In this article, we will break down what ASTM E155 actually specifies, how to interpret porosity levels (Level 1 through Level 5), why you need a properly formatted , and how to use these reference standards correctly in daily QA/QC workflows. What is ASTM E155? ASTM E155 – officially titled "Standard Reference Radiographs for Inspection of Aluminum and Magnesium Castings" – is not just a text document. It is a combination of a written standard and a set of actual radiographs (or digital images) showing graded discontinuities.
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(Note: These are illustrative – actual values vary by thickness.) Many professionals confuse ASTM E155 with other documents. Here is a quick comparison: In this article, we will break down what
A: ASTM E505 covers reference radiographs for aluminum die castings only. E155 covers sand, permanent mold, and investment castings. It is a combination of a written standard
However, anyone who has worked with these documents knows the struggle. The original PDFs are often bulky, scanned inconsistently, or split across multiple volumes. This is where the demand for an comes into play.
