BBT shank Taper Arbor

1, -185 ℃ Ultra-yakareba yakadzika kutonhora kurapwa, zvekuti ingangoita yese yekutora chikamu austenite shanduko kune martensite;
2, Kunaya kwenanoscale carbide particles, kuwedzera kuoma uye kuoma;
3, Deredza kutora chikamu chekushushikana, kupfeka kuramba kwakavandudzwa zvakanyanya;