Metaspec manufactures test specimens used in quality testing by military specification MIL-DTL-13924, which covers black oxide coating for ferrous metals.
The following test in Specification MIL-DTL-13924 requires metal test specimens. Click on the test method number for more information.
MIL-DTL-13924 §4.4.4.1 Hydrogen Embrittlement Relief (see ASTM F519)
To read or download this specification, click below.