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English Translations » 【管道阀门技术圈】 » Low hardness after 20Cr13 surfacing with STL

Low hardness after 20Cr13 surfacing with STL

2021-11-11View Original

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Does anyone know why the hardness of the products manufactured by our company after STL cladding with 20Cr13 is only around HRC24? Is there a problem with the heat treatment?
Reply #22021-11-19
We do not perform surfacing on 20Cr13; only 06Cr17Ni12Mo2 is surfaced with STL. The hardness of 20Cr13 without surfacing is between HRC 28 and 32

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Translated at 2026-07-23 18:33:14

Original: https://bbs.hcbbs.com/thread-3269171-1-1.html

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