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Direct Factory Supply · Custom Slitting Tolerances · Precision Edge Conditioning · Marine, Aerospace, & Electrical Grades
In modern manufacturing, selecting the optimal aluminum strip supplier & exporter requires an in-depth evaluation of grain refinement, intermetallic phase distribution, mechanical anisotropy, and precise slit-edge conditioning. Aluminum strips—slit from continuous cold-rolled master coils—serve as the foundational raw material across high-reliability industries including electrical transformer windings, automotive heat exchangers, lithium-ion EV battery tabs, and structural facade joinery.
Understanding chemical compositions under international standards (such as ASTM B209, EN 485, and DIN EN 573) ensures that engineers specify the correct alloy series matching their exact physical demands:
| Alloy Series | Primary Elements | Key Tempers | Tensile Strength (MPa) | Electrical Conductivity (% IACS) | Core B2B Applications |
|---|---|---|---|---|---|
| 1000 Series (1050/1060/1100) | Al ≥ 99.5% | O, H14, H18, H24 | 70 - 165 | ≥ 61.0% | Transformer Windings, Busbars, Cable Wrap |
| 3000 Series (3003/3105) | Al-Mn (1.0-1.5% Mn) | O, H14, H24, H18 | 110 - 230 | 40.0% - 50.0% | Radiator Fin Stock, Deep Draw Cans, HVAC |
| 5000 Series (5052/5083/5754) | Al-Mg (2.2-4.9% Mg) | O, H111, H32, H34, H116 | 190 - 350 | 29.0% - 35.0% | Marine Strips, EV Battery Cases, Pressure Vessels |
| 6000 Series (6061/6082) | Al-Mg-Si | T4, T6, T651 | 180 - 330 | 40.0% - 45.0% | Structural Frames, Busbar Rails, Solar Clamps |
| 7000 Series (7075) | Al-Zn-Mg-Cu | T6, T651, T7351 | 480 - 570 | 30.0% - 33.0% | Aerospace Components, High-Stress Springs |
Slitting Precision & Edge Conditioning: A critical differentiator of premium aluminum strips is edge burr control. Our automated precision rotary shear slitting lines utilize carbide tungsten knives capable of maintaining edge burr heights under 5% of total gauge thickness. For high-voltage transformer strips, we apply custom edge-rounding rollers to eliminate micro-burrs that could puncture inter-layer insulation films under electrical stress.
Navigating Decarbonization, Supply Chain Resilience, and Next-Generation Aluminum Applications
Global buyers facing European Carbon Border Adjustment Mechanism (CBAM) regulations are prioritizing primary aluminum smelted using renewable hydro-power. Closed-loop scrap recycling integrates clean industrial offcuts back into re-melting furnaces, reducing embedded CO₂ emissions down to below 4.0 tCO₂e/t Al.
The explosive growth of Electric Vehicles (EVs) has surged demand for 1060 and 1230 high-purity aluminum battery tab strips. Ultra-thin gauge uniformity (±0.003mm) combined with high ultrasonic weldability ensures zero joint failure during high-speed prismatic cell pack assembly.
Institutional buyers demand full batch-level digital traceability. EN 10204 3.1 Mill Test Certificates are now paired with QR-coded coil packaging, granting procurement officers immediate access to spectral chemical analysis, yield strength curves, and salt spray test logs.
Building upon over five decades of metallurgical heritage established since 1972, HAQ Aluminium operates an integrated manufacturing ecosystem in Lahore, Pakistan. Spanning continuous casting, cold rolling mills, automated coil slitting lines, and chromate-free surface treatment, our facilities supply high-precision aluminum strips to tier-1 contractors, power grid OEMs, and packaging enterprises worldwide.
With 650+ dedicated specialists, AS9100/ISO-certified quality assurance protocols, and in-house tension leveling equipment capable of removing coil set, bow, and twist, we guarantee export bundles arrive straight, flat, and ready for automated stamping or roll-forming lines without secondary processing.
Expert Engineering Solutions for Aluminum Strip Sourcing, Tolerances, & Export Logistics
High-purity 1050 or 1060 alloy in Full Soft (O temper) is industry standard. It delivers an electrical conductivity ≥ 61% IACS, exceptional ductility for tight coil turns, and low electrical resistance to prevent thermal energy losses inside dry-type and oil-immersed transformers.
Our slitting machines employ high-precision rotary carbide shears set to controlled knife clearances. For electrical transformer applications, strips undergo an active inline mechanical deburring and edge-rounding process, keeping burr heights strictly under 0.01mm.
We offer custom precision slitting down to a minimum width of 10mm for thin foils/strips (0.1mm - 0.8mm) and widths up to 1500mm for heavy gauge plates. Gauge thicknesses span from 0.10mm soft foil strips up to 6.0mm heavy structural strips.
Export coils are wrapped with corrosion-inhibiting VCI (Volatile Corrosion Inhibitor) paper, heat-sealed in heavy-duty polyethylene film, and fitted with desiccant packs. Coils are secured on fumigated wooden pallets in either Eye-to-Sky or Eye-to-Wall orientation with edge protectors.
We provide mill finish (degreased), clear anodized (5µm–25µm), electrolytic color anodized (black, gold, bronze, blue), and electrostatic powder coating using architectural polyester powders with chromate-free pretreatments.
Standard MOQ for stocked master coils slit to custom width is 500 kg to 1,000 kg per size/color. Custom alloy casting runs require 3–5 metric tons. Production lead times average 10–15 working days following sample approval.