표준
AISI, ASTM, bs, DIN, GB, JIS
모델 번호
40 CrNiMoA/4340/1.6582
Grade
40CrNiMoA/4340/1.6582
Surface treatment
Black/Grinded/Machined/Turned
Production route
EF/EAF+LF+VD/ESR
Quality inspection
UT, Chemical test, Microstructure, Physical properties etc.
Delivery condition
Annealed
UT test standard
SEP1921-84 class3 C/c to D/d
Tolerance
-0/+2.0mm (machined)