3003-H14 Aluminum Sheet Blanks

3003-H14 aluminum sheet blanks are the most widely used aluminum alloy for forming, drawing, and general sheet metal work where moderate strength and excellent workability are the primary requirements. The 3003 alloy is essentially commercially pure aluminum with a 1.0-1.5% manganese addition that increases strength by approximately 20% over 1100 series pure aluminum while maintaining nearly equivalent formability and corrosion resistance. 3003-H14 is the standard material for HVAC ductwork fabrication, where it is roll-formed, seamed, and bent into rectangular and round duct sections. The alloy's low hardness and high ductility allow it to pass through roll-forming equipment without cracking, while the H14 temper provides sufficient rigidity to maintain duct shape. The alloy's corrosion resistance and non-toxic nature make it approved for food-contact applications. Bakeware, cooking pots, storage containers, and food processing equipment are commonly fabricated from 3003 sheet. Its high thermal conductivity ensures even heat distribution in cookware applications. 3003 is not a good candidate for CNC machining because its softness produces gummy, difficult-to-evacuate chips and poor surface finish. For machining-intensive parts, 6061-T6 is always the better choice. 3003-H14 sheet blanks are best suited for operations dominated by shearing, bending, punching, roll forming, and spinning. Our blanks are sheared from certified mill coil stock in thicknesses from 0.025 inches through 0.125 inches.