BS 4S 99:1976
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Specification for 2.5% nickel-chromium-molybdenum (high carbon) steel billets, bars, forgings and parts (1230-1420 MPa: limiting ruling section 150 mm)
Hardcopy , PDF
15-01-1994
English
30-11-1988
Describes inspection and testing of heat resisting alloys used for aerospace purposes. Covers forgings, plate, strip, tubes and bars. Gives chemical composition and mechanical properties. Covers 2.5% nickel-chromium-molybdenum steel.
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