Product brief introduction

Y40Mn is carbon free cutting steel in high sulfur, good cutting performance, compared with 45 # steel can be improved more than four times the knives' service life, improve the production efficiency is 30%, have higher strength and hardness, is suitable for machining parts of high rigid requirements, such as screw, polished rod, rack and spline shaft, etc.

Product Parameter

Y40Mn is carbon free cutting steel in high sulfur, good cutting performance, compared with 45 # steel can be improved more than four times the knives' service life, improve the production efficiency is 30%, have higher strength and hardness, is suitable for machining parts of high rigid requirements, such as screw, polished rod, rack and spline shaft, etc.

Technical Equipment

 Tensile strength of sigma b (MPa) : (hot rolled) 590 ~ 735;
(cold drawn after high temperature tempering state) 590 ~ 785

Elongation delta 5 (%) (hot rolled) 14 or higher;
(cold rolled) 17 or more

Reduction of area bits (%) : (hot rolled) 20 or more