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What is the minimum temperature for stress relieving of astm a 519 gr.4130 material and please tell us where we can find the location.
875What is the melting point of e70 steel, 304,308,316 stainless steels? In addition, what is the hottest part of the flame in a fire?
893Why is chromium molybdenum steels used to build pressure vessels? What is special about the properties of chromium molybdenum steels that make them ideal forpressure vessels?
904How much gold concentration should be in the organic phase (dbc) before reduction by oxalic acid solution? Is it effective on purity of gold in reduction step? Whatis the ratio of dbc to oxalic acid solution in this step?
1027How would a salt and water solution clean a penny but a vinegar and salt solution will not clean a penny?
922What is the metallurgical explanation of effects of chromium, nickel, molybdenum, and carbon in stainless steels?
975
Do you know define what metal might be considered the “most environmental”? I say aluminum because it can be recycled others on my team say brass.
How can you find out define what kind of stainless steel was used in making a stainless object?
What is the specific heat value for solid ?
What is heat treatment?
Define what is the chemical composition of ceramic and define what is its atomic density?
What happens to the microstructure during service exposure?
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.
What is the chemical composition of ceramics?
What is a cryogenic fluid?
How can you separate gold from mercury?
What is calibration of an instrument?
What are carbides?
The moment of inertia of an area is always least with respect to ?
Why we are doing post heating in alloy steel welding?
What is the use od d2?
