1.254
Grade 1.2542 (also known as or S1 in AISI) is a tungsten-alloyed cold-work tool steel designed for high impact resistance and toughness. Key Properties :
: Heat to 880–920°C and quench in oil (interrupt cooling at approximately 150°C). Grade 1
: Maintains shape well during heat treatment and is resistant to cracking during quenching. Common Applications : Pneumatic Tools : Chisels, riveting heads, and rivet dies. Cutting Tools : Profile shear blades and scrap chisels. Hand Tools : Heavy-duty hand chisels and punches. Heat Treatment Guide : Grade 1