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PRC NATIONAL STANDARD OF THE CAST GRINDING BALLS (2)
/in Grinding media balls /by Sara WuThis standard specifies the product classification, technical requirements, test methods, inspection rules, packaging, marking and transportation of chromium alloy cast iron grinding balls and nodular cast iron grinding balls
PRC NATIONAL STANDARD OF THE CAST GRINDING BALLS (1)
/in Grinding media balls /by Sara WuThis standard is modified with the USA ASTM A532/A532M-93a (2003) ‘Standard specification for wear-resistant cast iron’ and EU standard EN12513:2000N ‘CAST WEAR-RESISTANT CAST IRON’ and other foreign advanced standards of the relevant provisions.
What is the quenching?
/in Heat Treatment Process /by Sara WuBrief Introduction of Casting
/in Castings /by Sara WuCasting is the process of melting the metal into a required liquid and pouring it into the mold. After cooling, solidifying and cleaning, a casting (part or blank) with a predetermined shape, size and properties can be obtained It is the basic technology of modern machinery manufacturing industry. The cost of casting blank is low, […]
Understand normalizing, annealing, quenching and tempering (3)
/in Heat Treatment Process /by Sara WuQuenching, a heat treatment process for metals and glass. Alloy products or glass heated to a certain temperature, and then in water, oil or air rapid cooling, generally used to improve the hardness and strength of the alloy. Commonly known as “dip fire. “. Heat treatment of metal cooled in air or water or oil […]