Castings: Quality Inspection for Steel Castings

The Quality Inspection for Steel Castings course details some of the more common methods used to evaluate a steel casting for compliance to a customer’s specification requirements. Relevant for quality and inspection roles, this course focuses on the most common quality non-conformances observed during the visual inspection of steel castings and standard non-destructive testing (NDT) methods used for casting evaluation.

Learning Objectives

  • Understand the difference between an indication and a non-conformance.
  • Determine if something is an indication or non-conformance.
  • Identify the most common quality non-conformances observed in steel castings.
  • Describe standard non-destructive testing methods for evaluating steel castings.
Course Length: 2 HRS

Table of Contents

Non-Conformance Identification

  • What is a “Non-conformance”?
  • How a Non-conformance is Identified

Visual Inspection

  • Volumetric Non-Conformances
    • Hot Tears or Cracks
    • Shrinkage
    • Inclusions
    • Gas Porosity
  • Surface Indications
    • Veining
    • Rat Tails
    • Wrinkles, Laps, Folds, and Cold Shut
    • Cutting Marks
    • Chaplets
    • Weld Repair Areas
    • Surface Roughness

Non-Destructive Testing

  • Magnetic Particle Testing (MT, MPI, or MPT)
  • Liquid Penetrant Testing (PT, LPI, FPI, or DPT)
  • Radiographic Testing (RT)
  • Ultrasonic Testing (UT)
  • Leak Testing

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