Provided is a sheet of sintered tungsten alloy that can be molded into a complex shape by press processing or forge processing. The sheet of sintered tungsten alloy includes: 85-98 mass% W; 1.4-11 mass% Ni; and 0.6-6 mass% of at least one species selected from the group consisting of Fe, Cu, and Co; the sheet of sintered tungsten alloy having a coefficient of extension in the planar direction of 20% or greater.
