Passivation Screening

Passivation Screen for Stainless Steel is preformed in accordance with ASTM-A-967. There is additoinal supporting specification like FED QQ P 35 of which most refference the ASTM governing specification or at least follow the same basics for screening.

  • Practice A - Water Immersion Test
  • Practice B- High Humidity Test
  • Practice C - Salt Spray Test
  • Practice D- Copper Sulfate Test
  • Practice E - Potassuim Ferricyandie-Nitric Acid Test
  • Practice F- Free Iron Test