اسم العلامة التجارية
kangheng
الوضعية
plastic mould steel
Grade
42CrMo4 steel/DIN 1.7225/AISI b7 4140/JIS SCM440
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
Surface treatment
Black/Grinded/Machined/Turned
Tolerance
0/+1.0mm(turned) -0/+5.0mm(black)
Surface Treatment
milled/polishing
Technique
plastic mould steel