M35 HIGH-SPEED STEEL

 
Bend strength of a bar with diameter 5 mm after hardening and tempering to 
560°C / 1040°F, 2x1 h.
Rmb
Reb 
HRC
= Ultimate bend strength kN/mm² , ± 10%  
= Bend yield strength kN/mm² , ± 5%
= Hardness ± 1 HRC