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According to NACE MR0175/ISO 15156, is there a maximum sulfur content for carbon steel SMLS pipe?

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What is the acceptable sulfur content to meet NACE MR0175 and HIC resistance? Our team can help you comply with NACE MR0175

Question: According to NACE MR0175/ISO 15156, Part 2, Paragraph 8, HIC test is not mandatory for carbon steel SMLS pipe. But what about maximum sulfur content? Do we have to apply maximum sulfur content requirement to carbon steel regardless of HIC test?

Answer:

There are no requirements for the control of the chemistry of any elements to prevent HIC in NACE MR0175/ISO 15156. Some guidance concerning acceptable sulfur levels is given in Section 8 of NACE MR0175/ISO 15156 Part 2. For seamless products, testing can also be performed according to Table B.3 if deemed necessary.

This question relates to Part 2, paragraph 8

Reference: ISO 15156 Maintenance Panel Inquiry #2005-15

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Our team can help you specify the sulphur content on seamless pipe to comply with NACE MR0175 and HIC resistance requirements. Talk to our team today, we are here to help you.

 

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