Prufi
PRU-162Declared input

Tooling hole web below heat-treatment advice

Machining · Casting

Scope and limits

INFO only: explicitly pre-hardening steel die-casting tooling, full parallel void bores with overlapping axial spans and solid intervening midpoint. Wall below 6mm supplier recommendation; no NADCA certification or crack simulation.

Standards and references

PAULO-TOOLING-HEAT-WEBS-2023

AST-Paulo — Guide to Crack Risk Management in Tooling

Source scope
Declared steel die-casting tooling, holes drilled before hardening; selected parallel full cylindrical bores.
Implementation in Prufi
Supplier summarizes NADCA 207:2022 recommendation at least 6mm material between holes, 10mm optimal. INFO screen on axis separation minus radii with overlapping axial spans and material midpoint. Licensed NADCA text not verified; ambiguous internal-radius inch/mm values deliberately unused. No universal steel rule or crack prediction.

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