ASTM D440
Standard Test Method of Drop Shatter Test for Coal
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About This Item
ASTM D440 is the ASTM standard titled Standard Test Method of Drop Shatter Test for Coal, and it provides a structured way to evaluate how coal behaves when subjected to impact from a drop and shatter condition. This matters because handling, loading, and transfer can affect coal integrity before use or shipment. By offering a common test approach, the standard supports more consistent quality assessment, technical comparison, and purchasing decisions across coal-related operations.
What is ASTM D440?
ASTM D440 is a test method focused on assessing the drop shatter characteristics of coal. As the title indicates, it addresses the response of coal to a controlled falling or breaking action, which can help indicate how the material may withstand rough handling. The standard is used as a technical reference for applying a repeatable method rather than relying on informal observation. In practice, ASTM D440 helps create a more uniform basis for testing and reporting coal performance.
Where is ASTM D440 used?
This standard is commonly used in coal handling, inspection, and quality control activities where material condition after impact is important. It may be relevant in laboratories, preparation facilities, and operational settings that evaluate coal during storage, transfer, or shipment. ASTM D440 is also useful when buyers and suppliers need a shared test method for comparing coal samples under similar conditions. Its value lies in providing a consistent reference for practical material assessment.
Why is ASTM D440 important?
ASTM D440 helps reduce uncertainty when coal is evaluated for breakage behavior under drop-related handling. A recognized test method supports more consistent results, which can improve product evaluation, specification review, and procurement discussions. It also helps organizations compare coal samples using the same technical approach, reducing disputes caused by informal testing methods. For quality control and compliance workflows, ASTM D440 offers a practical framework for documenting performance in a repeatable way.
- Coal drop shatter evaluation
- Repeatable impact testing method
- Quality control and inspection support
- Consistent sample comparison
- Handling and shipment assessment
- Publication Date: 2019-12-09
- Publisher: ASTM
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