Hot-Dip Aluminum Coated Steel Coil / Sheet / Plate
Huaxiao-Alloy’s Hot-Dip Aluminum Coating transforms carbon steel into an
Standard Dimensions & Tolerances
| 0.3–3.0 mm (±0.03mm) | 600–1,600 mm (±0.8mm) | Regular (R), Minimized spangle (M) | ||
| 0.5–4.0 mm (±0.05mm) | 1,000–2,000 mm (±1mm) | Skin-passed (S), Bright finish | ||
| 3–25 mm (±0.5%) | 1,500–3,500 mm | Pickled & oiled (PO), Blasted |
2. BASE MATERIAL OPTIONS
(Tailored for Mechanical Performance & Compatibility)
| EN 10130 | 140–210 | 270–350 | Agricultural tanks | |
| EN 10346 | ≥220 | ≥450 | Automotive exhausts | |
| EN 10346 | 320–420 | 320–470 | Solar mounting structures | |
| ASTM A1085 | 340–440 | 600–730 | Battery enclosures |
3. COATING SYSTEMS: TECHNOLOGY & PERFORMANCE
Type 1 (AlSi Alloy Coating)
Composition: Al 86-89% + Si 6.5-8.5% Structure: FeAl₃ + Fe₂Al₅ + β-Si eutectic (5-18µm) Key Attributes: - Max service temp:
650°C continuous , 800°C peak - Salt spray resistance:
1,500–2,500 hrs (ASTM B117) - Heat reflectivity:
85% (vs. 35% for HDG)
- Max service temp:
Composition: Al ≥99% + trace Fe Structure: Pure Al overlay + Fe₂Al₅ layer (15-40µm) Key Attributes: - Acid corrosion resistance:
0.05 mm/year in 10% HCl - Formability:
LDR 1.6 (ISO 12004-2) - UV stability:
Zero degradation after 10 years outdoor exposure
- Acid corrosion resistance:
4. MECHANICAL & PHYSICAL PROPERTIES
| Property | |||
|---|---|---|---|
| ISO 16273 | 1T | 0T | |
| ASTM E228 | 11.5 µm/m·°C (20-600°C) | 12.8 µm/m·°C | |
| ISO 6507-1 (HV0.1) | 180–220 HV | 25–35 HV | |
| ASTM B193 | 10 µΩ·cm | 3 µΩ·cm |
5. INDUSTRY APPLICATIONS
| Exhaust manifolds | VW TL267 certified, 900°C cyclic | ||
| Biomass boiler tubes | Flue gas dew point corrosion <0.1mm/yr | ||
| Agro-chemical storage | Resists NH₃/H₂S vapors | ||
| Heat exchanger fins | Compatible with Al brazing (600°C) |
FAQ: ENGINEERING-CRITICAL QUERIES
A: At >500°C, Si oxidizes into SiO₂, creating a self-healing barrier against O₂ diffusion (per ISO 2740). Our 7.5% Si optimizes this.
A: Yes – use ER309L filler with 95Ar/5H₂ gas. Preheat ≤150°C prevents Al-contaminated cracks.
A:
A:
A: ALUM150 offers
A: Full ASME SB263 compliance – Includes hydrostatic test reports & NDE documentation.
ADDITIONAL ENGINEERING SUPPORT
Technical Documentation Library
- Coating Selection Guide (Temp/Corrosion Matrix)
- Welding Procedure Specifications (AWS D8.7-compliant)
- Lifecycle Cost Calculator vs. Stainless/Galvanized
Prototype Stamping: Test runs on 1,200-ton press Corrosion Mapping: Predictive modeling per ISO 20340 ESG Reporting: CO₂ savings per ton vs. alternatives
Deep Technical Credibility: Microscopic layer specs, validated test data Solution-Focused Positioning: Match steel grade + coating + processing for use cases Risk Mitigation: Certifications, 3rd-party reports, field performance data Conversion-Driven CTAs: Samples → Testing → Engineering support flow Competitive Defense: Explicit comparisons vs. alternatives (Galvalume/SS)
Hot-Dip Aluminum Coated Steel Coil / Sheet / Plate
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