-
What are the effects of magnetism on the performance of stainless steel strip after cold processing
1. Mechanical properties Beneficial: Martensite is a hard phase, which, when combined with cold work hardening, increases tensile strength, hardness, yield strength, and elasticity. This is also the principle of 301 steel strip using large deformation to make spring plates and clamps.
2026-11-03 -
What are the temperature and humidity requirements for storing stainless steel coils, and how to pre
The overall goal of stainless steel coil storage control is to stabilize the storage environment, isolate corrosive media, and avoid condensation on the surface of the plate. By relying on environmental control, isolation protection, standardized stacking, and regular inspections, the risk of floating rust caused by chloride ions and water vapor adhesion is reduced, ensuring the surface quality of
2026-10-26 -
What is the effect of annealing treatment on the hardness, elongation, and internal stress of stainl
Annealing of stainless steel coils is a heat treatment process that generally changes the internal metallographic structure of the material through controlled heating, insulation, and slow cooling, in order to adjust mechanical properties and release residual internal stresses generated during the rolling process. There are corresponding differences in the effects of different annealing process se
2026-10-19 -
How to avoid corrosion and green spots caused by condensation salt spray during storage and shipping
The green spots generated during the storage and shipping of stainless steel coils are essentially chloride ions brought in by salt spray during shipping, forming a condensed water film between the layers and end faces of the steel coils, damaging the passive film of stainless steel, causing crevice corrosion and pitting corrosion, and generating chlorine containing corrosion products; Once water
2026-10-13 -
What is the usual method for controlling the shape of stainless steel strip
Stainless steel materials have high deformation resistance and obvious work hardening. Thin gauge strips are prone to defects such as medium waves, edge waves, quarter waves, and single-sided waves. Generally, roller system mechanical adjustment, segmented cooling, tension control, roller profile pre configuration, online plate shape closed-loop detection, and subsequent leveling and straightening
2026-10-08 -
What are the passivation treatment methods for stainless steel strips
1. Nitric acid immersion passivation (traditional chemical passivation) Soak the stainless steel strip in nitric acid bath to remove surface free iron impurities and promote chromium oxidation to form a dense passivation film. Can be divided into multiple concentration levels, suitable for austenitic stainless steels such as 304 and 316; The disadvantage is the generation of nitrogen oxide
2026-09-28 -
How is the corrosion resistance of stainless steel coils under chloride ion working conditions
Stainless steel relies on the passivation film of chromium on the surface to prevent corrosion; Chloride ions can penetrate the passivation film, preventing widespread uniform rusting and making it more prone to pitting and crevice corrosion. Under high temperature and tensile stress conditions, austenitic steel may also experience stress corrosion cracking.
2026-09-21 -
Selection of surface coating for stainless steel strip and its impact on subsequent processing steps
Stainless steel strip protective film (mainly PE protective film) is used to protect the surface of the board during storage, cutting, bending, and stamping processes, preventing scratches, indentations, and dust pollution. The selection of the film coating needs to match the surface type, processing technology, service environment, and peeling time of the stainless steel, referring to GB/T 20878
2026-09-14 -
What is the function of the stainless steel coil leveling (finishing) process
Flattening, also known as smoothing, is a small reduction rate rolling process after cold rolling and annealing. The reduction rate is usually only 0.5-3%, without changing the material thickness specifications. It relies on the rolling mill to lightly press the surface of the steel strip, and its main functions are as follows:
2026-09-08 -
How to solve the problem of large stamping rebound of stainless steel strip
1、 At the material level (source priority) 1. Reasonably reduce the hardness of materials For the same grade, the lower the hardness, the higher the elongation, and the smaller the rebound. Example: The original rebound of 301-3/4H was too large. If conditions permit, it can be changed to 301-1/2H, and the rebound will significantly decrease; The cost is a decrease in elasticity, an
2026-09-01
- 11-032026
What are the effects of magnetism on the performance of stainless steel strip after cold processing
1. Mechanical properties Beneficial: Martensite is a hard phase, which, when combined with cold work hardening, increases tensile strength, hardness, yield strength, and elasticity. This is also the principle of 301 steel strip using large deformation to make spring plates and clamps.
- 10-262026
What are the temperature and humidity requirements for storing stainless steel coils, and how to pre
The overall goal of stainless steel coil storage control is to stabilize the storage environment, isolate corrosive media, and avoid condensation on the surface of the plate. By relying on environmental control, isolation protection, standardized stacking, and regular inspections, the risk of floating rust caused by chloride ions and water vapor adhesion is reduced, ensuring the surface quality of
- 10-192026
What is the effect of annealing treatment on the hardness, elongation, and internal stress of stainl
Annealing of stainless steel coils is a heat treatment process that generally changes the internal metallographic structure of the material through controlled heating, insulation, and slow cooling, in order to adjust mechanical properties and release residual internal stresses generated during the rolling process. There are corresponding differences in the effects of different annealing process se
- 10-132026
How to avoid corrosion and green spots caused by condensation salt spray during storage and shipping
The green spots generated during the storage and shipping of stainless steel coils are essentially chloride ions brought in by salt spray during shipping, forming a condensed water film between the layers and end faces of the steel coils, damaging the passive film of stainless steel, causing crevice corrosion and pitting corrosion, and generating chlorine containing corrosion products; Once water
- 10-082026
What is the usual method for controlling the shape of stainless steel strip
Stainless steel materials have high deformation resistance and obvious work hardening. Thin gauge strips are prone to defects such as medium waves, edge waves, quarter waves, and single-sided waves. Generally, roller system mechanical adjustment, segmented cooling, tension control, roller profile pre configuration, online plate shape closed-loop detection, and subsequent leveling and straightening
Jiangsu Lichao New Material Technology Co., Ltd.
WeChat ID:jinjiayi0512
Add WeChat
Contact us
The phone