A new type of steel-bonded carbide has been made comprising 50% by weight of a carbde WC(about 33% by volume ) distributed through a medial carbon low--alloy steel matrix substantially making up the balance.

• 一种新牌号的钢结硬质合金,由50%25重量百分数(33%25体积百分数)的碳化钨与中碳低合金钢钢基体组成。