Rolls-Royce Archives
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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 *
  
  


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