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).
Tempering graph for Vibrac Steel V.45 showing properties at different reheating temperatures.
Identifier | ExFiles\Box 142\2\ scan0482 | |
Date | 4th March 1940 guessed | |
TEMPERING GRAPH OF VIBRAC STEEL V.45 Material File DIA. OF BAR: 1" HARDENING TEMPERATURE 830°C. QUENCHING MEDIUM: OIL COOLED, AFTER TEMPERING IN AIR. Y-AXIS: TONS PER SQUARE INCH - PERCENTAGES - FOOT POUNDS - BRINELL IN UNITS OF TEN. X-AXIS: REHEATING TEMPERATURE - DEGREES CENTIGRADE. GRAPH LINES: YIELD POINT MAXIMUM STRESS BRINELL HARDNESS REDUCTION IN AREA % ELONGATION % IZOD IMPACT ACTUAL REHEATING TEMPERATURES OF TEST SAMPLES INDICATED BY * | ||