Stainless Steel Protection And Precautions

- Jun 08, 2018-



Surface treatment
(1)  Cleaning and polishing: If there is damage, it should be polished. In  particular, scratches and splashes caused by contact with carbon steel  parts, and damage caused by cutting slag must be thoroughly cleaned and  polished.
(2)  Mechanical polishing: To use a suitable polishing tool for polishing,  it is required that the treatment is uniform and avoids overswing and  re-scratching.
(3)  Degreasing and dust removal: Before the stainless steel parts are  pickled and passivated, it is necessary to remove oil, oxide scale, dust  and other impurities according to the process.
(4)  Water blasting: According to different processing requirements, choose  different micro glass beads, different process parameters, and avoid  overspray.
(5)  Acid pickling passivation: The pickling passivation of stainless steel  parts must be passivated in strict accordance with the process  requirements.
(6)  Washing and Drying: After pickling and passivation, it should be  carried out in accordance with the process of neutralization, rinsing,  and drying to completely remove residual acid.
(7)  Protection: After the surface treatment of stainless steel parts is  completed, protection shall be taken to prevent secondary pollution of  personnel touching and impurities such as oil, dust and the like.
(8)  Avoid rework: After the surface treatment of stainless steel parts is  completed, rework of the parts or products should be avoided. Including:  surface treatment of stainless steel/low-carbon steel products such as  chemical vessels, storage tanks, and pipeline boilers, such as  grinding/polishing, pickling/passivation, inspection/supervision, and  technical consultation. The main service targets are ships, petrochemicals and food equipment.