Prufi
PRU-190Declared input

Formvar salt-bath caution for unreworked blind holes

Machining · Casting

Scope and limits

INFO: exact declared Formvar salt-bath treatment and rework intent; positively recognized selected flat-bottom blind bores remaining unreworked. No thread, salt-removal or heat-treatment simulation.

Standards and references

UDDEHOLM-FORMVAR-HT-2024

Uddeholm Formvar Heat Treatment Guidelines

Source scope
Explicit Uddeholm Formvar grade and salt-bath heat treatment; selected blind holes with declared rework intent.
Implementation in Prufi
INFO supplier caution: salt bath is not recommended for blind/threaded holes that will not be reworked. Only positively recognized simple flat-bottom blind bores are implemented; thread recognition, conical floors, stepped holes and salt removal are excluded. Supported steel family does not infer Formvar grade.

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