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).
Data sheet detailing the mechanical properties and applications of Firth-Vickers steels.
| Identifier | ExFiles\Box 142\4\ scan0149 | |
| Date | 25th October 1935 | |
| Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} from Hl. Lt. Smith X1203 HL.2/JC.25. 10. 35. Laboratory. See me please Rm{William Robotham - Chief Engineer} Mechanical Properties 15°C. No. | Name | Typical Applications | Y.P. Tons/in.² | M.S. Tons/in.² | El. % | R.A. % | Brinell | Specifications ---|---|---|---|---|---|---|---|--- 2 | Firth-Vickers Stainless Steel | Turbine Blading Machinery Parts, etc. | 25-35 | 40-50 | 30-20 | 60-50 | 220-240 | B.S.I.S. 62. D.T.D. 199. | Medium carbon 12-14% Cr.{Mr Cra???ster / Mr Chichester} | Cutlery, Knives | - | 100 | - | - | 450-550 | 4 | Firth-Vickers S.80 | Highly Stressed Machinery Parts | 35-50 | 45-60 | 25-15 | 60-45 | 240-280 | D.T.D. 185A. | 18% Cr.{Mr Cra???ster / Mr Chichester}, 2% Ni. | | | | | | | D.T.D. 225. | | | | | | | | D.T.D. 146A. | | | | | | | | B.S.I.S. 80. | | | | | | | | D.T.D. 60.A. | | | | | | | | D.T.D. 163. | | | | | | | | D.T.D. 211. | | | | | | | | D.T.D. 168. Hl. Hc | ||