From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Chemical composition and properties of Hadfields' Valve Steel and K.E.965 high Nickel Chrome Steel.
| Identifier | ExFiles\Box 154a\1\ scan0056 | |
| Date | 18th November 1926 | |
| Hs {Lord Ernest Hives - Chair} X1474 Hadfields' Valve Steel. C. .25 Cr. {Mr Cra???ster / Mr Chichester} 14.0 Mn. 1.6 Ni. 28.5 Si. 2.5 W. 2.0 Will not harden in air from anything below 1100°C. K.E.965. K.E.965 is a high Nickel Chrome Steel with a little Tungsten present, the general composition of which is:- Carbon. .45 / .50% Chrome. 12.0% Nickel. 12.0% Tungsten. 2.0% By RECEIVED NOV 18 1926 HS {Lord Ernest Hives - Chair} 18.11.26. | ||