Avon metals specialise in manufacturing high grade aluminium casting alloys, usually low iron primary based. our high integrity alloys are used in a wide range of applications, including aerospace and automotive, and are produced to all major uk & international standards including bs 1490. Alloys can also be tailored to in-house customer specifications. lm series including lm0, lm2, lm4, lm6, lm9, lm25