Based on the contract or order requirements, determine if the severity of the indication exceeds the established limit. Acquiring the Document
Conduct a magnetic particle test on a ferrous casting according to ASTM E709 guidelines. Astm E125 Reference Photographs Pdf
Once an indication appears, identify its type (e.g., crack vs. inclusion). Based on the contract or order requirements, determine
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 inclusion)
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