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The application and development prospect of stainless steel will be more and more extensive, but the application and development of stainless steel largely determines the development degree of its surface treatment technology.
8 common problems in stainless steel surface treatment and product processing
There are 8 common problems in the surface treatment of stainless steel and product processing
1. Welding seam defects: Welding seam defects are more serious, which are compensated by manual mechanical grinding treatment methods. The resulting grinding marks cause uneven surface and affect the appearance.
2. Inconsistent surface: only pickling and passivation of the weld seam will also cause uneven surface and affect the appearance.
3. Scratches are difficult to remove: the overall pickling and passivation can not remove all kinds of scratches generated during processing, and can not remove carbon steel, splashes and other impurities that adhere to the surface of stainless steel due to scratches and welding splash , Causing chemical or electrochemical corrosion and rust in the presence of corrosive media. Seamless steel pipe price, Tianjin seamless steel pipe, oil casing, 12cr1mov, seamless steel pipe price, precision seamless steel pipe, 16mn seamless steel pipe, 15crmo alloy pipe, q345b seamless pipe, q345b seamless steel pipe, Tianjin 27simn steel pipe, pipeline Pipe, 35crmo steel pipe, 12cr1mov alloy pipe, high pressure alloy pipe, Chongqing seamless steel pipe, bearing steel pipe, alloy pipe, Shandong steel pipe, precision seamless steel pipe, Tianjin seamless pipe, 15crmo steel pipe, Tianjin square pipe price, oil casing, high pressure Alloy tube
4. Uneven grinding and polishing passivation: After manual grinding and polishing, pickling and passivation treatment is performed. It is difficult to achieve a uniform and uniform treatment effect for large-area workpieces, and an ideal uniform surface cannot be obtained. And the cost of working hours and the cost of auxiliary materials are also higher.
5. The pickling ability is limited: the pickling passivation paste is not omnipotent. It is difficult to remove due to plasma cutting and flame cutting and black oxide scale.
6. The scratches caused by the factors are more serious: During the lifting, transportation and structural processing, the scratches caused by human factors such as bumps, dragging, and hammering are more serious, which makes the surface treatment more difficult, and it also causes corrosion after treatment. The main reason.
7. Equipment factor: During the bending and bending of profiles and plates, the scratches and creases caused are also the main causes of corrosion after treatment.
8. Other factors: During the procurement and storage of stainless steel raw materials, bumps and scratches due to lifting and transportation are also serious, which is also one of the causes of rust.
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