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).
Buick Motor Company steel specifications chart listing chemical compositions for various steel types.
| Identifier | ExFiles\Box 124\3\ scan0283 | |
| Date | 19th January 1935 | |
| PAGE NO. 2. NO. PAGES 2. BUICK MOTOR COMPANY STEEL SPECIFICATIONS 1/24/34 SPEC. NO. | CARBON | MANGANESE | MAX. PHOS. | MAX. SULFUR | SILICON | NICKEL | CHROMIUM | MOLY - 5140-A | .40-.45 | .50-.80 | .040 | .050 | .15-.30 | | .80-1.10 | GMC-81705 | .10 MAX. | .30-.60 | .030 | .030 | | | 5.0 - 18.0 | " X81705 | .10 MAX. | .30-.60 | .030 | .030 | .75-1.25 | | 15.0 - 18.0 | " 82035 | .25-.45 | .50-.80 | .030 | .030 | | 18.50-21.50 | 7.0 - 9.0 | - 9255 | .52-.62 | .60-.90 | .040 | .050 | 1.80-2.20 | | | - 9260 | .55-.65 | .60-.90 | .040 | .050 | 1.60-2.20 | | | GMC-2315-A | .13-.18 | .30-.60 | .040 | .050 | .15-.30 | 3.25-3.75 | | " 2515-A | .12-.17 | .30-.60 | .040 | .050 | .15-.30 | 4.75-5.25 | | RIL 93 OR ) SIL. NO. 1 ) | .40-.50 | .30-.50 | .030 | .035 | 3.00-3.50 | | 8.0 - 10.0 | MB WIRE | .50-.65 | .50-.80 | .050 | .050 | .20 MAX. | | | WHB WIRE | .55-.65 | .65-.95 | .040 | .045 | | | | X - 1065 | .60-.70 | .60-.90 | .025 | .025 | | | | ROLLS-ROYCE, LTD PRINT ROOM 19 JAN 1935 DERBY. | ||