This part of ISO 898 specifies the mechanical and physical properties of coarse thread and fine pitch nuts. Specifies the requirements for threads made of carbon steel and alloy steel when tested in the ambient temperature range of 10 °C to 35 °C.
Nuts that meet the requirements of this part of ISO 898 are considered within this ambient temperature range. It is possible that they do not maintain the specified mechanical and physical properties at elevated or lower levels.
Nuts conforming to the requirements of this part of ISO 898 are used in the applications. It varies between 50 °C and +150 °C. It is the users responsibility to consult an experienced fastener materials specialist.
Information on the selection and application of steels for use at lower and higher temperatures is provided for:
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