Heat Treatment
Nearly 40 years of accumulated experience in heat treatment process
Heat Treatment
Low-pressure vacuum carburizing is the process of strong carburizing + diffusion process under low-pressure vacuum, in order to achieve the required depth of the carburizing layer of the part, the control method is "saturation value adjustment method". That is, in the strong carburizing period to saturate the austenite solid solution carbon, in the diffusion period of the solid solution of carbon to the internal diffusion to the target requirements of the value, by adjusting the carburizing, diffusion time ratio, to achieve the purpose of controlling the surface carbon concentration and carburizing layer depth.
Available for the implementation of vacuum ion nitriding steel alloy structural steel, stainless acid-resistant steel, heat-resistant steel, alloy tool steel, high-speed tool steel, ductile iron, commonly used steel grades: 38CrMoAl, 18Cr2Ni4W, 40Cr, 42CrMo, 35CrMo, 45#, 20Cr, 40CrNiMo, etc..
True air quenching treatment technology is efficient, energy-saving, pollution-free, and clean heat treatment technology. The treated workpiece has no oxidation, no decarburization, and degassing, degreasing effect, good surface quality, less deformation, excellent comprehensive mechanical properties, good process repeatability, and stable part life.
Vacuum oil quenching process can be applied to a variety of steel quenching, such as 9Mn2V, CrWMn, WCrV, GCr15, 65Mn, 9CrWMn, 40CrMnMo, 40CrNiMo, 9CrWMn, etc.
Our company has several sets of high frequency, super audio, medium frequency, industrial frequency and other frequency heating power supply, more than 10,000 sets of self-developed and produced inductors, as well as fully automatic CNC quenching machine tools. We can realize single tooth quenching and multi-tooth quenching of gears along the tooth groove; automatic segment quenching and "R" part quenching of step shafts; surface quenching of 3800mm long shafts and Φ12000mm disk-shaped parts; surface quenching of shaped parts, complex parts and complex processes such as plane, bevel and curve grooves.
Our company adopts imported microcomputer carbon control system to control carburizing automatically in the whole process, and it is accompanied by carbon fixing piece and process specimen to make the carburizing quality stable and reliable.
Quenching and annealing of extra large workpieces
More than 350 kinds of heat treatment processes such as conventional tempering, overall quenching, normalizing, annealing, water toughness, solution and aging can be realized.
Tel：+86-371-64753955
Email：feihong@zzfeihong.com
Address: Henan Zhengzhou - Xingyang Wulong Industry
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