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What Are M40 and M10 in Metallurgical Coke?
M40 and M10 in Metallurgical Coke Explained
M40 and M10 are mechanical indicators commonly used when evaluating metallurgical coke quality.
While chemical parameters such as fixed carbon, ash and sulfur describe the composition of coke, M40 and M10 provide additional information about physical degradation.
M40 is generally associated with coke's resistance to mechanical degradation, while M10 provides information related to abrasion and the production of smaller particles.
This is important because coke experiences mechanical stress throughout transportation, handling, charging and furnace operation.
Excessive coke degradation can increase fines and may affect the permeability of the burden.
For this reason, M40 and M10 are normally considered together with CSR and CRI rather than being treated as independent purchasing criteria.
When comparing suppliers, buyers should review the complete technical specification and make sure that testing methods and standards are clearly identified.
Keywords: M40 metallurgical coke, M10 metallurgical coke, coke mechanical strength, blast furnace coke quality, metallurgical coke specification.
A professional coke supplier should therefore provide a complete technical specification rather than highlighting a single parameter.
Hebei Coke Technology Development Co., Ltd. provides customized metallurgical coke according to customer requirements for chemical composition, physical properties and particle size.
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