JIS SUS440A ASTM 440A

  • JIS SUS440A ASTM 440A
  • JIS SUS440A ASTM 440A
  • JIS SUS440A ASTM 440A
JIS SUS440A ASTM 440A

JIS SUS440A ASTM 440A 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.
Annealing ≤HB255,pre-hardened HRC 40-46/HRC50-55.

PRODUCT :   AISI 430/ DIN X8Cr17/1.4016/SUS430 ROUND BARS

                         

CHEMICAL COMPOSITION: 

C

Si

Mn

P

S

Cr

Ni

Mo

0.60-0.75

1.0

1.0

0.035

0.030

16.0-18.0

≤0.6

≤0.75

 

Specifications:

DELIVERY HARDNESS:   ≤255HB

DELIVERY CONDITION:

1. Cold drawn round bar

2. Centerless grinding round bars

3. Peeling round bar

DIAMETERS : FROM 2mm TO 35mm 

DIAMETER TOLERANCE :  h7,h8,h9,h10

DELIVERY  LENGTHS: FROM  1 METER TO METERS

STRAIGHTNESS:0.5MM/M

 

Characteristics :

Have agood toughness and small deformability

 

Applications :

Precision parts and shaft

<img src="https://img.waimaoniu.net/2326/2326-202104251003154352.jpg" style="width: 800px;" width="800" border="0" vspace="0" title="ASTM 440A""/>


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