The soft magnetic alloy and magnetic parts

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A soft magnetic alloy comprising a main component having a compositional formula of ((Fe(1−(α+β))X1αX2β)(1−(a+b))MaBb)1−cCc, and a sub component including P, S and Ti, wherein X1 is selected from the group Co and Ni, X2 is selected from the group Al, Mn, Ag, Zn, Sn, As, Sb, Bi, and rare earth elements, “M” is one or more selected from the group Nb, Hf, Zr, Ta, Mo, W, and V, 0.030≤a≤0.14, 0.005≤b≤0.20, 0≤c≤0.040, α≥0, β≥0, and 0≤α+β≤0.50 are satisfied, when magnetic alloy is 100 wt %, P is 0.001 to 0.050 wt %, S is 0.001 to 0.050 wt %, and Ti is 0.001 to 0.080 wt %, and when a value obtained by dividing P by S is P/S, then P/S satisfies 0.10≤P/S≤10.