Abstract: An air-cast ultra-high strength weathering steel prepared by combining C, Si, Cr, Cu, Mo, Ni, Co, and Fe, wherein the steel has a yield strength of greater than about 230,000 psi, a tensile strength of greater than about 250,000 psi, and an elongation of greater than about 6 percent. In a preferred embodiment, the air-cast ultra-high strength weathering steel includes at least one ingredient selected from the group consisting of V, W, N and mixtures thereof In another preferred embodiment C is present in the range of from about 0.16 to 0.23 percent by weight, Si is present in the range of from about 0.2 to 1.5 percent by weight, Cr is present in the range of from about 2 to 5 percent by weight, Cu is present in the range of from about 0.2 to 2 percent by weight, Mo is present in the range of from about 0.8 to 3 percent by weight, Ni is present in the range of from about 7 to 12 percent by weight, Co is present in the range of from about 13 to 17 percent by weight; and Fe is present in a remaining amount.

Abstract: A titanium alloy and method of making the same are provided. The alloy comprises one or more elements selected from the group consisting of chromium, iron, and manganese. In an as-cast condition, the alloy has a yield strength of at least about 135,000 psi, a tensile strength of at least about 155,000 psi and a percent elongation of at least about 5.0 percent.

Abstract: A method of producing a forged part is described. The method includes the steps of: preparing an ingot consisting essentially of: Element Weight Percent C 0.00-0.35 Si 0.00-1.00 Cr 26.00-30.00 Mo 5.00-7.00 Ni 0.00-1.00 Fe 0.00-0.75 Mn 0.00-1.00 N 0.00-0.25 Co Balance (b) determining the ingot melting temperature; (c) determining the pouring temperature; (d) minimizing the difference between the pouring temperature and the mold temperature to no more than about 100° F.; (e) designing an investment casting preform geometry to achieve uniform reduction in all sections of the part; (f) preparing an investment mold; (g) molding the part by casting; (h) placing the part in a forging die; (i) subjecting the part to one or more forging hits at a forging preheat of between about 1700° F. and about 1800° F. to achieve a reduction of about 15% to about 20%; (j) vacuum annealing the part at between about 1800° F. and about 2400° F.

Abstract: A metal wood golf clubhead is formed from a mold which includes an external gate into which molten metal is poured and internal gates in the mold cavity which facilitate flow of the molten metal into all portions of the mold cavity. The internal gates are located in the portion of the mold cavity which forms the interior surface of the top of the clubhead.