P-20

Steel availability

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    ASK FOR EXISTENCE    

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Average Chemical Analysis

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                  C      Yes     Mn     P     S      Cr     Neither     Mo  W   V   Others     BHN / HRC

    P-20         0.35   0.35   .85   0.01  0.03  1.50   0.45  0.45   -     -      -          325 +  

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Heat treatment

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               Temper temperature (° C)         Cooling Medium (° C)            Tempering (° C)

    P-20          840-870                    Oil-Salt Bath                 105-650

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Features and Applications

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    P-20

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Steel in excellent polished optical properties with good machining, it is no longer necessary to pre-machine large plates to send them to heat treatment. nickel content increases hardenability.