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).
Stanton Test, Specific Gravity, and Brinell Hardness test results for various alloys.
| Identifier | ExFiles\Box 36\3\ scan 091 | |
| Date | 9th March 1917 | |
| R.R. 238 A (170 H) (S.D. 442, 9-3-17) G 1965. (2) No. Designation. Stanton Test figure Specific Gravity. Hardness Test. 1. P1 53 3.01 85 2. P2 237 Not yet obtained 2.88 62 3. C 1127 3.00 60 4. M1 6254 3.05 79 5. L 878 2.79 Not yet obtained 43 6. H 1780 2.72 54 7. A Not yet obtained 2.90 Not yet obtained 80 8. M2 92* 3.10 79 We have also obtained specific gravity & Brinell test results for some of these alloys and the results are given in the above table. + This is the only Stanton figure not previously reported to Mr. Royce. EFC. | ||