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40CrMnMoS 8-6 / AISI: P20+S

Delivery Method : Hardened and tempered 280-325 HB

Uses : It can be used as a core in plastic mold applications where brightness and surface quality are not sensitive. Widely used as Mold holder in plastic and metal injection mold systems. The sulfur element in its content provides easy processability to the material. It is not suitable for patterning, primarily through acid.


Chemical Composition (%)CMnCrMoS
% Average 0,401,501,900,200,10
DIN Analysis0,35-0,451,30-1,601,80-2,000,15-0,250,05-0,10

Thermal Conductivity ( W/ m.K )100°C200°C300°C
39,840,439,0

HEAT TREATMENT DATA
 Temperature(°C)Time (Hours)Cooling Environment
Softening Annealing 
700-7502-5*Baked
Stress Relieving
550-6502*Baked
Hardening 
830-870-Oil, hot bath 180-220°C
Tempering 
600-6801 hour for every 20 mm
Air 


*Time interval varying depending on the section.