I currently use 17-7 PH stainless which is hardened to condition CH after forming. raw matl is .1.75"X .12" X .008". Its main usage after hardening is silicon wafer retainer where it's contantly cycled up and down to putin and remove wafer after 40-60 sec process at 400C temp. At this high temperature this part seemed to deform after a a couple of hundred wafer which is what it was designed for in the first place. THere is a proposal to go to a different material to increase lifeline of this part. My question is..... can 321 SST be a plugin replacement. I know this has a higher temp rating but how about its forming characteristics, will it have spring properties, and wont become brittle after prolonged exposure to 400C.

0 Answers   Novellus,

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Will aluminum alloy like 380 or 356 settle? Meaning while in “liquid form” above melting point will the heavier elements like copper, fe, silicon, zinc etc. Settle to the bottom of the liquid/molten aluminum after a period.

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acetylene is stored in ?

0 Answers   NIC,

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Define what are metallurgical microscopes?

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What is the Equivalent for 9.81 kgf= ?

0 Answers   NIC,

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How we describe strain aging based on dislocation theory?

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How does iron and steel exhibit allotropy?

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What metal cord transfers electricity, and how can I tell?

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Define what is proeutectoid ferrite and cementite?

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Define surge tank.

0 Answers   Essar,

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What are allotropes? What are the allotropes of iron and carbon?

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What is the function of washer?

0 Answers   NIC,

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