✅ Why Charpy Impact Testing is Critical in PQR Qualification When qualifying a Welding Procedure (PQR), most people focus on tensile and bend tests. But there’s one test that ensures safety in extreme conditions – Charpy Impact Test. Why is it important? It proves the weld’s toughness – its ability to absorb energy and deform plastically before fracture. 🔍 Think of it this way: Tensile test → Strength Bend test → Ductility Charpy test → Toughness 1️⃣ The Core Issue: Brittle vs. Ductile Failure

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