Specification Brand : HGYDSER BulletPoint1 : Type : aluminium round bar BulletPoint2 : Material : 2A12 BulletPoint3 : size: OD30X300mm , OD35X300mm , OD40X300mm BulletPoint4 : Usage : Commercial Manufacture BulletPoint5 : quantity: 1pc Color : One Color ExternallyAssignedProductIdentifier : 3080670708182 ItemName : HGYDSER 2A12 T351 / T4 Aluminium Round Bar Aerospace Grade Rod 30mm 35mm 40mm Hard Aluminium Rod(OD30X300mm) ItemPackageDimensions_Height : 1 centimeters ItemPackageDimensions_Length : 3 centimeters ItemPackageDimensions_Width : 2 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : aluminum-rods Manufacturer : HGYDSER ModelNumber : HGYDSER NumberOfItems : 1 PartNumber : HGYDSER ProductDescription : About this item 2A12 aluminum alloy belongs to Al-Cu-Mg series aluminum alloy, main characteristics and application scope: this is a kind of high strength duralumin, can be strengthened by heat treatment, in quenching and hardening state of plasticity medium, spot welding is good, with gas welding when the formation of intercrystal crack tendency, the alloy after quenching and cold hardening its machinability is good, after annealing machinability is low: often using anodic oxidation treatment and paint method or surface coated with aluminum layer 2A12 is mainly used for the production of a variety of high-load parts and components (but not including stamping parts forgings) such as aircraft skeleton parts, skin, frame, wing rib, wing beam, rivet and other working parts below 150.