50CrVa CHEMICAL COMPOSITION:

(C):0.46-0.54 ,    (Si):0.17-0.37,         (Mn):0.50-0.80,          (S):≤0.030,
(P)≤0.030,         (Cr)0.80-1.10,           (Ni):≤0.35,              (Cu):≤0.25,(V):

STANDARD:

GB/T 5128
ASTM A401(M)

ASTM A231(M)

ASTM A877(M)