Astm E125 Reference Photographs Pdf [top] -
: The reference photos show indications created with specific parameters: a peak current of 600 to 800 A and prod spacing of 4 to 10 inches Steel Founders’ Society of America How to Access the Reference Photographs
(e.g., identifying cracks vs. non-relevant indications)
The images are not generic drawings; they are actual photographs of magnetic particle indications on production steel castings, reproduced at actual size. The standard also details the specific testing parameters used to create them, such as a magnetizing current of 600 to 800 A and a prod spacing of 4 to 10 inches. Astm E125 Reference Photographs Pdf
The reference photographs are divided into five main types of defects commonly found in steel castings: (Hot tears and cracks) Type II: Shrinkage
Plate 3: Internal Chills and Unfused Chaplets, Porosity, and Welds : The reference photos show indications created with
The heart of ASTM E125 lies in its adjunct, a collection of four large reference charts featuring 47 annotated photographs. These 38x20-inch charts provide the actual size and appearance of indications, derived from real-world production castings.
Sharp, narrow indications, often caused by thermal stress or improper cooling. The reference photographs are divided into five main
The technician compares the size, density, and length of the indication against the graded reference photographs within that specific category.
What (e.g., valves, gears, structural) are you targeting?
It serves as an essential tool for Level I and Level II NDT trainees to learn the nuances of MPI indications. How to Access ASTM E125