Stainless Steel Stove Bolts

Stainless steel stove bolts exhibit excellent corrosion resistance in environments with frequent contact with grease and acidic cleaners. The acetate salt spray test was conducted in accordance with the ISO 9227 standard. After 336 hours of testing, no corrosion points or rust spots appeared on the surface of the bolt thread. The corrosion weight loss rate was only 0.01 mg per square centimeter, while the weight loss rate of ordinary blackened carbon steel bolts reached 0.43 mg per square centimeter. At the same time, microhardness tests showed that the austenite grain size of the bolt reached level seven. After withstanding 180 rapid thermal shocks from room temperature to 250 degrees Celsius, no microcracks were produced in the thread root, proving its long-term reliability in sudden cooling and heating environments such as pizza ovens or commercial fryers.

Stainless steel furnace bolts also have outstanding value in terms of anti-seize properties and torque stability. By adding a small amount of molybdenum to improve the material, after five assembly and disassembly cycles of the bolt with a stainless steel nut, the thread surface adhesion area is only 2.3% of the total contact area, while the adhesion area of ​​unimproved ordinary stainless steel bolts is as high as 18.7%, effectively avoiding the dilemma of the bolt being unable to be disassembled during high-temperature maintenance. Dynamic torque test data shows that when the installation torque is set to 15 Nm, the peak torque fluctuation range of continuously tightening one hundred bolts is only plus or minus 0.9 Nm, and its torque coefficient variation coefficient is only 0.028, providing precise tightening parameters for pneumatic tools on the assembly line. In addition, after being soaked in a citric acid solution with a pH value of two for forty-eight hours, the bolt's yield strength still retained more than 98% of its original value, indicating that it is fully suitable for use in commercial steam cabinets and stew pot equipment that are often exposed to fruit acid soup.

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