DescriptionFlat Bar Stock, Aluminum, 6061, T6511, Bar, 6 ft Overall Length, Length Tolerance +/-6.000 in, 2 1/2 in Overall Width, Width Tolerance +/-0.024 in, 0.25 in Thickness, Thickness Tolerance +/-0.008 in, Fabrication Extruded, Heat Treatment Pre-Hardened, Heat Treatable Yes, Mechanical Finish Mill, Yield Strength 40,000 psi, Tensile Strength 45,000 psi, 95 Brinell Hardness, B95 Rockwell Hardness, Includes Material Certificate Yes, Standards AMS-QQ-A-200, ASTM B221, Minimum Temperature -320 Degrees F DimensionsThickness0.25 inWidth2-1/2″Length72″Length Tolerance+/-6.000 inWidth Tolerance+/-0.024 inThickness (Decimal)0.25 inWidth and Length2-1/2 in x 72 inOverall Length6 ftOverall Width2 1/2 inDetailsAlloy Type6061FinishUnpolishedTemperT6511MaterialAluminumThickness Tolerance+/-0.008 inAlloy Type – Aluminum6061StandardsAMS-QQ-A-200, ASTM B221Item – Aluminum Flat Bars, Plates, and Sheet StockFlat Bar StockTypical Tensile Strength (PSI)45,000 psiTypeCorrosion ResistantTypical Hardness95ItemFlat Bar StockTypical Yield Strength (PSI)40,000 psiHardness ScaleBHNTensile Strength45,000 psiYield Strength40,000 psiMetal Fabrication ProcessExtrudedStraightness ToleranceNot RatedMaterial Grade6061Rockwell HardnessB95Heat TreatmentPre-HardenedShapeBarBrinell Hardness95Vickers HardnessNot AvailableIncludes Material CertificateYesMechanical FinishMillFabricationExtrudedHeat TreatableYesTolerance RatingStandardMaximum Temperature300 Degrees FMinimum Temperature-320 Degrees FAppearancePlain PAYMENTPayPal is our preferred method of payment. All major credit cards are gladly accepted through PayPal as the payment processor. Your order will be processed pending receipt of cleared payment through PayPal. Sales tax may be charged depending on your location.SHIPPING We offer free shipping to most states and usually ship within 1-3 business days of payment. Depending on availability, some items may come from outside sources. We do not ship to Alaska, Hawaii, APO/FPO, PO Boxes or any US protectorates.RETURNSIf you have any problem with your purchase please contact us first within 5 business days. We will do all we can to fix the issue. Please note that we cannot give refunds if a return is initiated more than 30 days after the delivery of the item.DISCLAIMERIf you need to cancel a transaction, please contact us as soon as possible and we will attempt to cancel the order. If the order has gone too far through the fulfillment process, we will be unable to cancel. In that event, you would need to wait until you receive the item and go through the normal returns process including applicable fees as mentioned in the above returns section.Our electronic products are only designed for use within the USA and come equipped with a standard U.S. voltage plug (110-120V). We cannot guarantee they will work properly elsewhere. Using an adapter or a converter is at your own risk.