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Charpy tests of load measuring pins from ČSN 19 312 material
Šperl, Martin ; Gajdoš, Lubomír ; Bejdl, Jan
Charpy tests of load measuring pins from ČSN 19312 steel were carried out at the temperature 20 °C, 0 °C, -20 °C, and\n-40 °C with the aim to verify that Charpy notch toughness of the pins keeps its average magnitude even at -40 °C. The results showed that the steel did not exhibit a typical S-type transit curve in the temperature range 20 °C ÷ -40 °C due to which the Charpy notch toughness at -40 °C practically did not differ from that at higher temperatures.

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