SACM645 1.8507
SACM645 1.8507 General cold work die steel with good machinability,to be made die casting mold,extrusion and injection mold and ejector pins,ejector sleeve,punches,block gauge,measuring tools.
High wear resistance,high toughness,small deformation caused by heat treatment.
Have a high and uniform hardness after heat treatment,heat resisting,resistance to high temperature oxidation,good toughness,machinability and weldability.
Pre-hardened 32-36HRC 40-45HRC.
PRODUCT : DIN 1.8507/ JIS SACM645/ GB 38CrMoAl QUENCHED AND TEMPERED ROUND BARS
CHEMICAL COMPOSITION:
C | Si | Mn | P | S | Cr | Mo | Al |
0.35-0.42 | 0.20-0.45 | 0.30-0.60 | ≤0.03 | ≤0.03 | 1.35-1.65 | 0.15-0.25 | 0.70-1.10 |
Specifications:
DELIVERY HARDNESS: QUENCHED & TEMPERED 45-48HRC OR AS PER CUSTOMER REQUEST
DELIVERY CONDITION:
1. QUENCHED & TEMPERED BLACK ROUND BRS
2. QUENCHED & TEMPERED CENTERLESS GRINDING ROUND BRS
DIAMETERS : FROM 2mm TO 35mm
DIAMETER TOLERANCE : AS PER DIN 175 OR EQUIVALENT ISO h7,h8,h9
DELIVERY LENGTHS: FROM 1METER TO 6 METERS
STRAIGHTNESS:0.5MM/M
Characteristics :
Have a good mechanical property and good nitriding property, the surface hardness can be reached more than 800HV
Applications :
To be made Ejector pin.
Heat Treatment :
Quenched in 940°c,tempered in 640 °c
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