1C004 Category 1C

Uranium titanium alloys or tungsten alloys with a “matrix” based on iron, nickel or copper, having all of the following (see List of Items Controlled).

Category 1: Special Materials and Related Equipment, Chemicals, “Microorganisms,” and “Toxins”

Reasons for control

• NS: National security
• AT: Anti-terrorism

Country chart

List-based license exceptions

Items

1. Items: a. A density exceeding 17.5 g/cm 3;
2. b. An elastic limit exceeding 880 MPa;
3. c. An ultimate tensile strength exceeding 1,270 MPa; and
4. d. An elongation exceeding 8%.

Related controls

See also 1C117 and 1C226.

Source: eCFR, version 2026-08-01, retrieved 2026-08-20T04:04:59+00:00.