PPAP/APQP for castings, control plans and sampling that buyers can audit. Coverage of spectrometer & tensile, hardness, NDT (UT/MT/RT/PT), leak tests and traceability. Templates align with ISO 9001/IATF expectations.
Guided by YBmetal , PPAP for iron castings: gray/grey & ductile iron castings with machining, simulation-led gating/risers, and traceable QA packs for PPAP/FAI. Excerpt: This guide shows how to pick PPAP levels for iron castings and which documents actually matter—beyond the generic list. Use our risk-based level matrix, foundry-specific document set, and pilot run plan…
Shrinkage porosity in iron is one of the most damaging defects in gray/grey and ductile (SG/EN‑GJS) iron castings. This guide gives you reliable detection methods, actionable prevention, and a proof package buyers can trust—so you can go from problem to PPAP‑ready. What is shrinkage porosity in gray/grey & ductile iron? Definition. Shrinkage porosity (also called…
A realistic playbook for PPM, DPPM, OTD, and COPQ in iron castings (foundry quality KPIs). Get clear formulas, target ranges by industry/complexity, and YB Metal quality gates—even before you RFQ. TL;DR — realistic targets you can buy against Definitions & formulas (agree the math first) KPI What it measures Formula Notes PPM (Parts Per Million)…