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Product Description

The purpose of the copper sulfate test is to determine the presence of free iron which is often transferred to the surface of a part during fabrication with steel components. The principle of the test is based on an oxidation-reduction reaction which causes the deposit or deposition of dissolved copper ions at the locations of free iron particles.This test is recommended for the detection of free iron on the surface of 200 and 300 series austenitic stainless steels, precipitation hardened stainless steels and 400 series ferritic stainless steels having a minimum of 16% chromium. This test is not recommended for 400 series martensitic stainless steels or 400 series ferritic stainless steels containing less than 16% chromium, as these steels will generally give a positive indication regardless of the presence or absence of anodic surface contaminants (a "false failure"). This test is also not recommended for laser marked areas.

The copper sulphate test is intended to verify the effectiveness of the passivation treatment of stainless steel. It can also be used to determine if there is a need for passivation.

the copper sulfate test meets the requirements of ASTM A967, ASTM A380, ASTM B912, ASTM F1089, AMS 2700

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Sku:
$139.25
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