Last Updated version 2023.12
Bolting Material
Material: A brief description of the component material. When the material selection dialog is used, the default description is based on settings on the Materials-Misc. tab under Tools > Defaults. For example, if the settings are for Spec and Type/Grade and the material is SA-516 Grade 70, this field will show SA-516 Gr. 70. If the settings are instead just for Spec, the field will show SA-516. The field may be edited by the user to say anything without breaking the relationship to the material database; while this flexibility can be very helpful, the user must take care to enter correct information.
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Root Area: The bolt root area based on the smallest diameter on the bolt. This field will automatically be completed if the Bolt Search is used to select the bolts.
Unthreaded Area: The least diameter of any unthreaded portion. ASME PCC-1, Nonmandatory Appendix H contains root areas for common bolt sizes that may be used. This field will automatically be completed if the Bolt Search is used to select the bolts.
Bolt Hole Diameter: The bolt hole diameter, not the bolt circle diameter. This field will fill in automatically if the Bolt Search is used to select the bolts; the value will be determined based on the bolt nominal diameter.
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Apply Bolt Correction Factor: Select Appendix 2 to determine if a correction factor is applicable per Appendix 2, Section VIII-I. This is ascertained by checking the chord length between the centers of two adjacent bolt holes; if a correction factor is required, the moment on the flange will be multiplied by the correction factor. When Appendix 2 is selected, there is a maximum chord length that cannot be exceeded for the design to pass.
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