Grade
Steel Price 4140 precio del acero
Surface treatment
Black/Grinded/Machined/Turned
Production route
EF/EAF+LF+VD/ESR
Quality inspection
UT, Chemical test, Microstructure, Physical properties etc.
UT test standard
SEP1921-84 class3 C/c to D/d
Tolerance
0/+1.0mm(turned) -0/+5.0mm(black)
Special Use
High-strength Steel Plate
Surface Treatment
Black surface/ Grinded/ Machined