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IS 318:2003 is the Indian Standard (BIS) for leaded tin bronze ingots and castings. IS 318 specifies requirements for leaded tin bronze ingots and castings. These alloys are widely used for bearings, bushings, valve seats, and pump components due to their excellent wear resistance and anti-friction properties.
Specification for leaded tin bronze ingots and castings covering chemical composition, mechanical properties, casting quality, and testing requirements for various grades used in engineering applications.
Overview
Status
Current
Usage level
Specialized
Domain
Materials Science — Aluminium and Non-Ferrous Metals
IS 318 specifies leaded tin bronze alloys used primarily for bearings, bushings, valve components, and pump parts where anti-friction and wear resistance properties are critical.
What is the most common grade?+
LTB 2 (approximately 10% tin, 5% lead, balance copper) is the most widely used grade for general engineering bearings and bushings.