OVERVIEW: The 83.4mm APFSDS-T (Armor-Piercing Fin-Stabilized Discarding Sabot - Tracer) tank ammunition is designed to defeat armored vehicles by penetrating enemy armor using a high-velocity kinetic energy penetrator.

DETAILS: This round consists of a sub-caliber, dense penetrator rod made from tungsten or depleted uranium, The APFSDS-T round is effective against a wide range of armored threats, delivering rapid armor penetration through kinetic energy impact without explosive warheads.

ROLE SUMMARY:
Category: Tank Gun Ammunition
Primary Use: Anti-armor penetration
Function: High-velocity kinetic energy penetrator to defeat armor
Strong Against: Medium to heavily armored vehicles, main battle tanks
Weak Against: Reactive armor, spaced armor, and targets with advanced active protection systems
Platform: Main battle tanks and armored fighting vehicles equipped with 83.4mm guns
Integration: Compatible with relevant tank gun systems

SOURCE:
Janes Ammunition Handbook
https://en.wikipedia.org/wiki/Armor-piercing_fin-stabilized_discarding_sabot