| 摘要 |
PURPOSE:To obtain a heat resistant Co alloy having superior resistance to erosion by molten glass by adding specified amounts of Cr, Ni, W, Mo, Hf and other elements to Co. CONSTITUTION:This heat resistant Co alloy consists of, by weight, 0.1-1.0% C, 25.5-40.0% Cr, 5-15% Ni, 0.5-5% Hf, 2-12% W and/or Mo and the balance Co. To the basic composition may be added one or more among 0.05-1.0% Mn, 0.5-3.0% Ta and/or Nb and 0.005-0.1% B and/or Zr. The alloy has superior resistance to erosion by molten glass, and it is suitable for use as a material for a vessel contg. molten glass used in the manufacture of glass fiber. |
