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).
Comparison table of mechanical properties for Asarcoloy No.7 and Babbitt cadmium-nickel bearing alloys at various temperatures.
| Identifier | ExFiles\Box 126\3\ scan0065 | |
| Date | 3rd May 1934 guessed | |
| 1065. CADMIUM-NICKEL BEARING ALLOY. | | Asarcoloy No.7. | Babbitt. | |---|---|---| | Brinell hardness at......... 82 deg.F. | 33 | 24 | | " " " ......... 212 " F.{Mr Friese} | 22 | 12 | | " " " ......... 390 " F.{Mr Friese} | 7 | 4 | | Yield point in tension lbs./sq.in......... | 11,700 | 8,500 | | Elongation at............... 82 deg.F. | 19 | 10 | | " " ............... 212 " F.{Mr Friese} | 36 | 24 | | " " ............... 390 " F.{Mr Friese} | 111 | 86 | | Reduction of area at........ 82 " F.{Mr Friese} | 43 | 12 | | " " " " ........ 212 " F.{Mr Friese} | 52 | 38 | | " " " " ........ 390 " F.{Mr Friese} | 76 | 76 | | Compression strength (10% reduction in gauge length) lbs.per sq.in. | | | | at.................... 82 " F.{Mr Friese} | 21,800 | 14,000 | | "...................... 212 " F.{Mr Friese} | 14,300 | 8,300 | | "...................... 390 " F.{Mr Friese} | 4,400 | 2,300 | | ||