SACM645 1.8507

  • SACM645 1.8507
  • SACM645 1.8507
  • SACM645 1.8507
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 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

<img src="https://img.waimaoniu.net/2326/2326-202104251003154352.jpg" style="width: 800px;" width="800" border="0" vspace="0" title="ejector pin and sleeve 1.8507""/>


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