Rusted Stainless Steel Pipe is Quality Problem

When brown rust spots appeared on the surface of 304 stainless steel pipes, the customers may doubt that stainless steel would never rust, it must have quality problem. In fact, this is one-sided misconception about stainless steel. Stainless steel also can get rusty under certain conditions. 

Stainless steel has the ability to resist atmospheric oxidation, also has the ability to resist corrosion in media containing acids, alkalis, and salts. But the resistance to corrosion is different with the chemical composition, working conditions and surrounding medium type and change. For example, 304 steel pipes has absolute good resistant corrosion in the dry cleansing air, but not in sea fog. Therefore, not any kind of stainless steel can resist corrosion and rust at any time. The are some condition that we shoule take care for it may cause damage to the protective film on the stainless steel surface and lead to corrosion. 

1. Cleaning and scrubbing stainless steel pipe frequently to remove attachments and eliminate external factors that cause modification.

2. 316 stainless steel pipes can be used in seaside areas for it can resist seawater corrosion.

3. The chemical composition of some stainless steel pipes on the market cannot meet the national standards, and cannot meet the requirements of 304 materials. Therefore, it will also cause rust, which requires users to carefully choose products from reputable manufacturers.