ASTM A967 Test for Chemical Passivation Treatments for Stainless Steel Parts

EUROLAB, with its state-of-the-art accredited laboratories and expert team, provides precise and fast testing services within the scope of ASTM A967 testing. This standard covers several different types of chemical passivation processes for stainless steel parts.

It contains recommendations and precautions for descaling, cleaning and passivation of stainless steel parts. It includes various alternative tests along with acceptance criteria to confirm the effectiveness of such processes for stainless steel parts.

Various alternative chemical processes have been described for the passivation of stainless steel parts. It gives some non-mandatory information and provides some general guidelines on the selection of the passivation treatment suitable for certain stainless steel grades, but makes no recommendations regarding the suitability of any grade, process and acceptance criteria for any particular application or class of application.

The tests in this standard are intended to verify the effectiveness of passivation, particularly with regard to the removal of free iron and other exogenous substances.

These tests include the following applications:

• Practice A—Immersion Test,
• Application B — High Humidity Test,
• Practice C — Salt Spray Test,
• Application D — Copper Sulphate Test,
• Application E—Potassium Ferricyanide-Nitric Acid Test
• Practice F—Free Iron Test.

EUROLAB assists manufacturers with ASTM A967 test compliance. Our test experts, with their professional working mission and principles, provide you, our manufacturers and suppliers, the best service and controlled testing process in our laboratories. Thanks to these services, businesses receive more effective, high-performance and quality testing services and provide safe, fast and uninterrupted service to their customers.