Steel for Shaft AISI 4140, AISI 4340, SCM415, SCM435, SCM440
Keterangan
Steel for Shaft
AISI 4140, AISI 4340, SCM415, SCM435, SCM440
Round Bar, and Rod,
source: http: / / beyond-steel.blogspot.com/ 2011/ 08/ steel-round-bar-scm440-using-for-sh aft.html