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Key Processes to Make Stainless Steel Better Quality
Apr 03 , 2020
Key Processes to Make Stainless Steel Better Quality

[Gas shielded process]
Under the protection from the gas, nickel and chrome on the surface of stainless steel will not be damaged during welding, and temper color will be removed. It retains stainless steel s original characteristics and corrosion resistance.

[Solid solution process]
Solid solution treatment is one of the key measures to prevent corrosion of stainless steel.
In term of a pressure processing work piece, it can eliminate the work hardening and internal stress caused by distortion, thus to prevent possibility of stress corrosion.
For a welding work piece, it can transform the cylindrical crystal to equiaxed crystal. Dissolve carbide in austenite at grain boundary of weld heat-affected zone, so as to prevent the possibility of intergranular corrosion and stress corrosion.
In term of casting, it can avoid producing lots of high-temperature ferrite, thus to prevents adverse effects on performance of austenitic stainless steel.

[Passivation Process]
Passivation on pipe and fittings intine and exine is also one of the key measures to prevent corrosion of stainless steel.

Passivation can produce a thin, dense and hard passive film on the stainless steel. The existence of passive film is the primary cause to prevent corrosion of stainless steel.


HOPEWELL Building Material Co., Ltd is a professional enterprise specialized in designing, producing, selling, and construction of stainless steel press-fittings and pipe. For more stainless steel building materials products, please contact us!


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