Aluminum Sheet/Plate

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2024 2A12 Aluminum Plate

Product Introduction

Basic Product Information
ParameterDescription / Value
Product NameAluminum Sheet / Aluminum Plate
Thickness ClassificationSheet: 0.20 mm – 6.0 mm; Plate: > 6.0 mm – 400 mm; Strip: Coiled product
Manufacturing ProcessesHot Rolling, Cold Rolling, Continuous Casting, Precision Milling
Common Product FormsFlat Sheet, Coiled Strip, Milled Plate, Tread Plate (Checker Plate), Perforated Sheet
Surface FinishesMill Finish (as-rolled), Bright Finish (Al-Bright), Milled (Ra <0.8), Brushed (Satin), Anodized, Painted/Coated, Protective Film applied (one or two sides)
Standard Widths1000 mm, 1250 mm, 1500 mm, 2000 mm (custom available)
Standard Lengths2000 mm, 2500 mm, 3000 mm, 4000 mm, 6000 mm (custom available)
Typical ApplicationsAerospace, automotive body panels, trailer manufacturing, shipbuilding, construction, machinery and plant construction, mold/jig manufacturing, chemical equipment, food industry, signages
Quality ComplianceISO 6361, EN 485, ASTM B209, DIN 1745
Dimensional Tolerances
ParameterCondition / ThicknessTolerance ValueApplicable Standard
Thickness (Milled Plate)Precisely milled±0.1 mmHABA / DIN
Thickness (Milled Plate)<Ra0.8 (N6)+0.2 / 0 mmHABA / DIN
Thickness (As-rolled)EN 485-3/4 standardPer EN 485EN 485
Parallelism (Milled Plate)/≤0.05 mm/
Parallelism (Milled High-tensile)/≤0.1 mm/
Flatness / Evenness (Milled Plate)/≤0.2 mm per meterEN 485 / HABA
Flatness (As-rolled)/≤0.5 mm per meterEN 485
Flatness (Milled High-tensile)/≤0.2 mm/
Length/Width (Saw Cut)StandardNominal +0.8/+0.3 mmHABA
Length/Width (Customer Precision)PrecisionWithin 0.4 mm fieldHABA
Diagonal Difference (Rectangular)/≤0.5 mm per 1000 mmIndustry Standard
Edge Squareness/≤0.5 mm per 1000 mmIndustry Standard
Surface Finish & Condition Definitions
Finish / ConditionDescriptionTypical Roughness (Ra)Applications
Mill FinishAs-rolled, natural oxide layer, matte appearance3.2 - 6.3 μmGeneral industrial, further processing
Milled FinishPrecisely machined surface, very smooth<0.8 μm (N6)Precision applications, mold bases
Bright Finish (Al-Bright)High reflectivity, bright appearance/Trailers, decorative applications
Brushed / SatinFine scratch pattern, directional grain0.4 - 1.0 μmArchitectural, furniture, appliances
Anodized (Clear)Electrochemical oxidation – clear protective layer/Corrosion protection, decorative
Anodized (Color)Colored anodized finish/Architectural, consumer products
With Protective FilmOne or two-sided plastic film/Surface protection during fabrication

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