Precautions for custody and storage of stainless steel plates

Safekeeping

① When storing, attention should be paid to moisture, dust, oil, lubricating oil, etc. to avoid surface rust or poor welding that may reduce corrosion resistance.

② When water is immersed between the film and the steel plate base, the corrosion rate is faster than that without the film.

③ When stored in the warehouse, it should be placed in a clean, dry and ventilated place, and the original packaging state should be maintained. The stainless steel with the film should be protected from direct light. The film should be inspected periodically. If the film deteriorates (the film has a lifespan of 6 months), it should be replaced immediately. If the packaging material gets wet when adding padding paper, the padding should be removed immediately to prevent surface corrosion.

Transportation

In order to avoid surface scratches during transportation, rubber or sleepers should be used, and special stainless steel protection materials should be used as much as possible. To avoid surface contamination caused by fingerprints, gloves should be worn during operation.

Heat-resistant steel is often used to manufacture boilers, steam turbines, industrial furnaces, and parts that work at high temperatures in industrial sectors such as aviation and petrochemicals.

309S stainless steel plate: (0Cr23Ni13)

Characteristics: It can withstand repeated heating below 980°C and has high high-temperature strength, oxidation resistance, and carburization resistance. Usage: Furnace materials.

310S stainless steel plate: (0Cr25Ni20)

Features: Suitable for making various furnace components, maximum temperature 1200 ℃, continuous use temperature 1150 ℃.

Usage: Furnace materials, automotive purification device materials.

253MA: Features: Avesta Sheffield AB’s 253MA is a heat-resistant austenitic stainless steel for applications requiring high creep strength and good corrosion resistance. design. Its operating temperature range is 850~1100 ℃.

Purpose: In addition to the alloying elements chromium and nickel, this grade of stainless steel also contains a small amount of rare earth metals (Rare Earth Metals, REM), which significantly improves its oxidation resistance. Nitrogen is added to improve creep properties and make the steel fully austenitic. Despite its relatively low chromium and nickel content, this stainless steel has in many cases the same high-temperature properties as highly alloyed alloy steels and nickel-based alloys.