Bars and billets for forging; forgings and drop-forgings; bars for machining; bright bars. Suitable for 35/45 (P), 45/55 (R), 50/60 (S), 55/65 (T), 75/85 (X) tons/sq in; purchaser to state the condition and ruling section at time of heat treatment. As altered June 1958.
More data from BS 970:1955
From the standard
Notes
Note
When required as plate, sheet and strip order to BS 1449; as wire order to BS 1554 (Rust, acid and heat resisting steel wire) or BS 2056 (Rust, acid and heat resisting steel wire for springs) as appropriate.
Source: BS 970:1955, Part 2, En 56
Status in the 1955 edition
Status
Deleted by Amendment 6
Reason
Amendment 6 (Feb 1970): stainless, heat resisting and valve steels moved to BS 970 Part 4:1970
BS 970:1955 was amended up to Amendment 10 (June 1972); steels were moved to the revised Parts 1 to 5 and deleted from this edition.
Source: BS 970:1955, Amendment slips 6 to 10
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