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Chemical composition and properties of 3003 aluminum alloy introduced


3003 for the AL-Mn series aluminum alloy, is the most widely used as a rust-proof aluminum, the strength of the aluminum alloy is not high (slightly higher than the aluminum industry) can not be heat strengthened, so the use of cold working methods to improve its Mechanical properties: in the annealed condition has a high plasticity, in the half-cold hardening plasticity is still good, when the plastic work hardening is low, good corrosion resistance, good weld ability, mach inability bad. Mainly used for high plasticity and good weld ability, working in a liquid or gaseous medium low load parts, such as fuel tanks, gasoline or oil conduit, with a variety of liquid containers and other small loads produced by deep drawing parts: 3003 aluminum wire used to make the rivet formability, welding properties, corrosion resistance were good. For processing need to have good formability, high corrosion resistance and good solder ability component parts, or both of these performance requirements and the need for higher intensity than the 1-series aluminum alloy work, such as kitchen utensils, food and chemical products processing and storage devices, tank transport of liquid products, cans, sheet metal processing to various pressure vessels and piping general objects, heat sinks, makeup board, photocopier rollers, ship timber.


Physical properties


Chemical composition:


Si Si: 0.60


Iron Fe: 0.70


Copper Cu: 0.05-0.20


Manganese Mn: 1.0-1.5


Zinc Zn: 0...10


Other: single 0.05 Total 0.15


Al Al: margin


Mechanical Properties


Tensile strength σb (MPa)) 142-178


Conditions yield strength σ0.2 (MPa)) 115


Sample Size: All Thickness


NOTE: Pipe Longitudinal mechanical properties at room temperature


Thermal processing and heat treatment temperature


Homogenizing annealing temperature of 590 ~ 620 , the hot rolling temperature is 480 ~ 520 , an extrusion temperature of 320 ~ 480 , the typical annealing temperature of 413 , air cooling.


Chemical properties


Corrosion resistance: excellent corrosion resistance of aluminum alloy 3003, close to the industrial aluminum corrosion resistance of the atmosphere, fresh water, sea water, food, organic acids, petrol, water and other neutral salts have good corrosion resistance In dilute acid corrosion resistance is also very good.


Corresponding trademark standard


GB: 3003 GB / T 3190-1996


ISO: AlMn1Cu ISO 209.1-1989


JIS: A3003 JIS H4000-1999 JIS H4100-1999


Non-standard: 31000 IS 736-2001


Russian standard: AMu / 1400 FOCT4785-1974


EN: EN AW-3003 / AlMn1Cu EN 573-3-1994


DIN: AlMnCu / 3.0517 DIM1725-1-1986


French standard: 3003 (A-M1) NFA50-411 NFA50-451


British standard: 3103 (N3) BS 1470-1988


American Standard: 3003 / A93003 AA / UNS

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