Reduce Imperfections and Improve the Appearance of Stainless Steel

March 21 2014 Process Analytical

Surface imperfection
By Dr. Min Yuan

Various surface imperfections present in stainless steel can ruin the appearance of the product you worked so hard to create.  Unfortunately, most of the damage done to the appearance of your product is self inflicted! (read the complete paper)

Most common stainless steel surface defects that are difficult to remove are produced during fabrication.  These include:

  • Embedded iron particles
  • Sulfide inclusions
  • Heat tint
  • Arc strikes
  • Grind marks
  • Weld spatter
  • Scratches
  • Organic contamination
  • Electropolish frosting

Solutions to improve stainless steel surfaces range from:

  • Acid treatment
  • Inert gas shielding
  • Employing prudent cleaning methods
  • High temperature oxidation
  • Polishing
  • Establishing strict electropolish specifications


SilcoTek® processes hundreds of customer parts daily.  We strive to coat each part consistently and to the highest level of perfection.  However, various imperfections present in stainless steel substrates may contribute to appearance issues on a small percentage of parts.  When this happens, SilcoTek® will reach out and collaborate with our customers to find a solution.  It is our goal to provide the best quality coating and service to every customer every time, with zero disappointments.

Read the complete paper.