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).
Material specification sheet detailing chemical composition and heat treatment procedures.
Identifier | ExFiles\Box 153\2\ scan0136 | |
Date | 15th October 1936 guessed | |
X1300 Carbon .10 to .20 % Sulphur .04 max.% Phosphorous .04 max.% Chrome .75 to 1.1% Nickel 2.75 to 4% Manganese .2 to .5% Silicon .3 max.% Carborise at 880°C. Cool in box. Quench in oil from 880°C. Quench in oil from 780°E.{Mr Elliott - Chief Engineer} Temper for 20 minutes at 200°C. | ||