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English Translations » 【静设备】 » Chemical composition of S30408 heat exchange tubes

Chemical composition of S30408 heat exchange tubes

2018-11-07View Original

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Is the Cr content of 17.65% in S30408 heat exchange tubes in line with the standards? What are the relevant standard specifications?
Reply #22018-11-07
Check the warranty certificate for the heat exchange tubes to see what manufacturing standards they were produced under. If it is GB/T14976-2012, then this value is considered unacceptable. The standard specifies 18.00–20.00 (percentage)

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Translated at 2026-07-21 03:01:09

Original: https://bbs.hcbbs.com/thread-2133440-1-1.html

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