Astm E125 Reference Photographs Pdf -

These photographs are intended for comparison with actual magnetic particle indications found on production castings. They help manufacturers and purchasers agree on acceptance criteria for specific parts. How to Use ASTM E125 Reference Photographs

The standard covers eight distinct categories of indications, designated by Roman numerals I through VIII: Type I: Linear Discontinuities (Hot tears and cracks) Type II: Shrinkage Type III: Inclusions Type IV: Internal Chills and Unfused Chaplets Type V: Porosity Type VI: Welds Type VII: False Indications Type VIII: Magnetic Anomalies Astm E125 Reference Photographs Pdf

Once an indication appears, identify its type (e.g., crack vs. inclusion). These photographs are intended for comparison with actual

ASTM E125 is a collection of reference photographs used to assist in the classification of discontinuities revealed by the . While the text of the standard itself can be purchased and downloaded as an ASTM E125 Reference Photographs PDF from ASTM International , the actual high-resolution reference images are typically provided as physical charts (Adjuncts) to ensure accuracy in scale and detail. Key Features of the Standard inclusion)

Based on the contract or order requirements, determine if the severity of the indication exceeds the established limit. Acquiring the Document

Most types are categorized into five degrees of severity (1 to 5), where degree 1 represents the least severe condition and degree 5 the most. Porosity is an exception, usually showing only two degrees.

Use the reference photographs (often available as four large charts or "plates") to match the observed indication with a severity level.