MaTestLab > Test Standards > ASTM E1815 Standard Test Method for Classification of Film Systems for Industrial Radiography
Last updated 17th March 2025
ASTM E1815 Standard Test Method for Classification of Film Systems for Industrial Radiography
The ASTM E1815 method describes how to evaluate the performance of film systems in industrial radiography and establishes minimal requirements that are in line with system classes. It only pertains to films of the direct exposure variety that is used with screens that amplify lead. For film systems used in industrial radiography, the ASTM E1815 approach provides a relative classification that takes into account both the film and its processing system. Specifying bodies and contractual parties can reach an agreement on system classes that produce consistent and dependable image qualities for their intended uses by publishing classes for industrial radiography film systems.
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ASTM E1815 Introduction
ASTM E1815 test method gives a relative means of classifying industrial radiography film systems. The film system consists of the film and the processing system that goes with it. Only direct exposure-type film exposed with lead-enhancing screens should be tested using this procedure. MaTestLab is one of the best testing service providers, with the best network of testing laboratories in the USA to carry out ASTM E1815 tests for our clients. This test method cannot accurately measure the performance of films exposed to fluorescent light-emitting screens.
ASTM E1815 Test Method
Sample Exposure
The film samples need to be exposed to tungsten target tubes’ X-rays.
Measurement of Gradient and Granularity
The D against K curve is used to compute the gradient. Using a microdensitometer, granularity is measured by scanning a uniformly diffuse optically dense film in a linear or circular pattern.
ASTM E1815 Equipment and Sample Preparation
Specimen Detail
A mechanism for categorizing industrial radiography film systems is offered by ASTM E1815.
Specimen Size
The inlet aperture of the microdensitometer should have a diameter that is between 1.2 and 2 times that of the exit aperture, and it should be roughly round.
ASTM E1815 Test Result and Interpretation
By laying out a rigorous classification technique, the ASTM E1815 offers a helpful tool for assessing the efficacy and suitability of industrial radiography film systems for a variety of non-destructive testing applications.
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ASTM E1815
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Tests Related to ASTM E1815
ASTM E1815 is related to tests including ASTM E94 for radiographic evaluation, ASTM E999 for industrial radiographic film processing, and ASTM E1079 for densitometer calibration.
Use of ASTM E1815 in Various Industries
The standard is critical to the aerospace, automotive, construction, and energy industries in evaluating and qualifying non-destructive radiographic film systems based on safety and quality standards.
Materials Commonly Tested with ASTM E1815
It tests for structural reliability in metals such as steel, aluminum, and titanium, composite materials, and weldments. In radiographic inspection, internal flaws are detected so that the results comply with the industry standards.
Common Challenges and Troubleshooting in ASTM E1815 Testing
Image quality and film processing variability are some of the challenges encountered in testing. Troubleshooting involves problems with inadequate exposure, improper handling, and chemical processing deviations. Calibration and adherence to test parameters must be ensured to obtain reliable results.
Safety and Best Practices in ASTM E1815 Testing
Testing focuses on radiation safety, following guidelines for shielding, exposure limits, and PPE. Best practices include regular equipment maintenance, proper film storage, and thorough personnel training to minimize risks and ensure high-quality results.
Importance of ASTM E1815
The standard method is important for the faithful reproduction of quality images within radiographic film systems, for defect detection, quality assurance protocols, and improvement of the reliability and safety of the final product.
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FAQ's
Where can I get the astm e1815 tested?
You can share your astm e1815 testing requirements with MaTestLab. MaTestLab has a vast network of material testing laboratories, spread across the USA and Canada. We support your all material testing needs ranging from specific astm e1815 test to various testing techniques.
How much do I need to pay for the astm e1815 test?
Please contact us for a detailed quote for your astm e1815 testing needs. Cost incurred to carry out different astm e1815 testing methodology depends on the type of raw material; number of samples, coupons, or specimens; test conditions, turn around time etc. Costs of some ASTM testing methods start from $100 and the final value depends upon the factors listed above. Please contact us for the best and latest prices.
How many samples are required for astm e1815?
The required number of samples or specimens should comply with the procedure given in the astm e1815 standard. However, the MaTestLab operations team can assist you for your special requirements once you share your testing details with us.
How much discount can I get on the astm e1815 test?
MaTestLab has a vast testing laboratory network, hence we bring you the best testing facilities in a cost-effective way. We offer considerable discounts (15-20%) to our returning customers based on test volume and frequency.
How many days will it take to complete the astm e1815 test?
The turnaround time for astm e1815 test methodology depends upon the test procedure mentioned in the standard test document. However, we at MaTestLab understand your research requirements and hence try to get your test completed within the least possible time.
Where can I get the astm e1815 tested?
You can share your astm e1815 testing requirements with MaTestLab. MaTestLab has a vast network of material testing laboratories, spread across the USA and Canada. We support your all material testing needs ranging from specific astm e1815 test to various testing techniques.
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