BÖHLER S690 MICROCLEAN – "The simple one" The tough high-speed steel for challenging machining and cold forming.
High speed steel produced by powder- metallurgy methods with good red hardness, compressive strength and wear resistance. The PM technology imparts to the material also excellent toughness and machinability properties, e.g. highly satisfactory grindability.
|Compressive strength||Grindability||Red hardness||Toughness||Wear resistance|
|1.3351||HS6-5-4||AISI: ~ M4|
Chemical composition (average %)