Vacuum gas quenching quenching quenching have two and fluid. Gas quenching the workpiece is filled with high purity coming neutral gas (such as nitrogen) for cooling the cooling after the vacuum heating chamber. Applicable to gas quenching martensite has a lower critical cooling rate of the material of high-speed steel and high carbon chromium steel. Quenching the workpiece after the liquid is heated in the heating chamber, the cooling chamber to move into the high purity nitrogen gas and immediately filled into the quench tank, rapid cooling. If you need a high surface quality, tempering and vacuum hardening and precipitation hardening artifacts after solution heat treatment should be carried out in a vacuum furnace.

Su's heat treatment Co. Ltd. was founded in 1990, after decades of development, scale is continually expanding, is located in Shajing Town Baoan District Shenzhen City Bridge second industrial zone, covering an area of 3000 square meters, the main business is to take all the metal, alloy steel, beryllium copper, heat treatment of high speed steel, cryogenic treatment (-196 C), nitrogen gas, liquid nitrogen, QPQ salt bath production line, high-frequency quenching, blackening and carburizing, the surface of hard and stainless steel processing.
The company is equipped with power of heat treatment technology, established a perfect quality testing equipment, equipped with vacuum quenching furnace, vacuum furnace, pit furnace, furnace, liquid nitrogen atmosphere furnace, rotary furnace, large mesh belt furnace, improve metallographic inspection equipment, material failure analysis, scientific management and complete, rigorous technology, skilled operation.
Company will be excellent quality and perfect service, and actively challenge, satisfy customer demand, has passed ISO9001:2000 in 2003 September (SGS) international quality certification. Has now become a reputable manufacturers.