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#440C Stainless Steel Grade Specifications

  Ball Specifications

Material:

AISI TYPE 440 C

Hardness:

58 - 65 HRC

Density:

7.7gms /cc .

Chemical Composition:

C - 0.86  ---  1.20%

 

Cr - 16.0 --- 18.0%

Mn - 1.0% MAX

 

Si - 1.0% MAX

P - .04% MAX

 

S - .03% MAX

Ni - 7.5% MAX

 

Mo - 1.0% MAX

Remarks:

 

Moderate cost, recommended for average corrosion and abrasion conditions. Magnetoconductivity

 

Seat Specifications

Material:

AISI TYPE 440 C

Hardness:

52 - 56 HRC

Density:

7.7gms /cc

Chemical Composition:

C - 0.86  --- 1.20%

 

Cr - 16.0 ---  18.0%

Mn - 1.0% MAX

 

Si - 1.0% MAX

P - .04% MAX

 

S - .03% MAX

Ni - 7.5% MAX

 

Mo - 1.0% MAX

Remarks:

 

Moderate cost, recommended for average corrosion and abrasion conditions. Magnetoconductivity

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