what is the different between ferrite percentage and ferrite number?

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What is duplex and super duplex steel?

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What is the melting point of e70 steel, 304,308,316 stainless steels?

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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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How do 304 stainless steel and 316 stainless steel weld to each other? I am hoping my medical device prospect will be able to weld a component made in 316 ss via metal injection molding toa 304 ss tube.

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What is the material of E185

0 Answers   DE,

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What is recrystallization?

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what is the hardness of ohns before heat treatment process and hardness of en series before heat treatment process

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Define what medal conducts heat best?

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What happens to the microstructure during service exposure?

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The processes used to fabricate the superalloys seem fairly mature. Is much process development going on?

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How is solution annealing carried out? What type of furnace is required?

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