Co 4.0%, WC balance. Designed to fit W1705, W1718, W1741S, W1741SW, W1742S, W1742SW, W1744S, W1754S, W1754SW, W1755S. 305.000 P.S.I. Transverse rupture strength Fine grain 0.8 - < 1.3 µm. Grain size.
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