Maximum service temperature and hardness of common materials for valve internals

2009-02-11View Original

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Maximum service temperature and hardness of common materials for valve internals
Material Upper limit: Celsius Service hardness
304, 316 316 HRC14
Inconel alloy 649 HRC35–37
Monel alloy 482 HRC27–35, HRC30–38, HRC35 (649°C)
Hastelloy B 371 HRC14
Hastelloy C 538 HRC23
Titanium alloy 316 HRC28–35 (at room temperature)
Stellite 6# 649 HRC38
Boron carbide 6# 649 HRC44
Stainless steel type 416 427 HRC37–42
Stainless steel type 440 427 HRC50–60
17-4PH 427 HRC40–45

Reply #22009-02-11

Could that person provide some data on the two heat-resistant steels, 0Cr25Ni20 and 1Cr20Ni14Si2? Thank you! Also, for the LZ hardness column, is the status that isn’t specified \"room temperature\" or some \"high temperature\"? This post was last edited by hehe2006 on 2009-2-11 11:19.]

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Maximum service temperature and hardness of common materials for valve internals

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