Parameter
Value / Result
Notes
Status
Coating Weight
120 / 240 / 300 g/m²
Three grades exclusively held in stock
✓ In Stock
High-Temperature Resistance
Continuous service ≤ 700 °C
Al-Si layer forms stable alumina barrier at elevated temperature
✓ Excellent
Flaring Performance
Flare ratio ≥ 30%, no cracking
Strong coating-to-substrate adhesion; no delamination during forming
✓ Verified
Weld Seam Surface
Smooth, no visible ridges
Dedicated weld-zone treatment; high visual consistency
✓ Premium
Surface Appearance
Bright silver-white, uniform & dense
No skip-coating or drip marks; consistent along full length
✓ Excellent
Salt Spray Corrosion
Significantly superior to galvanized pipe
Al-based coating provides extended service life in neutral salt-spray conditions
✓ Superior
Ready Inventory
3,000 Metric Tons
Multi-spec stock; pre-shipment inspection available
✓ Available
Application Scenarios
Where It Performs
Combining high-temperature endurance, corrosion protection, and excellent formability, aluminized silicon steel pipes serve a wide range of demanding industries.
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Automotive Exhaust Systems
Exhaust pipes, mufflers, and catalytic converter housings — built to withstand intense engine exhaust heat and corrosive gases.
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Industrial Furnace Tubes
Transfer piping for heating furnaces, annealing lines, and heat-treatment equipment — resisting high-temperature oxidation and extending asset life.
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HVAC & Hot Water Systems
High-temperature water circuits in boilers, heat pump units, and HVAC systems — corrosion-resistant with lower long-term maintenance costs.
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Energy & Power Generation
Flue-gas ducting for generators and hot-section tubing for gas turbines — reliable under high-temperature corrosive exhaust gas conditions.
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Building Ventilation & Flues
Exhaust ducts and ventilation systems for commercial buildings and industrial plants — attractive finish, corrosion-free, and easy to install.
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Mechanical & Structural Components
Structural tubing requiring thermal or anti-corrosion protection — excellent formability supports flaring, bending, and various fabrication processes.
3,000 MT Ready Stock Request a Quote Today
Coating grades: 120 g/m² · 240 g/m² · 300 g/m² — All in stock · Pre-shipment inspection available
Visit our website or contact us for professional grade selection support and competitive pricing.
