Detection of ferrite content in chromium-nickel austenitic stainless steel heads
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The latest 2024 version of standard 150 specifies that ferrite content testing must be conducted on chromium-nickel austenitic stainless steel end caps. Question: 1. Is testing required for dome-shaped end caps? 2. If testing is required, how should it be carried out?
1. The dome-shaped head also requires testing for ferrite content. 2. The ferrite content can be detected by magnetic methods or metallographic analysis methods. The specific testing procedures should be carried out in accordance with relevant standards and regulations to ensure the accuracy of the test results. .
The new version of the head standard already contains clear provisions.