Stainless steel 316L(S31603) has always been the main material for manufacturing biopharmaceutical production equipment, and it is likely to remain dominant in the industry. However, changes in regulations and performance requirements over the past 15 years have led to increased use of nickel-containing alloys with better corrosion resistance in process equipment.
Medical stainless steel is designed to ensure that surface discontinuities resulting from the removal of inclusions throughout the surface do not release contaminants. Therefore, most of the equipment used in biopharmaceuticals requires high quality, non-concave surface is very important. The corrosion resistance and cleanliness of the S31603 high-performance alloy is often improved by electrolytic polishing and passivation. The main purpose of electrolytic polishing is to remove scratches, overlaps and scratches, and some places may be embedded with abrasive polishes. Electrolytic polishing removes these defects, making the surface even and clean under the microscope. Electrolytic polishing can make cleaning and sterilization easier and better, so as to reduce the cleaning cost and maintain the lowest maintenance cost.
An important part of medical stainless steel. When sterile materials and stainless steel are mentioned in the same sentence, many people immediately think of the hospital environment. Although stainless steel itself cannot be naturally sterilized, it has many medical uses as a sterile material. That's because it can be treated repeatedly with strong disinfectant chemicals without compromising quality. This is especially important in hospitals and medical facilities, where harmful microorganisms from outside are easily spread. The sterility of two medical applications, implants and tools, is particularly important. Orthopedic implants, such as knee and hip and other joint replacements, as well as associated screw plates and wires are usually made of stainless steel. Other metals used include cobalt-based alloys (often containing nickel) and titanium-based alloys. Stainless steel implants are usually rubbed against hard polyethylene plastic during joint movement. Other designs use ceramic implants and the number of joint replacements is growing rapidly worldwide.
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