Heat Treatment

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Spheroidizing annealing transforms the lamellar carbide structure in steel into a spheroidal (globular) form through controlled heating and slow cooling. This reduces hardness, improves...

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Carburizing

Carburizing is a thermochemical process that diffuses carbon atoms into the surface layer of low-carbon steels, increasing surface carbon content to approximately 0.8%. After quenching, this...

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Induction Hardening

Induction hardening uses electromagnetic induction to heat specific surface areas of a part — with heating times measured in seconds — followed by immediate water or polymer quenching. The rapid...

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Tempering

Tempering is a mandatory post-quenching heat treatment. Fresh martensite is hard but brittle, with high residual stress. Without tempering, a quenched part is prone to cracking or fracture in...

Ningbo Fenghua Bolong Machinery Manufacturing Co., Ltd. is one of the most professional heat treatment manufacturers and suppliers in China, also supports high quality customized service. With abundant experience, we warmly welcome you to buy durable heat treatment made in China here from our factory.

Induction Heat Treatment, Industrial Tempering, Tempering After Hardening