Breakthrough Technology

Cemented carbide materials

Cemented carbide is the most widely used tool material for high speed machining (HSM), which is produced by powder metallurgy process and consists of hard carbi


Vacuum heat treatment products abnormal color reasons

Vacuum furnace is the mainstream equipment in heat treatment industry at present. Its products are not only reliable in quality, but also environmentally friend


quench oil classification 

1. Ordinary quench oil (quenching of oil temperature at 60 C)The ordinary quenching oil is mainly applicable to hardened iron alloy, such as small size bearing


carburizing nitriding problems and solutions

The hardness or depth of the nitriding surface is not enough
(1) it may be that the chemical composition of the steel is not suitable for nitriding.
(2) it may


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