CR4 Grade Steel Corrosion test coupons in accordance with ISO 9227 & VDA 233-102. Ascott CR4 Steel Test panels are used to check the reproducibility and repeatability of the test results for Salt Spray or Cyclic Corrosion Test Chambers, before being used to run ISO 9227 or VDA 233-102. It is necessary to verify the apparatus at regular intervals. During permanent operation, a reasonable time period between two checks of the corrosivity of the apparatus is generally considered to be three months.
ISO 9227 Test Panels
CR4 Grade Steel Corrosion test coupons in accordance with ISO 9227 & VDA 233-102.
ISO 9227 Test Panels - Ref: ACC131