• EN 10277-5 Standard

    W.NR.: 1.8159/51CrV4

    Special Alloy Steel

    CHEMICAL COMPOSITION

    Analysis according to the EN 10277-5 standard

    C %Si %Mn %P %S %Cr %V %
    From0,47–0,70––0,900,10
    To0,550,401,100,0250,0351,200,25

    MECHANICAL FEATURES

    According to the EN 10277-5 standard

    Thickness
    mm    		Annealed + Cold Drawn
    ( +A+C )
    Hardness HB max
    ≤16311
    >16≤40293
    >40≤80287

    * Delivery condition: soft annealed.

    PROPERTIES

    Weldability:
    Bad weldability due to the high crack danger.

    Hardenability:
    Good hardenability; suitable for pieces of small sizes and for exacting purposes.
    It can be hardened in oil.

    Notes:

    CORRESPONDENCE WITH OTHER STANDARDS (purely as an indication):

    UNI 7845 DIN 17200 ISO 683-1 AISI/SAE AFNOR 35-552
    50CrV4 50CrV4 51CrV4 6150 50CV4