ASTM D4749/D4749M
Standard Test Method for Performing the Sieve Analysis of Coal and Designating Coal Size
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About This Item
ASTM D4749/D4749M is the ASTM standard for performing the sieve analysis of coal and designating coal size. It provides a consistent way to evaluate particle size distribution and assign coal size classifications, which is important for product description, quality control, and commercial communication. By using a recognized test method, organizations can compare results more reliably and support consistent handling of coal across sampling, testing, and procurement workflows.
Overview of ASTM D4749/D4749M
The standard titled Standard Test Method for Performing the Sieve Analysis of Coal and Designating Coal Size focuses on how coal is separated by sieve analysis and how the resulting size fractions are identified. ASTM D4749/D4749M is used as a technical reference for determining coal size in a repeatable manner, helping users describe coal consistently in reports, specifications, and transactions. Its main value is in establishing a common testing approach for size classification.
Common use cases of ASTM D4749/D4749M
This standard is commonly used when coal size must be measured and communicated in a clear, standardized way. It is relevant in laboratory testing, incoming material evaluation, production control, and purchasing documents where coal size designation matters. ASTM D4749/D4749M may also support quality checks for coal handling and preparation workflows, especially when sieve analysis results are needed to confirm that material meets a stated size description.
Benefits of using ASTM D4749/D4749M
Using this standard helps improve consistency in coal size testing and reduces ambiguity in how results are reported. It supports more reliable comparisons between suppliers, lots, and test locations, which can be valuable for compliance and procurement decisions. ASTM D4749/D4749M also helps teams apply a recognized method for quality control, making it easier to evaluate coal against expected size designations and lowering the risk of misunderstandings.
- Sieve analysis for coal size evaluation
- Coal size designation and reporting
- Standardized testing for quality control
- Support for procurement and specification documents
- Consistent comparison of coal size results
- Publication Date: 2019-12-09
- Publisher: ASTM
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