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IS 1648:2018 is the Indian Standard (BIS) for aluminium alloy die castings for engineering purposes. IS 1648 covers aluminium die castings for engineering/structural use — higher mechanical property requirements than IS 7138 (general die castings). Includes porosity/soundness requirements since engineering castings may be pressure or load bearing.
Specification for aluminium alloy die castings for structural and engineering applications requiring higher mechanical properties than general die castings.
Overview
Status
Current
Usage level
Specialized
Domain
Materials Science — Aluminium and Non-Ferrous Metals
IS 1648 = engineering/structural grade (higher strength, soundness inspection). IS 7138 = general/commercial grade (lower requirements, no soundness test). Specify IS 1648 for load-bearing parts.