Specification for wrought steels for mechanical and allied engineering purposes. Requirements for steels for the manufacture of hot formed springs.

NEPLATNÁ vydána dne 31.10.1988

Specification for wrought steels in the form of blooms, billets, bars and forgings. Steels for case hardening.

NEPLATNÁ vydána dne 1.1.1971

Specification for wrought steels for mechanical and allied engineering purposes. Bright bars for general engineering purposes.

NEPLATNÁ vydána dne 20.12.1991

Specification for wrought steels for mechanical and allied engineering purposes. Requirements for carbon and carbon manganese steels for case hardening including free cutting steels.

NEPLATNÁ vydána dne 1.1.1973

Specification for wrought steels for mechanical and allied engineering purposes. Valve steels.

NEPLATNÁ vydána dne 12.2.1970

Specification for wrought steels in the form of blooms, billets, bars and forgings. Carbon and alloy spring steels for the manufacture of hot formed springs.

NEPLATNÁ vydána dne 22.4.1974

Specification for wrought steels for mechanical and allied engineering purposes. SI metric values (for use with BS 970:Parts 4 and 5).

NEPLATNÁ vydána dne 1.8.1983

Wrought steels in the form of bars, billets, light forgings and stampings up to 6 in ruling section for general engineering purposes.

NEPLATNÁ vydána dne 1.1.1941

Indexing of specifications to EN series BS 970 and to the T.A.C schedule.

NEPLATNÁ vydána dne 30.3.1942

Wrought steels for use up to 6 in. ruling section for automobile and general engineering purposes.

NEPLATNÁ vydána dne 1.5.1947