Here is the full list of all 43 Steel Armor: Blaze of War achievements.
Eliminated 50 enemy soldiers
Eliminated 100 enemy soldiers
Destroyed 10 enemy armored vehicles
Destroyed 25 enemy armored vehicles
Captured 10 enemy soldiers
Captured 20 enemy soldiers
Captured 3 vehicles
Captured 10 vehicles
Eliminated 10 enemy soldiers with single squad or vehicle
Eliminated 20 enemy soldiers with single squad or vehicle
Eliminated 50 enemy soldiers with single squad or vehicle
Destroyed 3 armored vehicles with single squad or vehicle
Destroyed 5 armored vehicles with single squad or vehicle
Destroyed 2 armored vehicles with single infantry squad
Destroyed 4 armored vehicles with single infantry squad
Called 2 airstrikes
Called 3 airstrikes
Called 3 artillery strikes
Single squad or vehicle got 5 medals
Single squad or vehicle got 10 medals
Got 15 medals in a single battle
Got the highest award
Won a battle with one last soldier
Eliminated all enemy soldiers
Won a battle with no casualties
Won a battle with 3 to 1 kill ratio
Won a battle with 5 to 1 kill ratio
Captured all flags in a tactical battle
Destroyed the entire enemy force in the operational phase
Destroyed the key enemy unit
Completed all tasks of the operation
Tank driving task completed
Combat mission completed
Gunnery task completed
Combat mission completed at night
Established smokescreen 3 times in battle
10 hits in a row without a miss
Repaired tracks 2 times in battle
Drifted 5 times on tank in battle
Traveled more than 10 km in battle
Killed more than 10 enemy soldiers using secondary weapon
Ran over more than 5 enemy soldiers
Fought in difficult conditions