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A thermowell is a cylindrical fitting used to protect temperature sensors installed when measuring liquid as in the production of steel, power plant fluidized beds, in garbage incinerators, etc. the thermowell protects the thermometer when measuring the temperature as well as protects the liquid from contamination. The thermowell acts as a barrier between the device measuring temperature and the liquid as well as the liquid from the outside air.

Stellite 6 vs stellite 12. As a kind of high temperature alloy, stellite series has many brands, there are many brands such as stellite 1, stellite 3, stellite 4, stellite 6 and stellite 12 and so on. Stellite 6 and stellite 12 are the most common grades.

Stellite alloy is a kind of metal material alloy, mainly composed of cobalt, chromium and tungsten elements. It has high hardness and good wear resistance. Even when the temperature reaches a red hot state, its performance is hardly affected.

Cobalt-based alloys usually are described as wear-resistant, corrosion-resistant and heat-resistant alloys. Many of the alloy's properties arise from the crystallographic properties of cobalt (especially its response to stress), the solid solution strengthening effects of chromium, tungsten and molybdenum, the formation of metal carbides, and the corrosion resistance imparted by cobalt to chromium. Typically, softer and harder compositions are used for high-temperature applications, such as gas turbine blades and strips. Harder grades are used to resist wear.

alloy L605, also called Haynes 25, UNS R30605, has given good service in many jet engine parts and gas turbine engine components.

Stellite is supper alloys resistant to various types of wear and corrosion as well as high temperature oxidation.

ERCoCr welding rod bonds well with stainless and other weldable alloy steels. Certification to AWS specification – A5.21 ERCoCr-A for bare rod; A5.13 ECoCr-A for the coated electrode.