FIELD: metallurgy.
SUBSTANCE: invention relates to the production of metal containers, in particular to the manufacture of beverage bottles, from an aluminum sheet. Method for manufacturing a bottle from an aluminum sheet comprises producing aluminum sheet, made of 3xxx or 5xxx aluminum alloy, wherein the aluminum sheet has a tensile yield strength as measured in the longitudinal direction of 27–33 ksi and an ultimate tensile strength, wherein the ultimate tensile strength minus the tensile yield strength is less than 3.30 ksi (UTS-TYS<3.30 ksi), and wherein the aluminum sheet has a thickness of 0.006 inches to 0.030 inches, drawing and ironing the aluminum sheet to form a container with a dome, necking to reduce the diameter of a part of the aluminum container to form a bottle and finishing treatment of a bottle configured to receive the lid.
EFFECT: invention is aimed at simplifying the process of producing bottles while maintaining a predetermined level of properties.
12 cl, 1 tbl, 9 dwg
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