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ASTM-B-209 QQ-A-250/2

Principal Design Features
3003 Aluminum is alloyed with 1.20% manganese, which increases the strength of 3003 over commercially pure aluminum (1100 series). 3003 has excellent workability, weldability and good corrosion resistance. It is used for drawing, forming, spinning, fuel tanks, sheet metal works and other applications that require moderate strength for aluminum with good weldability. H14 designates the temper and means that 3003 has been strain hardened and partially annealed. In this condition, 3003 can be easily formed. Embossing or debossing 3003 in this temper should not strain or crack the aluminum.

3003-H14 is widely used for stampings, spun and drawn parts and products, cooking utensils, chemical equipment, builder’s hardware, storage tanks, truck and trailer components, mail boxes, cabinets, fan blades, awnings, siding, kitchen equipment, decorative trim, architectural uses, signage applications, etc. Where greater strength is required, consider 5052-H32. 3003-H224 is a designation for a variety of tread designs for tread plate, this product is often used for walk ways, bump zones trailer decks etc.

Machinability for 3003-H14 is considered good.


3003-H14 is readily welded using common welding techniques.

Heat Treatment
3003-H14 is not heat treatable.

For more technical information on this product, download the Product Data Sheet at the top of the page or contact our friendly professional sales team for assistance.

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Item #



S03-051.050-EF N/A 3003-H14 Flattend-Expanded Sheet 0.500# 0.051" N/A Flattened Expanded
S03-051.075-EF N/A 3003-H14 Flattend-Expanded Sheet 0.750# 0.051" N/A Flattened Expanded
S03-081.050-EF N/A 3003-H14 Flattend-Expanded Sheet 0.500# 0.081" N/A Flattened Expanded
S03-081.075-HF N/A 3003-H14 Heavy Flattend-Expanded Sheet 0.750# 0.081" N/A Flattened Expanded
S03-081.150-EF N/A 3003-H14 Flattend-Expanded Sheet 1.500# 0.081" N/A Flattened Expanded
S03-125.075-EF N/A 3003-H14 Flattend-Expanded Sheet 0.750# 0.125" N/A Flattened Expanded
S03-125.150-EF N/A 3003-H14 Flattend-Expanded Sheet 1.500# 0.125" N/A Flattened Expanded
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